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COMPUTER FUNDAMENTALS

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Quiz sobre COMPUTER FUNDAMENTALS, criado por shuree em 14-04-2015.
shuree
Quiz por shuree, atualizado more than 1 year ago
shuree
Criado por shuree mais de 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
It is a device that converts computer digital signals to analog signals for transmission over copper telephone wires and then back to digital signals.
Responda
  • Fax machine
  • Telegram
  • Telephone
  • Modem

Questão 2

Questão
What is the most widely used 7 - bit alphanumeric code ?
Responda
  • ASCII
  • EBCDIC
  • Straight binary code
  • Gray code

Questão 3

Questão
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 ?
Responda
  • Machine Language
  • Application Software
  • High - Level Language
  • FORTRAN

Questão 4

Questão
An area of memory that holds the ASCII characters that are being displayed on a monitor is called
Responda
  • space
  • start bit
  • terminal
  • screen image

Questão 5

Questão
Processors with more than two registers for arithmetic and logical operations are classified as
Responda
  • specific register processors
  • general register processors
  • accumulator based
  • serial register processors

Questão 6

Questão
What input device translates motion of a ball rolled on a flat surface to the monitor screen ?
Responda
  • wand reader
  • pen
  • bar code reader
  • mouse

Questão 7

Questão
What is the system program that is used to translate directly an assembly language to machine language ?
Responda
  • assembler
  • compiler
  • interpreter
  • debugger

Questão 8

Questão
What is an operand address ?
Responda
  • 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

Questão 9

Questão
What is the standard method for coding data on 80 - column , 12 - row card ?
Responda
  • Baudot Code
  • ASCII
  • Hollerith Code
  • EBCDIC

Questão 10

Questão
A software program designed to enter a computer system, usually network, through security " holes " and then replicate itself.
Responda
  • computer virus
  • worm
  • trojan horse
  • HTTP

Questão 11

Questão
What refers to the computer's use of hard disk storage to simulate RAM ?
Responda
  • volatile memory
  • ROM
  • data storage
  • virtual memory

Questão 12

Questão
What is a set of instructions that resides on a storage device, such as hard drive, and can be loaded into memory and executed ?
Responda
  • stored program
  • device program
  • operating program
  • memory - resident program

Questão 13

Questão
Which of he following devices is not serially interfaced to PC ?
Responda
  • mouse
  • printer
  • modem
  • all of these

Questão 14

Questão
It is a software that allows users to have fast and flexible access to information in large documents, constructing associations among data items needed.
Responda
  • voice mail
  • internet
  • e - mail
  • hypertext

Questão 15

Questão
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 ?
Responda
  • cache memory
  • virtual memory
  • static memory
  • dynamic memory

Questão 16

Questão
A large application or program is divided into four modules of equal size called
Responda
  • pages
  • sectors
  • segments
  • stacks

Questão 17

Questão
What 5 - bit code that has long been used in Telex and teletypewriter communications ?
Responda
  • Baudot code
  • BCD
  • EBCDIC
  • ASCII

Questão 18

Questão
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 ?
Responda
  • paging
  • scanning
  • thrashing
  • handshaking

Questão 19

Questão
What is a single word memory location used to temporarily hold data during program execution ?
Responda
  • accumulator
  • register
  • buffer
  • stack

Questão 20

Questão
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 ?
Responda
  • text editing
  • syntax analyzing
  • trace
  • stacking

Questão 21

Questão
In a computer system, _____ is hardware where the control keys are located.
Responda
  • CPU
  • keyboard
  • I/O section
  • console

Questão 22

Questão
All are parts of the computer hardware organization except one
Responda
  • architecture
  • implementation
  • hardware realization
  • assembler

Questão 23

Questão
The data manipulated by a program is called ____ depending on its nature and extent
Responda
  • database
  • file
  • input
  • all of the these

Questão 24

Questão
Which one represents machine instructions by mnemonic names and allows memory addresses and other constants to be represented by symbols rather than bit strings
Responda
  • asssembler
  • interpreter
  • machine language
  • assembly language

Questão 25

Questão
Which of the following is an instruction that causes data to be brought from memory into an accumulator register ?
Responda
  • LOAD
  • LOOP
  • FETCH
  • JUMP

Questão 26

Questão
What term is used to describe storing of data into a memory ?
Responda
  • Writing
  • Loading
  • Reading
  • Memorizing

Questão 27

Questão
What register holds the data being written into or read out of the addressed memory location ?
Responda
  • Hold register
  • Memory address register
  • Memory data register
  • Access register

Questão 28

Questão
What does "CMOS" means ?
Responda
  • Complementary Main - Oxide Semiconductor
  • Complementary Metal Oxide Semiconductor
  • Complementary Main Oxidation Semiconductor
  • Computer Metal Oxide Semiconductor

Questão 29

Questão
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.
Responda
  • Driver
  • Transfer Program
  • Language Translator
  • RAM

Questão 30

Questão
What do you call a translated program in machine language ?
Responda
  • a source program
  • an object program
  • a machine program
  • a user's program

Questão 31

Questão
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.
Responda
  • computer virus
  • worm
  • trojan horse
  • all of the choices

Questão 32

Questão
Which one is the portion of an instruction cycle where the instructions is sent from memory to the instruction register ?
Responda
  • LOAD
  • ACCUMULATE
  • EXECUTE
  • FETCH

Questão 33

Questão
The decimal system is composed of how many numerals or symbols ?
Responda
  • 2
  • 8
  • 10
  • 16

Questão 34

Questão
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
Responda
  • field
  • field allocation table
  • file format
  • file information table

Questão 35

Questão
What is the part of a computer instruction that defines what type of operation the computer is to execute on specified data ?
Responda
  • machine language
  • mnemonic
  • assembly language
  • op code

Questão 36

Questão
A digital circuit is also known as
Responda
  • arithmetic circuit
  • logic circuit
  • electronic circuit
  • sequential circuit

Questão 37

Questão
What does TTL means ?
Responda
  • Transistor Transistor Logic
  • Transformer Tapped Logic
  • Transistorized Transmission Logic
  • Transmit Time Logic

Questão 38

Questão
Which computer port is commonly used in order to speed up the transfer of the computer data ?
Responda
  • parallel port
  • serial port
  • video port
  • modem port

Questão 39

Questão
Which device puts data on the data bus during write operation ?
Responda
  • ALU
  • CPU
  • Keyboard
  • Accumulator

Questão 40

Questão
What is an instruction mnemonic ?
Responda
  • 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

Questão 41

Questão
What is the term used to describe the moving of software from another computer to your own computer ?
Responda
  • Surfing
  • Downloading
  • Uploading
  • Accessing

Questão 42

Questão
What abbreviation represents the op code of a computer instruction ?
Responda
  • ASCII
  • Mnemonics
  • Octets
  • Algorithm

Questão 43

Questão
Which of the following classes of mass memory devices use a laser beam to write and read onto a specified coated disk ?
Responda
  • RAM
  • ROM
  • Non - volatile memory
  • Optical disk memory

Questão 44

Questão
Which of the following is the busiest bus and that one that carries the actual data ?
Responda
  • address bus
  • data bus
  • control bus
  • microprocessor

Questão 45

Questão
HTTP:// is an identifier that appears at the beginning of most Web page. What does HTTP stands for ?
Responda
  • Hypertext Time Protocol
  • Hypertext Text Protocol
  • Hypertext Transmission Process
  • Hypertext Transfer Protocol

Questão 46

Questão
A megabite is exactly
Responda
  • 1,000,000 bytes
  • 999,999 bytes
  • 1,000,001 bytes
  • 1,048,576 bytes

Questão 47

Questão
The bus that communicates control and status information is the
Responda
  • address bus
  • data bas
  • control bus
  • microprocessor

Questão 48

Questão
What do you call a program stored in ROM that loads and initializes the operating system on a computer ?
Responda
  • Bootsector Program
  • CMOS program
  • BIOS program
  • Bootstrap program

Questão 49

Questão
What is the term for a computer or software that requests information from another computer or server ?
Responda
  • Host
  • Workstation
  • Client
  • All of the these

Questão 50

Questão
A software that translates a program written in a high - level language into a low level instructions before the program is executed
Responda
  • compiler
  • assembler
  • intergrator
  • interpreter

Questão 51

Questão
The term "bus" refers to
Responda
  • 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

Questão 52

Questão
What computer memory is used during the first cycles of the data processing activity ?
Responda
  • read only memory
  • cache memory
  • hard drive memory
  • program memory

Questão 53

Questão
A parity bit is also called _____ is an extra bit attached to the end of a byte for purposes of checking for accuracy
Responda
  • chip size
  • check bit
  • silicon byte
  • RAM capacity

Questão 54

Questão
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 ?
Responda
  • morse code
  • BCD code
  • Excess 3 code
  • Gray code

Questão 55

Questão
What is the difference between high and low frequency spectrum ?
Responda
  • cut - off frequency
  • bandwidth
  • resonant frquency
  • center frequency

Questão 56

Questão
What does "DTML" means ?
Responda
  • Diode Transistor Macro Logic
  • Diode Transistor Minimum Logic
  • Diode Transistor Maximum Logic
  • Diode Transistor Micro Logic

Questão 57

Questão
A group of records are stored in a
Responda
  • file
  • database
  • drive
  • memory

Questão 58

Questão
Which of the following takes the complete decimal number and represents it in binary
Responda
  • BCD
  • gray code
  • excess - 3 code
  • straight binary code

Questão 59

Questão
All are basic operation in Boolean Algebra except
Responda
  • Logical addition
  • Logical subtraction
  • Logical multiplication
  • Logical complementation

Questão 60

Questão
What is the most common type of digital IC package ?
Responda
  • DIP
  • Metal Type
  • CMOS
  • TTL

Questão 61

Questão
What refers to the time with which disk can find data being sought ?
Responda
  • access time
  • data rate time
  • transfer time
  • enter time

Questão 62

Questão
What type of database contains records in an organized, structured format ?
Responda
  • hierarchical database
  • relational database
  • ordered database
  • sequential database

Questão 63

Questão
In what slot does the CD drive will be connected to the mother board of the computer ?
Responda
  • PCI slot
  • IDE slot
  • ISA slot
  • AGP slot

Questão 64

Questão
A two way parallel path connecting processors and memory containing addresses
Responda
  • buffer
  • cache memory
  • control bus
  • address bus

Questão 65

Questão
What is the smallest changeable data unit ?
Responda
  • bit
  • byte
  • nibble
  • word

Questão 66

Questão
The command line in basic programming is always started by which of the following
Responda
  • integer
  • alphanumeric character
  • machine code
  • clear command

Questão 67

Questão
An instruction that alters the normal course of a program by causing it to jump to another instruction
Responda
  • ROTATE
  • SKIP
  • JUMP
  • LOOP

Questão 68

Questão
An instruction that causes the data in the accumulator to be moved to the memory or a peripheral register
Responda
  • FETCH
  • STORE
  • LOOP
  • LOAD

Questão 69

Questão
What refers to a specific register that always points to the address of the next instruction to be executed ?
Responda
  • instruction register
  • pushdown stack
  • program counter
  • control bus

Questão 70

Questão
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 ?
Responda
  • cache memory
  • video memory
  • volatile memory
  • scratchpad memory

Questão 71

Questão
What program is executed on several different computers to compare their speed and performance ?
Responda
  • compiler
  • assembler
  • diagnostic program
  • benchmark

Questão 72

Questão
A computer or software on the network that supplies the network with data and storage
Responda
  • server
  • mainframe
  • host
  • workstation

Questão 73

Questão
Which of the following has a function of directing memory and I/O device transfers ?
Responda
  • address bus
  • data bus
  • control bus
  • device bus

Questão 74

Questão
What is the language used in making an internet webpage ?
Responda
  • Highertext Machine Language
  • Hypertext Mark - up Language
  • Hightech Mark - up Language
  • Hypertext Machine Language

Questão 75

Questão
What to you mean by the acronym "DCTL"?
Responda
  • Diode Capacitor Transistor Logic
  • Diode Coupled Transistor Logic
  • Direct Connected Transistor Logic
  • Direct Coupled Transistor Logic

Questão 76

Questão
What register holds the current instruction during its execution ?
Responda
  • instruction register
  • pushdown register
  • program register
  • execution register

Questão 77

Questão
A BCD code has how many bits per number
Responda
  • 2
  • 4
  • 8
  • 16

Questão 78

Questão
A non - impact printer that forms images with little dots and produces high quality images.
Responda
  • Card Printer
  • Dot Matrix Printer
  • Computer Printer
  • Ink jet Printer

Questão 79

Questão
A nibble is composed of how many bits ?
Responda
  • 2
  • 4
  • 6
  • 8

Questão 80

Questão
The term "firmware" is used to describe programs stored in which of the following memory hardware ?
Responda
  • ROMs and EPROMs
  • RAMs and ROMs
  • PROMs and EPROMs
  • PROMs and ROMs

Questão 81

Questão
Which one refers to an assembly of computer hardware and software that enable computers to share data, software and other resources with each other ?
Responda
  • Local Area Network
  • Wide Area Network
  • Metropolitan Area Network
  • Multi - Level Network

Questão 82

Questão
In digital codes, how do you identify codes running from 0 to 1 or run from 0 - 7 ?
Responda
  • Base 10
  • Octal
  • Binary
  • Gray

Questão 83

Questão
What is needed to translate a high - level program into a sequence of machine instructions that performs the desired task ?
Responda
  • assembler
  • interpreter
  • compiler
  • debugger

Questão 84

Questão
Text editors and formatters belong to which area of computing ?
Responda
  • compilers
  • accounting
  • assembling
  • word processing

Questão 85

Questão
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.
Responda
  • computer virus
  • worm
  • trojan horse
  • hypertext

Questão 86

Questão
Which one refers to a device that amplifies a signal and passes it on ?
Responda
  • repeater
  • amplifier
  • trap
  • modulator

Questão 87

Questão
What refers to the manner in which alphanumeric data and control characters are represented by sequence bits ?
Responda
  • controlling
  • processing
  • coding
  • transforming

Questão 88

Questão
What type of file has a record of web site activity ?
Responda
  • cookies
  • java file
  • http file
  • html file

Questão 89

Questão
What memory in a computer is used to hold the computer's start up routine ?
Responda
  • RAM
  • CMOS
  • ROM
  • SDRAM

Questão 90

Questão
What refers to the character s that can be displayed or printed, including numerals and symbols ?
Responda
  • control characters
  • alphanumeric data
  • binary characters
  • alphanumeric control

Questão 91

Questão
What term is used to describe retrieval of data from a memory ?
Responda
  • unloading
  • downloading
  • reading
  • accessing

Questão 92

Questão
What type of bus carries memory address from the computer to the memory ?
Responda
  • data bus
  • address bus
  • control bus
  • parallel bus

Questão 93

Questão
What type of bus carries lines that control the operation of the memory from the microprocessor to the memory ?
Responda
  • data bus
  • address bus
  • control bus
  • parallel bus

Questão 94

Questão
What register holds the address of the word currently being accessed ?
Responda
  • hold register
  • memory address register
  • memory data register
  • access register

Questão 95

Questão
A state of the art technology designed to provide supervisory control and data acquisition capability for industrial , commercial and utility power substation and systems
Responda
  • Monitor
  • COBOL
  • SCADA
  • IBM PC

Questão 96

Questão
What is a technique used to ensure that the bits within a memory byte are correct ?
Responda
  • handshaking
  • parity
  • swapping
  • processing

Questão 97

Questão
What is the term for a sequence of computer instructions that performs some functions ?
Responda
  • algorithm
  • machine language
  • program
  • assembly language

Questão 98

Questão
If the executable program is kept on disk or tape, it is normally referred to as
Responda
  • software
  • firmware
  • hardware
  • all of these

Questão 99

Questão
What do you call a network where people can retrieve information, communicate, entertain or do business from the comfort of a PC ?
Responda
  • internet
  • web site
  • facesmile
  • e - mail

Questão 100

Questão
What do you call a projector that will be used to project video signals from a computer ?
Responda
  • multimedia projector
  • electronic projector
  • overhead projector
  • laptop projector

Questão 101

Questão
A type of computer memory circuit that holds data, program instructions, and the operating system while the computer is on.
Responda
  • random access memory
  • read only memory
  • volatile memory
  • CMOS

Questão 102

Questão
What refers to one or more integrated circuits that contain permanent instructions that the computer uses during boot process ?
Responda
  • CMOS
  • ROM
  • RAM
  • Boot Sector

Questão 103

Questão
Which of the following is used to capture real moving objects and displays it into a computer ?
Responda
  • scanner
  • video player
  • electronic recorder
  • digital camera

Questão 104

Questão
Which of the following is related to a monitor ?
Responda
  • video display
  • screen
  • monochrome monitor
  • RGB monitor

Questão 105

Questão
Which port in a PC is the modem normally connected ?
Responda
  • serial port
  • parallel port
  • special port
  • any of these

Questão 106

Questão
What is a network with continuous loop communication ?
Responda
  • star network
  • ring network
  • cascaded network
  • local network

Questão 107

Questão
group or sectors on a storage medium that, when accessed as a group speed up a data access ?
Responda
  • track
  • media
  • cluster
  • cell

Questão 108

Questão
A computer that interacts with a television set
Responda
  • personal computer
  • net computer
  • personal digital asssitant
  • telecomputer

Questão 109

Questão
What is the smallest unit of information handled by a computer ?
Responda
  • bit
  • byte
  • cell
  • character

Questão 110

Questão
A collection of information that may be stored in more than one file
Responda
  • databank
  • database
  • dataware
  • data module

Questão 111

Questão
A tiny electrically operated switch that can alternate between on and off million times
Responda
  • diode
  • latch
  • pentode
  • transistor

Questão 112

Questão
A boot disk that contains operating system files plus antivirus software
Responda
  • boot disk
  • rescue disk
  • reserve disk
  • restore disk

Questão 113

Questão
viruses designed to corrupt antivirus software
Responda
  • anti - antivirus
  • antivirus eradicator
  • worm
  • retro virus

Questão 114

Questão
A computer that is smaller and more portable than a computer notebook. It is sometimes called palm - top computer
Responda
  • microcomputer
  • minicomputer
  • personal digital assistant ( PDA )
  • Micro PC

Questão 115

Questão
What do you call a communication network covering geographical area the size of a city or suburban ?
Responda
  • Local Area Network
  • Wide Area Network
  • Metropolitan Area Network
  • Multi - Level Network

Questão 116

Questão
What is large computer called ?
Responda
  • laptop computer
  • mega computer
  • main frame computer
  • desktop computer

Questão 117

Questão
This term refers to the preparation of disk for usage so that the operating system can be written on it.
Responda
  • Multitasking
  • Formatting
  • Setting
  • Debugging

Questão 118

Questão
What is a step by step drawing representation of a specific procedure or algorithm ?
Responda
  • flowchart
  • block diagram
  • assembler diagram
  • machine code

Questão 119

Questão
What is used to translate high level statement into machine language ?
Responda
  • macros
  • assembler
  • compiler or interpreter
  • loader

Questão 120

Questão
What code is widely used for mainframe computers ?
Responda
  • BCD
  • Baudot Code
  • Hollerith Code
  • EBCDIC

Questão 121

Questão
What is RS 232C ?
Responda
  • An interface standard
  • a type of computer memory
  • a type of computer hard disk
  • a computer cable connecting the hardwares

Questão 122

Questão
The term that refers to the physical equipment or components of an electronic data processing system ?
Responda
  • software
  • central processing unit
  • firmware
  • hardware

Questão 123

Questão
Which is not needed to be connected to the internet ?
Responda
  • modem
  • security code
  • telephone line
  • PC

Questão 124

Questão
When the computer software is easy to use, it is termed as
Responda
  • custom software
  • instant access software
  • user friendly software
  • shareware

Questão 125

Questão
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 ?
Responda
  • multitastking
  • time sharing
  • handshaking
  • batch processing

Questão 126

Questão
A multi - user system is similar to a multi tasking system except that all users are
Responda
  • using different programs
  • using different computers
  • using the same program
  • using mobile computers

Questão 127

Questão
A computer virus that infects the macros that are attached to documents and spreadsheets is called
Responda
  • micro virus
  • file virus
  • document virus
  • spread sheet virus

Questão 128

Questão
What do you call a computer that receives and stores e-mail data until retrieved by the email account holder ?
Responda
  • ISP
  • POP server
  • POST
  • MPEG

Questão 129

Questão
In computer work, an antivirus is
Responda
  • 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

Questão 130

Questão
What do you call a microscopic plate of silicon that contains thousands of micro miniature electronic circuit components ?
Responda
  • integrated transistor
  • memory
  • central processing unit
  • microchip

Questão 131

Questão
Available for purchase software is known as
Responda
  • application software
  • package software
  • system software
  • market software

Questão 132

Questão
What code is 7 - bit code that allows only 128 different combinations commonly used in microcomputers ?
Responda
  • EBCDIC
  • ASCII
  • Baudot Code
  • Hollerith Code

Questão 133

Questão
What do you call a person who gains illegal access to a computer system ?
Responda
  • electronic enthusiast
  • hacker
  • computer pirate
  • all of these

Questão 134

Questão
What do you call the process of retrieving a file from the internet and storing it in the PC ?
Responda
  • scanning
  • browsing
  • downloading
  • uploading

Questão 135

Questão
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 ?
Responda
  • analyzing, logic determination, and coding
  • input, processing and output
  • input, storage and processing
  • processing, storage and distribution

Questão 136

Questão
What refers to a computer - base system in which a telephone message is recorded in digital form and then forwarded to others ?
Responda
  • voice mail
  • answering machine
  • teleconference
  • audio conference

Questão 137

Questão
It refers to the rate at which data is sent over communication lines
Responda
  • propagation rate
  • uploading rate
  • baud rate
  • attenuation rate

Questão 138

Questão
What holds data and instructions for further manipulation in the ALU ?
Responda
  • register
  • accumulator
  • control bus
  • data bus

Questão 139

Questão
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 ?
Responda
  • self - processing intelligence
  • artificial intelligence
  • man - free intelligence
  • all of the choices

Questão 140

Questão
"AT" command is used in PC communications. What do you mean by "AT" ?
Responda
  • attention
  • attaction
  • attack
  • attempt

Questão 141

Questão
Which of the following refers to a sound piece of plastic that stores data and program as a magnetized spot ?
Responda
  • digital disk
  • hard disk
  • floppy disk
  • none of these

Questão 142

Questão
It is a very powerful small component of a computer.
Responda
  • diode
  • triode
  • chip
  • internet

Questão 143

Questão
What do you call a series of concentric or spiral storage areas created on a storage medium during the formatting process ?
Responda
  • traces
  • routes
  • domains
  • tracks

Questão 144

Questão
What do you call a device that provides the computer with electricity of there is power failure ?
Responda
  • Uninterruptible Power Supply
  • Automatic Transfer Switch
  • Power Supply Rectifier
  • Power Inverter

Questão 145

Questão
What type of data stores all information in the equivalent of a matrix ?
Responda
  • hierarchical database
  • relational database
  • ordered database
  • sequential database

Questão 146

Questão
What is the term for a computer professional who plans an entire computer system ?
Responda
  • programmer
  • software developer
  • system analyst
  • all of these

Questão 147

Questão
What type of computer accepts input in handwriting on screens ?
Responda
  • stylus computer
  • pen based computer
  • touch screen computer
  • all of these

Questão 148

Questão
A megabyte is a computer term which means
Responda
  • a thousand kilobytes
  • a million kilobytes
  • a group of characters that can fill a computer storage
  • a hundred thousand bytes

Questão 149

Questão
What is the storage capacity of 3 ½ floppy disk ?
Responda
  • 1.44 MB
  • 1.8 MB
  • 1.25 MB
  • 1.5 MB

Questão 150

Questão
What is used to gain access to internet ?
Responda
  • gopher
  • web page
  • password
  • browser

Questão 151

Questão
Which one is not a data communication equipment ?
Responda
  • modem
  • data auxiliary set
  • personal computer
  • none of these

Questão 152

Questão
Which of the following devices merges signals ?
Responda
  • oscillator
  • multiplexer
  • demodulator
  • demultiplexer

Questão 153

Questão
Which one is not required in video conferencing through a PC ?
Responda
  • microphone
  • digital camera
  • speakers
  • screen filter

Questão 154

Questão
What do you call a collection of fields ?
Responda
  • file
  • record
  • document
  • database

Questão 155

Questão
What device used in converting a computer digital signal to analog signals for transmission over telephone wires ?
Responda
  • modem
  • network hub
  • digital switch
  • demodulator

Questão 156

Questão
What Extended Binary Coded Decimal Interchange Code ( EBCDIC ) uses how many bits each character ?
Responda
  • 2
  • 4
  • 8
  • 16

Questão 157

Questão
In a network of computers, what do you call the computer wherein commonly used files are stored and accessed ?
Responda
  • network computer
  • host computer
  • file server
  • PC

Questão 158

Questão
The digital system usually operates on ____ system.
Responda
  • decimal
  • hexadecimal
  • binary
  • octal

Questão 159

Questão
Which one refers to a way of sending and receiving mails between two or more people through the global computer network ?
Responda
  • electronic mail
  • express mail
  • facesmile
  • internet

Questão 160

Questão
What do you call a communication network that covers a wide geographical area such as a state or a country ?
Responda
  • local area network
  • wide area network
  • metropolitan area network
  • multi - level network

Questão 161

Questão
What is another term for memory ?
Responda
  • tape storage
  • disk storage
  • primary storage
  • secondary storage

Questão 162

Questão
It is the computerized data gathering, monitoring and switching equipment.
Responda
  • supervising control
  • remote control
  • SCADA
  • control and monitoring system

Questão 163

Questão
What refers to the process of sending a copy of a file from a local computer to a remote computer ?
Responda
  • downloading
  • electronic mail
  • uploading
  • routing

Questão 164

Questão
An individual computer can be interconnected to a network of computers using which of the following ?
Responda
  • interface
  • serial port
  • modem
  • network hub

Questão 165

Questão
What type of communication system uses light, rather than electricity to communicate ?
Responda
  • data communication
  • optical communication
  • microwave communication
  • fiber optic communication

Questão 166

Questão
It a device that converts computer digital signals to analog signals for transmission over copper telephone wires and then back to digital signals
Responda
  • fax machine
  • modem
  • telegram
  • telephone

Questão 167

Questão
An e-mail address should consist of which of the following ?
Responda
  • user name and domain name
  • user name and user address
  • user name, and service provider name
  • user name, domain name and service provider name

Questão 168

Questão
Maximum capacity of a recordable compact disc
Responda
  • 1 GB
  • 10 GB
  • 650 MB
  • 100 MB

Questão 169

Questão
Which of the following is a binary coding commonly used in computers ?
Responda
  • Baudot
  • ASCII
  • BCD
  • EBCDIC

Questão 170

Questão
What is the name of place in the internet which can be accessed and gather information
Responda
  • yahoo
  • hot mail
  • web site
  • web page

Questão 171

Questão
What do you call the making of illegal copies of copyrighted software ?
Responda
  • software hacking
  • software piracy
  • software replication
  • software collaboration

Questão 172

Questão
Which one is used in the screen of a laptop computer
Responda
  • LCD
  • CRT
  • JRT
  • RSC

Questão 173

Questão
In order for a program to run, it must be placed in the computer's memory by a
Responda
  • compiler
  • loader
  • installer
  • interpreter

Questão 174

Questão
For PC to PC communications, a data terminal equipment is directly connected to
Responda
  • DDE equipment
  • telephone line
  • ATE equipment
  • DCE equipment

Questão 175

Questão
Which computer slot provides a high speed data pathway that is primarily used as graphics cards ?
Responda
  • ISA
  • PCI
  • AGP
  • IDE

Questão 176

Questão
Octal coding involves grouping the bits in
Responda
  • 6s
  • 9s
  • 1s
  • 3s

Questão 177

Questão
What is used to translate an assembly language code into machine language ?
Responda
  • assembler
  • loader
  • compiler
  • interpreter

Questão 178

Questão
THE EBCDIC allows a maximum of how many different characters ?
Responda
  • 512
  • 256
  • 128
  • 64

Questão 179

Questão
What is a network with a host computer called ?
Responda
  • star network
  • ring network
  • mesh network
  • local network

Questão 180

Questão
It refers to a device that modulates and demodulates signals transmitted over data communication facilities
Responda
  • facsimile machine
  • communication hub
  • modem
  • cellular phone

Questão 181

Questão
What does "DTL" means ?
Responda
  • Data Terminal Load
  • Data Terminal Logic
  • Diode Transistor Load
  • Diode Transistor Logic

Questão 182

Questão
This slot in the computer typically houses a graphics card, sound card, video card, or modem
Responda
  • IDE
  • ISA
  • AGP
  • PCI

Questão 183

Questão
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 ?
Responda
  • ALU
  • stack
  • Accumulator
  • Control Unit

Questão 184

Questão
Which one refers to "technological merger" ?
Responda
  • digital access
  • digital protocol
  • digital convergence
  • digital technology

Questão 185

Questão
This process of notifying network that you are using a specific computer is called
Responda
  • log in
  • booting
  • password
  • log out

Questão 186

Questão
What is another term for operating system ?
Responda
  • start up program
  • computer program
  • monitor program
  • all of these

Questão 187

Questão
If the program is placed in ROM or EPROM, it is referred to as
Responda
  • software
  • firmware
  • hardware
  • software and firmware

Questão 188

Questão
What is the smallest type of computer in terms of their physical sizes ?
Responda
  • minicomputer
  • mainframe
  • maxicomputer
  • microcomputer

Questão 189

Questão
What is central processing unit on a single chip ?
Responda
  • integrated circuit
  • microprocessor
  • accumulator
  • ALU

Questão 190

Questão
What is the function of the arithmetic and logic unit ?
Responda
  • executes command and manipulates data
  • holds data for further manipulation
  • provide temporary data storage in sequential order
  • carries the actual data

Questão 191

Questão
Which of the following is a volatile memory ?
Responda
  • RAM
  • ROM
  • PROM
  • EPROM

Questão 192

Questão
What are used for temporary storage of instructions or data ?
Responda
  • accumulator
  • registers
  • program counters
  • control units

Questão 193

Questão
What code results when each digit of a decimal number is represented by its binary equivalent ?
Responda
  • morse code
  • gray code
  • binary coded decimal
  • straight binary code

Questão 194

Questão
What provides temporary data storage in sequential order usually on a last - in, first out basis ?
Responda
  • register
  • stack
  • accumulator
  • counter

Questão 195

Questão
What refers to a program that controls the computer at its most basic level and provides the environment for application programs ?
Responda
  • computer program
  • multi - tasking program
  • operating system
  • assembly language

Questão 196

Questão
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 ?
Responda
  • firmware
  • trial software
  • shareware
  • test run software

Questão 197

Questão
A byte is composed of how many bits ?
Responda
  • 2
  • 4
  • 6
  • 8

Questão 198

Questão
Data does not need to be refreshed and remains as long as the power stays on for what type of memory ?
Responda
  • dynamic memory
  • static memory
  • kinetic memory
  • virtual memory

Questão 199

Questão
What is the meaning of SCADA ?
Responda
  • System Coordinated Area Distribution area
  • System Control And Data Acquisition
  • Supervisory Control And Data Aquisition
  • Super Computer And Deck Accessibility

Questão 200

Questão
What memory contains the BIOS that is read in when the computer is first started ?
Responda
  • cache memory
  • virtual memory
  • OS memory
  • video memory

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