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Quiz on COMPUTER FUNDAMENTALS, created by shuree on 14/04/2015.

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COMPUTER FUNDAMENTALS

Question 1 of 200

1

It is a device that converts computer digital signals to analog signals for transmission over copper telephone wires and then back to digital signals.

Select one of the following:

  • Fax machine

  • Telegram

  • Telephone

  • Modem

Explanation

Question 2 of 200

1

What is the most widely used 7 - bit alphanumeric code ?

Select one of the following:

  • ASCII

  • EBCDIC

  • Straight binary code

  • Gray code

Explanation

Question 3 of 200

1

What is the computer programming language in which groups of 1s and 0s are use to represent instructions and the only language a computer can understand ?

Select one of the following:

  • Machine Language

  • Application Software

  • High - Level Language

  • FORTRAN

Explanation

Question 4 of 200

1

An area of memory that holds the ASCII characters that are being displayed on a monitor is called

Select one of the following:

  • space

  • start bit

  • terminal

  • screen image

Explanation

Question 5 of 200

1

Processors with more than two registers for arithmetic and logical operations are classified as

Select one of the following:

  • specific register processors

  • general register processors

  • accumulator based

  • serial register processors

Explanation

Question 6 of 200

1

What input device translates motion of a ball rolled on a flat surface to the monitor screen ?

Select one of the following:

  • wand reader

  • pen

  • bar code reader

  • mouse

Explanation

Question 7 of 200

1

What is the system program that is used to translate directly an assembly language to machine language ?

Select one of the following:

  • assembler

  • compiler

  • interpreter

  • debugger

Explanation

Question 8 of 200

1

What is an operand address ?

Select one of the following:

  • The binary code that represents the operation performed by the CPU

  • The address of the data to be operated as the CPU executes the instruction called for the op code

  • A short abbreviation for the operation

  • All of the choices

Explanation

Question 9 of 200

1

What is the standard method for coding data on 80 - column , 12 - row card ?

Select one of the following:

  • Baudot Code

  • ASCII

  • Hollerith Code

  • EBCDIC

Explanation

Question 10 of 200

1

A software program designed to enter a computer system, usually network, through security " holes " and then replicate itself.

Select one of the following:

  • computer virus

  • worm

  • trojan horse

  • HTTP

Explanation

Question 11 of 200

1

What refers to the computer's use of hard disk storage to simulate RAM ?

Select one of the following:

  • volatile memory

  • ROM

  • data storage

  • virtual memory

Explanation

Question 12 of 200

1

What is a set of instructions that resides on a storage device, such as hard drive, and can be loaded into memory and executed ?

Select one of the following:

  • stored program

  • device program

  • operating program

  • memory - resident program

Explanation

Question 13 of 200

1

Which of he following devices is not serially interfaced to PC ?

Select one of the following:

  • mouse

  • printer

  • modem

  • all of these

Explanation

Question 14 of 200

1

It is a software that allows users to have fast and flexible access to information in large documents, constructing associations among data items needed.

Select one of the following:

  • voice mail

  • internet

  • e - mail

  • hypertext

Explanation

Question 15 of 200

1

Which memory holds the most recently read and frequently read data in memory, making subsequent retrieval of that data much faster than reading from a tape or disk drive or even from the main memory ?

Select one of the following:

  • cache memory

  • virtual memory

  • static memory

  • dynamic memory

Explanation

Question 16 of 200

1

A large application or program is divided into four modules of equal size called

Select one of the following:

  • pages

  • sectors

  • segments

  • stacks

Explanation

Question 17 of 200

1

What 5 - bit code that has long been used in Telex and teletypewriter communications ?

Select one of the following:

  • Baudot code

  • BCD

  • EBCDIC

  • ASCII

Explanation

Question 18 of 200

1

What is the term for a deadlock situation that occurs when a program references a different page for almost every instruction, and there is not even enough real memory to hold most of the virtual memory ?

Select one of the following:

  • paging

  • scanning

  • thrashing

  • handshaking

Explanation

Question 19 of 200

1

What is a single word memory location used to temporarily hold data during program execution ?

Select one of the following:

  • accumulator

  • register

  • buffer

  • stack

Explanation

Question 20 of 200

1

What refers ti the debugging method in which the program is executed one instruction at a time and the register contents can be examined after each step ?

Select one of the following:

  • text editing

  • syntax analyzing

  • trace

  • stacking

Explanation

Question 21 of 200

1

In a computer system, _____ is hardware where the control keys are located.

Select one of the following:

  • CPU

  • keyboard

  • I/O section

  • console

Explanation

Question 22 of 200

1

All are parts of the computer hardware organization except one

Select one of the following:

  • architecture

  • implementation

  • hardware realization

  • assembler

Explanation

Question 23 of 200

1

The data manipulated by a program is called ____ depending on its nature and extent

Select one of the following:

  • database

  • file

  • input

  • all of the these

Explanation

Question 24 of 200

1

Which one represents machine instructions by mnemonic names and allows memory addresses and other constants to be represented by symbols rather than bit strings

Select one of the following:

  • asssembler

  • interpreter

  • machine language

  • assembly language

Explanation

Question 25 of 200

1

Which of the following is an instruction that causes data to be brought from memory into an accumulator register ?

Select one of the following:

  • LOAD

  • LOOP

  • FETCH

  • JUMP

Explanation

Question 26 of 200

1

What term is used to describe storing of data into a memory ?

Select one of the following:

  • Writing

  • Loading

  • Reading

  • Memorizing

Explanation

Question 27 of 200

1

What register holds the data being written into or read out of the addressed memory location ?

Select one of the following:

  • Hold register

  • Memory address register

  • Memory data register

  • Access register

Explanation

Question 28 of 200

1

What does "CMOS" means ?

Select one of the following:

  • Complementary Main - Oxide Semiconductor

  • Complementary Metal Oxide Semiconductor

  • Complementary Main Oxidation Semiconductor

  • Computer Metal Oxide Semiconductor

Explanation

Question 29 of 200

1

A system software that translate a program written in a computer language by a computer programmer ( such as BASIC ) into language ( machine language ) that the computer understand.

Select one of the following:

  • Driver

  • Transfer Program

  • Language Translator

  • RAM

Explanation

Question 30 of 200

1

What do you call a translated program in machine language ?

Select one of the following:

  • a source program

  • an object program

  • a machine program

  • a user's program

Explanation

Question 31 of 200

1

A program designed to attach itself to a file, reproduce, and spread from one file to another, destroying data, displaying an irritating message, or otherwise disrupt computer operations.

Select one of the following:

  • computer virus

  • worm

  • trojan horse

  • all of the choices

Explanation

Question 32 of 200

1

Which one is the portion of an instruction cycle where the instructions is sent from memory to the instruction register ?

Select one of the following:

  • LOAD

  • ACCUMULATE

  • EXECUTE

  • FETCH

Explanation

Question 33 of 200

1

The decimal system is composed of how many numerals or symbols ?

Select one of the following:

  • 2

  • 8

  • 10

  • 16

Explanation

Question 34 of 200

1

A specific file that is used by the operating system to store the physical location of all the files on storage medium, such as a hard disk or floppy disk

Select one of the following:

  • field

  • field allocation table

  • file format

  • file information table

Explanation

Question 35 of 200

1

What is the part of a computer instruction that defines what type of operation the computer is to execute on specified data ?

Select one of the following:

  • machine language

  • mnemonic

  • assembly language

  • op code

Explanation

Question 36 of 200

1

A digital circuit is also known as

Select one of the following:

  • arithmetic circuit

  • logic circuit

  • electronic circuit

  • sequential circuit

Explanation

Question 37 of 200

1

What does TTL means ?

Select one of the following:

  • Transistor Transistor Logic

  • Transformer Tapped Logic

  • Transistorized Transmission Logic

  • Transmit Time Logic

Explanation

Question 38 of 200

1

Which computer port is commonly used in order to speed up the transfer of the computer data ?

Select one of the following:

  • parallel port

  • serial port

  • video port

  • modem port

Explanation

Question 39 of 200

1

Which device puts data on the data bus during write operation ?

Select one of the following:

  • ALU

  • CPU

  • Keyboard

  • Accumulator

Explanation

Question 40 of 200

1

What is an instruction mnemonic ?

Select one of the following:

  • A short abbreviation for the operation

  • A binary code that represents the operation to be performed by the CPU

  • A technical term sometimes added to an IC's description

  • A representation of a quantity that varies in discrete steps

Explanation

Question 41 of 200

1

What is the term used to describe the moving of software from another computer to your own computer ?

Select one of the following:

  • Surfing

  • Downloading

  • Uploading

  • Accessing

Explanation

Question 42 of 200

1

What abbreviation represents the op code of a computer instruction ?

Select one of the following:

  • ASCII

  • Mnemonics

  • Octets

  • Algorithm

Explanation

Question 43 of 200

1

Which of the following classes of mass memory devices use a laser beam to write and read onto a specified coated disk ?

Select one of the following:

  • RAM

  • ROM

  • Non - volatile memory

  • Optical disk memory

Explanation

Question 44 of 200

1

Which of the following is the busiest bus and that one that carries the actual data ?

Select one of the following:

  • address bus

  • data bus

  • control bus

  • microprocessor

Explanation

Question 45 of 200

1

HTTP:// is an identifier that appears at the beginning of most Web page. What does HTTP stands for ?

Select one of the following:

  • Hypertext Time Protocol

  • Hypertext Text Protocol

  • Hypertext Transmission Process

  • Hypertext Transfer Protocol

Explanation

Question 46 of 200

1

A megabite is exactly

Select one of the following:

  • 1,000,000 bytes

  • 999,999 bytes

  • 1,000,001 bytes

  • 1,048,576 bytes

Explanation

Question 47 of 200

1

The bus that communicates control and status information is the

Select one of the following:

  • address bus

  • data bas

  • control bus

  • microprocessor

Explanation

Question 48 of 200

1

What do you call a program stored in ROM that loads and initializes the operating system on a computer ?

Select one of the following:

  • Bootsector Program

  • CMOS program

  • BIOS program

  • Bootstrap program

Explanation

Question 49 of 200

1

What is the term for a computer or software that requests information from another computer or server ?

Select one of the following:

  • Host

  • Workstation

  • Client

  • All of the these

Explanation

Question 50 of 200

1

A software that translates a program written in a high - level language into a low level instructions before the program is executed

Select one of the following:

  • compiler

  • assembler

  • intergrator

  • interpreter

Explanation

Question 51 of 200

1

The term "bus" refers to

Select one of the following:

  • the physical path along which the signals travel

  • the logical path

  • both the physical path and the logical path

  • the microprocessor peripheral that executes data

Explanation

Question 52 of 200

1

What computer memory is used during the first cycles of the data processing activity ?

Select one of the following:

  • read only memory

  • cache memory

  • hard drive memory

  • program memory

Explanation

Question 53 of 200

1

A parity bit is also called _____ is an extra bit attached to the end of a byte for purposes of checking for accuracy

Select one of the following:

  • chip size

  • check bit

  • silicon byte

  • RAM capacity

Explanation

Question 54 of 200

1

Which of the following belongs to a class of codes called the minimum - change codes in which only one bit in the code group changes when going from one step to the next ?

Select one of the following:

  • morse code

  • BCD code

  • Excess 3 code

  • Gray code

Explanation

Question 55 of 200

1

What is the difference between high and low frequency spectrum ?

Select one of the following:

  • cut - off frequency

  • bandwidth

  • resonant frquency

  • center frequency

Explanation

Question 56 of 200

1

What does "DTML" means ?

Select one of the following:

  • Diode Transistor Macro Logic

  • Diode Transistor Minimum Logic

  • Diode Transistor Maximum Logic

  • Diode Transistor Micro Logic

Explanation

Question 57 of 200

1

A group of records are stored in a

Select one of the following:

  • file

  • database

  • drive

  • memory

Explanation

Question 58 of 200

1

Which of the following takes the complete decimal number and represents it in binary

Select one of the following:

  • BCD

  • gray code

  • excess - 3 code

  • straight binary code

Explanation

Question 59 of 200

1

All are basic operation in Boolean Algebra except

Select one of the following:

  • Logical addition

  • Logical subtraction

  • Logical multiplication

  • Logical complementation

Explanation

Question 60 of 200

1

What is the most common type of digital IC package ?

Select one of the following:

  • DIP

  • Metal Type

  • CMOS

  • TTL

Explanation

Question 61 of 200

1

What refers to the time with which disk can find data being sought ?

Select one of the following:

  • access time

  • data rate time

  • transfer time

  • enter time

Explanation

Question 62 of 200

1

What type of database contains records in an organized, structured format ?

Select one of the following:

  • hierarchical database

  • relational database

  • ordered database

  • sequential database

Explanation

Question 63 of 200

1

In what slot does the CD drive will be connected to the mother board of the computer ?

Select one of the following:

  • PCI slot

  • IDE slot

  • ISA slot

  • AGP slot

Explanation

Question 64 of 200

1

A two way parallel path connecting processors and memory containing addresses

Select one of the following:

  • buffer

  • cache memory

  • control bus

  • address bus

Explanation

Question 65 of 200

1

What is the smallest changeable data unit ?

Select one of the following:

  • bit

  • byte

  • nibble

  • word

Explanation

Question 66 of 200

1

The command line in basic programming is always started by which of the following

Select one of the following:

  • integer

  • alphanumeric character

  • machine code

  • clear command

Explanation

Question 67 of 200

1

An instruction that alters the normal course of a program by causing it to jump to another instruction

Select one of the following:

  • ROTATE

  • SKIP

  • JUMP

  • LOOP

Explanation

Question 68 of 200

1

An instruction that causes the data in the accumulator to be moved to the memory or a peripheral register

Select one of the following:

  • FETCH

  • STORE

  • LOOP

  • LOAD

Explanation

Question 69 of 200

1

What refers to a specific register that always points to the address of the next instruction to be executed ?

Select one of the following:

  • instruction register

  • pushdown stack

  • program counter

  • control bus

Explanation

Question 70 of 200

1

What is the term for a light speed memory used to store a small amount of data temporarily so that the data can be retrieved quickly ?

Select one of the following:

  • cache memory

  • video memory

  • volatile memory

  • scratchpad memory

Explanation

Question 71 of 200

1

What program is executed on several different computers to compare their speed and performance ?

Select one of the following:

  • compiler

  • assembler

  • diagnostic program

  • benchmark

Explanation

Question 72 of 200

1

A computer or software on the network that supplies the network with data and storage

Select one of the following:

  • server

  • mainframe

  • host

  • workstation

Explanation

Question 73 of 200

1

Which of the following has a function of directing memory and I/O device transfers ?

Select one of the following:

  • address bus

  • data bus

  • control bus

  • device bus

Explanation

Question 74 of 200

1

What is the language used in making an internet webpage ?

Select one of the following:

  • Highertext Machine Language

  • Hypertext Mark - up Language

  • Hightech Mark - up Language

  • Hypertext Machine Language

Explanation

Question 75 of 200

1

What to you mean by the acronym "DCTL"?

Select one of the following:

  • Diode Capacitor Transistor Logic

  • Diode Coupled Transistor Logic

  • Direct Connected Transistor Logic

  • Direct Coupled Transistor Logic

Explanation

Question 76 of 200

1

What register holds the current instruction during its execution ?

Select one of the following:

  • instruction register

  • pushdown register

  • program register

  • execution register

Explanation

Question 77 of 200

1

A BCD code has how many bits per number

Select one of the following:

  • 2

  • 4

  • 8

  • 16

Explanation

Question 78 of 200

1

A non - impact printer that forms images with little dots and produces high quality images.

Select one of the following:

  • Card Printer

  • Dot Matrix Printer

  • Computer Printer

  • Ink jet Printer

Explanation

Question 79 of 200

1

A nibble is composed of how many bits ?

Select one of the following:

  • 2

  • 4

  • 6

  • 8

Explanation

Question 80 of 200

1

The term "firmware" is used to describe programs stored in which of the following memory hardware ?

Select one of the following:

  • ROMs and EPROMs

  • RAMs and ROMs

  • PROMs and EPROMs

  • PROMs and ROMs

Explanation

Question 81 of 200

1

Which one refers to an assembly of computer hardware and software that enable computers to share data, software and other resources with each other ?

Select one of the following:

  • Local Area Network

  • Wide Area Network

  • Metropolitan Area Network

  • Multi - Level Network

Explanation

Question 82 of 200

1

In digital codes, how do you identify codes running from 0 to 1 or run from 0 - 7 ?

Select one of the following:

  • Base 10

  • Octal

  • Binary

  • Gray

Explanation

Question 83 of 200

1

What is needed to translate a high - level program into a sequence of machine instructions that performs the desired task ?

Select one of the following:

  • assembler

  • interpreter

  • compiler

  • debugger

Explanation

Question 84 of 200

1

Text editors and formatters belong to which area of computing ?

Select one of the following:

  • compilers

  • accounting

  • assembling

  • word processing

Explanation

Question 85 of 200

1

A computer program that appears to perform one function while actually doing something else, such as inserting virus into a computer system. or stealing a password.

Select one of the following:

  • computer virus

  • worm

  • trojan horse

  • hypertext

Explanation

Question 86 of 200

1

Which one refers to a device that amplifies a signal and passes it on ?

Select one of the following:

  • repeater

  • amplifier

  • trap

  • modulator

Explanation

Question 87 of 200

1

What refers to the manner in which alphanumeric data and control characters are represented by sequence bits ?

Select one of the following:

  • controlling

  • processing

  • coding

  • transforming

Explanation

Question 88 of 200

1

What type of file has a record of web site activity ?

Select one of the following:

  • cookies

  • java file

  • http file

  • html file

Explanation

Question 89 of 200

1

What memory in a computer is used to hold the computer's start up routine ?

Select one of the following:

  • RAM

  • CMOS

  • ROM

  • SDRAM

Explanation

Question 90 of 200

1

What refers to the character s that can be displayed or printed, including numerals and symbols ?

Select one of the following:

  • control characters

  • alphanumeric data

  • binary characters

  • alphanumeric control

Explanation

Question 91 of 200

1

What term is used to describe retrieval of data from a memory ?

Select one of the following:

  • unloading

  • downloading

  • reading

  • accessing

Explanation

Question 92 of 200

1

What type of bus carries memory address from the computer to the memory ?

Select one of the following:

  • data bus

  • address bus

  • control bus

  • parallel bus

Explanation

Question 93 of 200

1

What type of bus carries lines that control the operation of the memory from the microprocessor to the memory ?

Select one of the following:

  • data bus

  • address bus

  • control bus

  • parallel bus

Explanation

Question 94 of 200

1

What register holds the address of the word currently being accessed ?

Select one of the following:

  • hold register

  • memory address register

  • memory data register

  • access register

Explanation

Question 95 of 200

1

A state of the art technology designed to provide supervisory control and data acquisition capability for industrial , commercial and utility power substation and systems

Select one of the following:

  • Monitor

  • COBOL

  • SCADA

  • IBM PC

Explanation

Question 96 of 200

1

What is a technique used to ensure that the bits within a memory byte are correct ?

Select one of the following:

  • handshaking

  • parity

  • swapping

  • processing

Explanation

Question 97 of 200

1

What is the term for a sequence of computer instructions that performs some functions ?

Select one of the following:

  • algorithm

  • machine language

  • program

  • assembly language

Explanation

Question 98 of 200

1

If the executable program is kept on disk or tape, it is normally referred to as

Select one of the following:

  • software

  • firmware

  • hardware

  • all of these

Explanation

Question 99 of 200

1

What do you call a network where people can retrieve information, communicate, entertain or do business from the comfort of a PC ?

Select one of the following:

  • internet

  • web site

  • facesmile

  • e - mail

Explanation

Question 100 of 200

1

What do you call a projector that will be used to project video signals from a computer ?

Select one of the following:

  • multimedia projector

  • electronic projector

  • overhead projector

  • laptop projector

Explanation

Question 101 of 200

1

A type of computer memory circuit that holds data, program instructions, and the operating system while the computer is on.

Select one of the following:

  • random access memory

  • read only memory

  • volatile memory

  • CMOS

Explanation

Question 102 of 200

1

What refers to one or more integrated circuits that contain permanent instructions that the computer uses during boot process ?

Select one of the following:

  • CMOS

  • ROM

  • RAM

  • Boot Sector

Explanation

Question 103 of 200

1

Which of the following is used to capture real moving objects and displays it into a computer ?

Select one of the following:

  • scanner

  • video player

  • electronic recorder

  • digital camera

Explanation

Question 104 of 200

1

Which of the following is related to a monitor ?

Select one of the following:

  • video display

  • screen

  • monochrome monitor

  • RGB monitor

Explanation

Question 105 of 200

1

Which port in a PC is the modem normally connected ?

Select one of the following:

  • serial port

  • parallel port

  • special port

  • any of these

Explanation

Question 106 of 200

1

What is a network with continuous loop communication ?

Select one of the following:

  • star network

  • ring network

  • cascaded network

  • local network

Explanation

Question 107 of 200

1

group or sectors on a storage medium that, when accessed as a group speed up a data access ?

Select one of the following:

  • track

  • media

  • cluster

  • cell

Explanation

Question 108 of 200

1

A computer that interacts with a television set

Select one of the following:

  • personal computer

  • net computer

  • personal digital asssitant

  • telecomputer

Explanation

Question 109 of 200

1

What is the smallest unit of information handled by a computer ?

Select one of the following:

  • bit

  • byte

  • cell

  • character

Explanation

Question 110 of 200

1

A collection of information that may be stored in more than one file

Select one of the following:

  • databank

  • database

  • dataware

  • data module

Explanation

Question 111 of 200

1

A tiny electrically operated switch that can alternate between on and off million times

Select one of the following:

  • diode

  • latch

  • pentode

  • transistor

Explanation

Question 112 of 200

1

A boot disk that contains operating system files plus antivirus software

Select one of the following:

  • boot disk

  • rescue disk

  • reserve disk

  • restore disk

Explanation

Question 113 of 200

1

viruses designed to corrupt antivirus software

Select one of the following:

  • anti - antivirus

  • antivirus eradicator

  • worm

  • retro virus

Explanation

Question 114 of 200

1

A computer that is smaller and more portable than a computer notebook. It is sometimes called palm - top computer

Select one of the following:

  • microcomputer

  • minicomputer

  • personal digital assistant ( PDA )

  • Micro PC

Explanation

Question 115 of 200

1

What do you call a communication network covering geographical area the size of a city or suburban ?

Select one of the following:

  • Local Area Network

  • Wide Area Network

  • Metropolitan Area Network

  • Multi - Level Network

Explanation

Question 116 of 200

1

What is large computer called ?

Select one of the following:

  • laptop computer

  • mega computer

  • main frame computer

  • desktop computer

Explanation

Question 117 of 200

1

This term refers to the preparation of disk for usage so that the operating system can be written on it.

Select one of the following:

  • Multitasking

  • Formatting

  • Setting

  • Debugging

Explanation

Question 118 of 200

1

What is a step by step drawing representation of a specific procedure or algorithm ?

Select one of the following:

  • flowchart

  • block diagram

  • assembler diagram

  • machine code

Explanation

Question 119 of 200

1

What is used to translate high level statement into machine language ?

Select one of the following:

  • macros

  • assembler

  • compiler or interpreter

  • loader

Explanation

Question 120 of 200

1

What code is widely used for mainframe computers ?

Select one of the following:

  • BCD

  • Baudot Code

  • Hollerith Code

  • EBCDIC

Explanation

Question 121 of 200

1

What is RS 232C ?

Select one of the following:

  • An interface standard

  • a type of computer memory

  • a type of computer hard disk

  • a computer cable connecting the hardwares

Explanation

Question 122 of 200

1

The term that refers to the physical equipment or components of an electronic data processing system ?

Select one of the following:

  • software

  • central processing unit

  • firmware

  • hardware

Explanation

Question 123 of 200

1

Which is not needed to be connected to the internet ?

Select one of the following:

  • modem

  • security code

  • telephone line

  • PC

Explanation

Question 124 of 200

1

When the computer software is easy to use, it is termed as

Select one of the following:

  • custom software

  • instant access software

  • user friendly software

  • shareware

Explanation

Question 125 of 200

1

What refers to a technique where each user of a computer takes turns, under the control of the operating system, using the entire computer main memory for a certain length of time ?

Select one of the following:

  • multitastking

  • time sharing

  • handshaking

  • batch processing

Explanation

Question 126 of 200

1

A multi - user system is similar to a multi tasking system except that all users are

Select one of the following:

  • using different programs

  • using different computers

  • using the same program

  • using mobile computers

Explanation

Question 127 of 200

1

A computer virus that infects the macros that are attached to documents and spreadsheets is called

Select one of the following:

  • micro virus

  • file virus

  • document virus

  • spread sheet virus

Explanation

Question 128 of 200

1

What do you call a computer that receives and stores e-mail data until retrieved by the email account holder ?

Select one of the following:

  • ISP

  • POP server

  • POST

  • MPEG

Explanation

Question 129 of 200

1

In computer work, an antivirus is

Select one of the following:

  • a software full of virus in order to minimize a software against a specific defect

  • a specific virus that protects a program from other unprecedented attacks by other virus

  • a software that scans a computer system to detect viruses or other harmful software

  • a vaccine injected by the operator into the hard disk of a computer to remove interference

Explanation

Question 130 of 200

1

What do you call a microscopic plate of silicon that contains thousands of micro miniature electronic circuit components ?

Select one of the following:

  • integrated transistor

  • memory

  • central processing unit

  • microchip

Explanation

Question 131 of 200

1

Available for purchase software is known as

Select one of the following:

  • application software

  • package software

  • system software

  • market software

Explanation

Question 132 of 200

1

What code is 7 - bit code that allows only 128 different combinations commonly used in microcomputers ?

Select one of the following:

  • EBCDIC

  • ASCII

  • Baudot Code

  • Hollerith Code

Explanation

Question 133 of 200

1

What do you call a person who gains illegal access to a computer system ?

Select one of the following:

  • electronic enthusiast

  • hacker

  • computer pirate

  • all of these

Explanation

Question 134 of 200

1

What do you call the process of retrieving a file from the internet and storing it in the PC ?

Select one of the following:

  • scanning

  • browsing

  • downloading

  • uploading

Explanation

Question 135 of 200

1

All data processing system involve the following operations regardless of the kind of data processed or the kind of device or equipment used. Which one of the following are these ?

Select one of the following:

  • analyzing, logic determination, and coding

  • input, processing and output

  • input, storage and processing

  • processing, storage and distribution

Explanation

Question 136 of 200

1

What refers to a computer - base system in which a telephone message is recorded in digital form and then forwarded to others ?

Select one of the following:

  • voice mail

  • answering machine

  • teleconference

  • audio conference

Explanation

Question 137 of 200

1

It refers to the rate at which data is sent over communication lines

Select one of the following:

  • propagation rate

  • uploading rate

  • baud rate

  • attenuation rate

Explanation

Question 138 of 200

1

What holds data and instructions for further manipulation in the ALU ?

Select one of the following:

  • register

  • accumulator

  • control bus

  • data bus

Explanation

Question 139 of 200

1

What is in a machine that implies that it is capable of absorbing and organizing new data, learning new concept, reasoning logically and responding to inquiries ?

Select one of the following:

  • self - processing intelligence

  • artificial intelligence

  • man - free intelligence

  • all of the choices

Explanation

Question 140 of 200

1

"AT" command is used in PC communications. What do you mean by "AT" ?

Select one of the following:

  • attention

  • attaction

  • attack

  • attempt

Explanation

Question 141 of 200

1

Which of the following refers to a sound piece of plastic that stores data and program as a magnetized spot ?

Select one of the following:

  • digital disk

  • hard disk

  • floppy disk

  • none of these

Explanation

Question 142 of 200

1

It is a very powerful small component of a computer.

Select one of the following:

  • diode

  • triode

  • chip

  • internet

Explanation

Question 143 of 200

1

What do you call a series of concentric or spiral storage areas created on a storage medium during the formatting process ?

Select one of the following:

  • traces

  • routes

  • domains

  • tracks

Explanation

Question 144 of 200

1

What do you call a device that provides the computer with electricity of there is power failure ?

Select one of the following:

  • Uninterruptible Power Supply

  • Automatic Transfer Switch

  • Power Supply Rectifier

  • Power Inverter

Explanation

Question 145 of 200

1

What type of data stores all information in the equivalent of a matrix ?

Select one of the following:

  • hierarchical database

  • relational database

  • ordered database

  • sequential database

Explanation

Question 146 of 200

1

What is the term for a computer professional who plans an entire computer system ?

Select one of the following:

  • programmer

  • software developer

  • system analyst

  • all of these

Explanation

Question 147 of 200

1

What type of computer accepts input in handwriting on screens ?

Select one of the following:

  • stylus computer

  • pen based computer

  • touch screen computer

  • all of these

Explanation

Question 148 of 200

1

A megabyte is a computer term which means

Select one of the following:

  • a thousand kilobytes

  • a million kilobytes

  • a group of characters that can fill a computer storage

  • a hundred thousand bytes

Explanation

Question 149 of 200

1

What is the storage capacity of 3 ½ floppy disk ?

Select one of the following:

  • 1.44 MB

  • 1.8 MB

  • 1.25 MB

  • 1.5 MB

Explanation

Question 150 of 200

1

What is used to gain access to internet ?

Select one of the following:

  • gopher

  • web page

  • password

  • browser

Explanation

Question 151 of 200

1

Which one is not a data communication equipment ?

Select one of the following:

  • modem

  • data auxiliary set

  • personal computer

  • none of these

Explanation

Question 152 of 200

1

Which of the following devices merges signals ?

Select one of the following:

  • oscillator

  • multiplexer

  • demodulator

  • demultiplexer

Explanation

Question 153 of 200

1

Which one is not required in video conferencing through a PC ?

Select one of the following:

  • microphone

  • digital camera

  • speakers

  • screen filter

Explanation

Question 154 of 200

1

What do you call a collection of fields ?

Select one of the following:

  • file

  • record

  • document

  • database

Explanation

Question 155 of 200

1

What device used in converting a computer digital signal to analog signals for transmission over telephone wires ?

Select one of the following:

  • modem

  • network hub

  • digital switch

  • demodulator

Explanation

Question 156 of 200

1

What Extended Binary Coded Decimal Interchange Code ( EBCDIC ) uses how many bits each character ?

Select one of the following:

  • 2

  • 4

  • 8

  • 16

Explanation

Question 157 of 200

1

In a network of computers, what do you call the computer wherein commonly used files are stored and accessed ?

Select one of the following:

  • network computer

  • host computer

  • file server

  • PC

Explanation

Question 158 of 200

1

The digital system usually operates on ____ system.

Select one of the following:

  • decimal

  • hexadecimal

  • binary

  • octal

Explanation

Question 159 of 200

1

Which one refers to a way of sending and receiving mails between two or more people through the global computer network ?

Select one of the following:

  • electronic mail

  • express mail

  • facesmile

  • internet

Explanation

Question 160 of 200

1

What do you call a communication network that covers a wide geographical area such as a state or a country ?

Select one of the following:

  • local area network

  • wide area network

  • metropolitan area network

  • multi - level network

Explanation

Question 161 of 200

1

What is another term for memory ?

Select one of the following:

  • tape storage

  • disk storage

  • primary storage

  • secondary storage

Explanation

Question 162 of 200

1

It is the computerized data gathering, monitoring and switching equipment.

Select one of the following:

  • supervising control

  • remote control

  • SCADA

  • control and monitoring system

Explanation

Question 163 of 200

1

What refers to the process of sending a copy of a file from a local computer to a remote computer ?

Select one of the following:

  • downloading

  • electronic mail

  • uploading

  • routing

Explanation

Question 164 of 200

1

An individual computer can be interconnected to a network of computers using which of the following ?

Select one of the following:

  • interface

  • serial port

  • modem

  • network hub

Explanation

Question 165 of 200

1

What type of communication system uses light, rather than electricity to communicate ?

Select one of the following:

  • data communication

  • optical communication

  • microwave communication

  • fiber optic communication

Explanation

Question 166 of 200

1

It a device that converts computer digital signals to analog signals for transmission over copper telephone wires and then back to digital signals

Select one of the following:

  • fax machine

  • modem

  • telegram

  • telephone

Explanation

Question 167 of 200

1

An e-mail address should consist of which of the following ?

Select one of the following:

  • user name and domain name

  • user name and user address

  • user name, and service provider name

  • user name, domain name and service provider name

Explanation

Question 168 of 200

1

Maximum capacity of a recordable compact disc

Select one of the following:

  • 1 GB

  • 10 GB

  • 650 MB

  • 100 MB

Explanation

Question 169 of 200

1

Which of the following is a binary coding commonly used in computers ?

Select one of the following:

  • Baudot

  • ASCII

  • BCD

  • EBCDIC

Explanation

Question 170 of 200

1

What is the name of place in the internet which can be accessed and gather information

Select one of the following:

  • yahoo

  • hot mail

  • web site

  • web page

Explanation

Question 171 of 200

1

What do you call the making of illegal copies of copyrighted software ?

Select one of the following:

  • software hacking

  • software piracy

  • software replication

  • software collaboration

Explanation

Question 172 of 200

1

Which one is used in the screen of a laptop computer

Select one of the following:

  • LCD

  • CRT

  • JRT

  • RSC

Explanation

Question 173 of 200

1

In order for a program to run, it must be placed in the computer's memory by a

Select one of the following:

  • compiler

  • loader

  • installer

  • interpreter

Explanation

Question 174 of 200

1

For PC to PC communications, a data terminal equipment is directly connected to

Select one of the following:

  • DDE equipment

  • telephone line

  • ATE equipment

  • DCE equipment

Explanation

Question 175 of 200

1

Which computer slot provides a high speed data pathway that is primarily used as graphics cards ?

Select one of the following:

  • ISA

  • PCI

  • AGP

  • IDE

Explanation

Question 176 of 200

1

Octal coding involves grouping the bits in

Select one of the following:

  • 6s

  • 9s

  • 1s

  • 3s

Explanation

Question 177 of 200

1

What is used to translate an assembly language code into machine language ?

Select one of the following:

  • assembler

  • loader

  • compiler

  • interpreter

Explanation

Question 178 of 200

1

THE EBCDIC allows a maximum of how many different characters ?

Select one of the following:

  • 512

  • 256

  • 128

  • 64

Explanation

Question 179 of 200

1

What is a network with a host computer called ?

Select one of the following:

  • star network

  • ring network

  • mesh network

  • local network

Explanation

Question 180 of 200

1

It refers to a device that modulates and demodulates signals transmitted over data communication facilities

Select one of the following:

  • facsimile machine

  • communication hub

  • modem

  • cellular phone

Explanation

Question 181 of 200

1

What does "DTL" means ?

Select one of the following:

  • Data Terminal Load

  • Data Terminal Logic

  • Diode Transistor Load

  • Diode Transistor Logic

Explanation

Question 182 of 200

1

This slot in the computer typically houses a graphics card, sound card, video card, or modem

Select one of the following:

  • IDE

  • ISA

  • AGP

  • PCI

Explanation

Question 183 of 200

1

What part of the microprocessor fetches and decodes the incoming instructions and generates the signals necessary for the arithmetic and logic unit to perform the intended function ?

Select one of the following:

  • ALU

  • stack

  • Accumulator

  • Control Unit

Explanation

Question 184 of 200

1

Which one refers to "technological merger" ?

Select one of the following:

  • digital access

  • digital protocol

  • digital convergence

  • digital technology

Explanation

Question 185 of 200

1

This process of notifying network that you are using a specific computer is called

Select one of the following:

  • log in

  • booting

  • password

  • log out

Explanation

Question 186 of 200

1

What is another term for operating system ?

Select one of the following:

  • start up program

  • computer program

  • monitor program

  • all of these

Explanation

Question 187 of 200

1

If the program is placed in ROM or EPROM, it is referred to as

Select one of the following:

  • software

  • firmware

  • hardware

  • software and firmware

Explanation

Question 188 of 200

1

What is the smallest type of computer in terms of their physical sizes ?

Select one of the following:

  • minicomputer

  • mainframe

  • maxicomputer

  • microcomputer

Explanation

Question 189 of 200

1

What is central processing unit on a single chip ?

Select one of the following:

  • integrated circuit

  • microprocessor

  • accumulator

  • ALU

Explanation

Question 190 of 200

1

What is the function of the arithmetic and logic unit ?

Select one of the following:

  • executes command and manipulates data

  • holds data for further manipulation

  • provide temporary data storage in sequential order

  • carries the actual data

Explanation

Question 191 of 200

1

Which of the following is a volatile memory ?

Select one of the following:

  • RAM

  • ROM

  • PROM

  • EPROM

Explanation

Question 192 of 200

1

What are used for temporary storage of instructions or data ?

Select one of the following:

  • accumulator

  • registers

  • program counters

  • control units

Explanation

Question 193 of 200

1

What code results when each digit of a decimal number is represented by its binary equivalent ?

Select one of the following:

  • morse code

  • gray code

  • binary coded decimal

  • straight binary code

Explanation

Question 194 of 200

1

What provides temporary data storage in sequential order usually on a last - in, first out basis ?

Select one of the following:

  • register

  • stack

  • accumulator

  • counter

Explanation

Question 195 of 200

1

What refers to a program that controls the computer at its most basic level and provides the environment for application programs ?

Select one of the following:

  • computer program

  • multi - tasking program

  • operating system

  • assembly language

Explanation

Question 196 of 200

1

What is the term used to describe a copyrighted software marketed under a license that allows the user to use the software for a trial period and then send in registration fee if they wish to continue the use of it ?

Select one of the following:

  • firmware

  • trial software

  • shareware

  • test run software

Explanation

Question 197 of 200

1

A byte is composed of how many bits ?

Select one of the following:

  • 2

  • 4

  • 6

  • 8

Explanation

Question 198 of 200

1

Data does not need to be refreshed and remains as long as the power stays on for what type of memory ?

Select one of the following:

  • dynamic memory

  • static memory

  • kinetic memory

  • virtual memory

Explanation

Question 199 of 200

1

What is the meaning of SCADA ?

Select one of the following:

  • System Coordinated Area Distribution area

  • System Control And Data Acquisition

  • Supervisory Control And Data Aquisition

  • Super Computer And Deck Accessibility

Explanation

Question 200 of 200

1

What memory contains the BIOS that is read in when the computer is first started ?

Select one of the following:

  • cache memory

  • virtual memory

  • OS memory

  • video memory

Explanation

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