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Preguntas del test (90)
1The little man computer consists of the little man, in and out boxes, mail boxes and instruction counter
- AVerdadero
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2The op code for store is 5
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3000 is the little man code to end the program
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4The instruction cycle of the little man computer consists of fetch and execute
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5The execute portion of the instruction cycle is when the little man computer gets his instructions
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6The stored program concept is when memory holds both programs and data
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79 is the op code for input
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8mnemonics are the abbreviations for the little mans computers instruction
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9The op code 199 means
- AAdd whats in memory to what is in mailbox 99
- Bsubtract what is in memory to what is in the mailbox 99
- CLook up what is in mailbox 99
- DD. Load what is in mailbox 99
10opcode 902 means
- Acoffee break
- Boutput
- Cbranch to line 2
- Dnone of the above
11the op code for 299
- Acoffee break
- Binput
- Csubtract what is in 99
- Dnone of the above
12To store what is in the accumulator the opcode is
- A0
- B1
- C6
- D3
13to tell the little man computer to look for an input the opcode is
- A902
- B901
- C201
- D202
14If you want to test to see if the accumulator has a positive number you would use
- ABRZ
- BBRP
- CNONE OF THE ABOVE
- DBRX
15 If you want to test to see if the accumulator has zero number you would use.
- ABRZ
- BBRP
- CBRX
- DNONE OF THE ABOVE
16how would you load from a specific mailbox
- A5XX
- B6XX
- C7XX
- D1XX
17how many parts does the instruction cycle have
- A5
- B4
- C3
- D2
18how many lines does a little man computer go for
- ATIL 000 IS HIT
- B100
- C99
- D20
19 How is memory addressed
- ARANDOMLY
- BLINEARLY
- CSEQUIENTIALLY
- DA&B
20when was the von Neumann architecture
- A1945 to 1951
- B1916 to 1920
- C1946 to 1947
- DIt is still being developed
21what is the first thing that the LMC does
- Areads what is in the location counter
- Bwalks over to the mailbox
- Creads the slip of paper
- Dwalks over to the calculator
22memory holding both programs and data is known as____________
- Astored program concept
- Bmnemonics
- Cfetch
- DexecutE
- Eoutput
23The _______ portion of the cycle is when the LMC finds out his instructions.
- ASTORED PROGRAM CONCEPT
- BFETCH
- CEXECUTE
- DOUTPUT
24The _______ portion if the cycle is when the LMC carries out his instructions. (execute)
- AEXECUTE
- BFETCH
- CSTORED PROGRAM CONCEPT
- DOUTPUT
25the code 902 will ______ what is in the accumulator
- AOUTPUT
- BEXECUTE
- CFETCH
- DSTORED PROGRAM CONCEPT
26Dynamic RAM is more expensive than Static RAM, but is also much faster.
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27EEPROM and Flash ROM are recent memory innovations that implement non-volatile writeable memory using a concept called Fowler-Nordheim tunneling.
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28A multi-point bus connects several points together in the computer.
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294. The Instruction Register holds the address of the current instruction being executed.
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30The Memory Data Register will hold a data value that is being stored to or retrieved from the memory location currently addressed by the MAR.
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31Volatile memory will maintain its contents even when power to it is lost.
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32 The fetch-execute cycle in a CPU acts as the cycle that copies and replicates data from one register to another.
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33The firs t step in any instruction to a computer is to transfer the data from the memory location to the MAR
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34MDR – IR in the fetch-execute cycle stands for moving the instruction from the Memory Data Register to the Instruction Register.
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35PC +1 – PC moves the instruction from the MDR back to the MAR.
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361. The two types of registers associated with memory are _mdr_____ and ____mar__.
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37When building a computer, you would probably choose _____ for memory
- Aram
- Brom
- Ccpu
- Dbyte
38_____ is used for situations where the software is built permanently into the computer and is not expected to change over the life of the computer.
- Arom
- Bram
- Ccpu
- Dmdr
39Which of the following is not a major component of a CPU?
- AArithmetic logic unit
- BControl unit
- CAll of the above are major components of a CPU
- DWhite Unit
40Registers are
- ASmall, permanent storage locations
- BSmall, temporary storage locations
- CLarge, temporary storage locations
- DLarge, permanent storage locations
41Registers can hold how many bits?
- A128
- B16
- C32
- D64
42What does ROM stand for?
- ARead overage memory
- BRandom over memory
- CRead only memory
- DRead over memory
435. Which of the following is not a type of RAM?
- ADRAM
- BSRAM
- CJRAM
44The physical connection that makes it possible to transfer data from one location in the computer system to another is called a:
- Abus
- Btrain
- Ccar
- Dnone
45A printed circuit board that holds CPU and related components including backplane is called:
- AFatherboard
- BBrotherboard
- CMotherboard
- DSisterboard
468. All of the following are parts in the little man computer except which one
- ACLU
- BControl Unit
- CI/O Interface
- DALU
479. Registers can hold all of the following except
- Aa. Data
- BInstruction
- CLocation counter
- DAddress
481. describe what a bus is
- AThe physical connection that makes it possible to transfer data from one location in the computer system to another
- Bx
492. describe what a rotate operation is
- Ax
- Bxc
501. Paging is a method by which the computer is able to separate the address used in the program from the physical address.
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512. Logical address is the actual memory address.
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523. Mapping can be defined as creating the correspondence between the logical and physical address during the program execution
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534. Paging is managed by the operating system.
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545. Physical addresses need to be consecutive
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556. Memory is fast compared to CPU processing speeds!
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567. T/F Virtual memory increases amount of perceived storage
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578. T/F Microcode are tiny programs stored in ROM that replace CPU instructions
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581. Describe Paging.
- AIt is managed by the operating system and built into the hardware. Paging is independent of applications.
- Bx
592. What is one way to improve memory access.
- A1. Wide Path Memory Access - Retrieve multiple bytes instead of 1 byte at a time
2.Memory Interleaving - Partition memory into subsections, each with its own address register and data register
3. Cache Memory - Bc
- A1. Wide Path Memory Access - Retrieve multiple bytes instead of 1 byte at a time
60An Intel x86 is an example of what kind of CPU architecture
- AA. CISC
- BB. RISC
- CC. VLIW
- DD. EPIC
61 A power PC has what Kind of architecture
- A.CISC
- BRISC
- CVLIW
- DEPIC
62Which of the following in NOT a characteristic of a CISC architecture
- AA. Few General purpose registers
- BMany addressing modes
- CLarge number of complex instructions
- DFixed format for instruction words
634 A Transmeta Crusoe PC uses what kind of Architecture
- ACISC
- BRISC
- CVLIW
- DEPIC
64How many general purpose registers does the VLIW architecture support
- A256
- B64
- C128
- D32
65An Intel Itanium CPU uses which kind of Architecture
- AD epic
- BCISC
- CRISC
- DVLIW
66Which of the following is NOT a way to improve memory access
- AA Make the path wider
- BPartition memory
- CMake the memory bigger
- DCache the memory
672Ghz CPU waiting 10 milliseconds waste how many clock cycles because of no caching
- A1
- B200,000
- C100 Million
- D20 Million
68If your CPU’s clock cycle is rated in 2 .0 Gigahertz (GHZ) it is rated for how many steps per second
- AA 2
- BB 2 million
- CC 2 billion
- DD 2 Trillion
69Where is microcode stored
- AA CPU
- Bcache
- CROM
- DRAM
70How much is execution speed improved through caching?
- A10 %
- B25%
- C50%
- D100%
71What Manages Paging?
- ACPU
- BMemory
- CBIOS
- DOperating System
721) A method by which the computer is able to separate the address used in the program from the physical address Is Called ___________
- Apaging
- Bspeeds
- Cvirtual memory
732) Cache _________ up memory access
- Acache
- Bspeeds
- Cvirtual memory
743) __________ increases amount of perceived storage
- Avirtual memory
- Bcache
- Cspeeds
75Given the logical address 3B 5A2 and a frame number 4F467, Find the physical address?
- A4F4675A2
- Bc
76Given the physical address 4F4675A2 and a a page No 4C, Find the logical address?
- A4C5A2
- Bx
77Protocol is a set of rules that govern data communications
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78Communication in simplex mode is bidirectional
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79In half-duplex mode, each station can both transmit and receive at the same time.
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80In full- duplex mode, both station can transmit and receive simultaneously
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81An internet is a device of networks
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82Noise is an interference from sources like radio waves, electrical wires, and bad connections that alter the data
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83Attenuation is normal reduction in signal strength during transmission caused by the transmission medium
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84Distortion: alteration in the data signal caused by the communication channel
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85Period is the amount of time to trace one complete cycle of the wave which inverse of frequency.
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86) Bandwidth is the frequencies element that make up a signal and Frequency Spectrum is the range of frequencies passed by the channel
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87Communication between two devices can be
- Aa. Simplex
- Bb. Half-duplex
- Cc. Full-duplex
- Dd. All of the above
88The type of connections we use in data communications is
- Aa. Point -to- point
- Bb. Multipoint
- Cc. a & b
- Dd. None
89What are the components of data communications?
- AMessage, Sender, Receiver, Transmission medium, protocol
- Bm
901. Data communications are the transfer of data from device to another via some form of
- Atransmission medium
- Bm
Información
- Descripción
- Test sobre Sin título, creado por Juan Encarnocion el 20/04/2016.
- Autor
- Juan Encarnocion
- Idioma
- English
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