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Computer Organization & Architecture MCQ Set -2 | Computer Organization and Architecture mcq with Answers

Computer Organization and Architecture mcq with Answers  Set -2

Computer Organization and Architecture mcq with Answers


Computer Organization and Architecture mcq with Answers : Here we provide best computer organisation and architecture mcq.We also enclose computer architecture and organization mcqs pdf.This computer organisation and architecture mcq will be help for your computer science studies,Anyone preparing for Aptitude test in Computer Organization & Architecture,school students, entrance examinations and other competitive examinations or any other job preparation.Mcq on computer organization and architecture is a important part of computer science stuies because today's all exam are online base and they prefare mutiple choice question.Here we provide list of 30 multiple choice questions computer organization and architecture.You can also get more set of computer organisation and architecture mcq questions by clicking the of 30 question.


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Computer Organization and Architecture mcqs :

1. With 2's Complement representation, the range of values that can be represented on the data bus of an 8 bit micro-processor is given by

    -128 to +127
    -128 to 128 
    -127 to 128
ANSWER= (A) -128 to +127

 

2. The circuit used to store one bit of data is known as

    Register
    Encoder
    Decoder
ANSWER= (D) Flip Flop

 

3.  Cache memory acts between

     CPU and RAM
    RAM and ROM
    CPU and Hard Disk
ANSWER= (A)  CPU and RAM

 

4. Normally digital computers are based on

    AND and OR gates
    NAND and NOR gates
    Not gate

ANSWER= (B) NAND and NOR gates

 

5. When signed numbers are used in binary arithmetic, then which one of the following notations would have unique representation for zero ? 

    Sign Magnitude
    1's complement
    2's complement
ANSWER= (C) 2's complement

 

6. Which of the following statements is wrong?

    Propagation delay is the time required for a gate to change its state.
    The noise immunity is the amount of noise that can be applied to the input of agate without causing the gate to change state.
    Fan-in of a gate is always equal to fan-out of the same gate
ANSWER= (C) Fan-in of a gate is always equal to fan-out of the same gate

 

7. Which of the following logic families has the maximum functional capacity?

    VLSI
     LSI
     MSI
ANSWER= (A) VLSI

 

8.Subtractor can be implemented using

    adder 
    complementer
    both (a) & (b) 
ANSWER= (C) both (a) & (b) 

 

9.  Floating point representation is used to store ______.

    Boolean values
    whole numbers
     real integers
ANSWER= (C) real integers

 

10.What characteristic of read-only memory (ROM) makes is useful?

    ROM chips are easily swapped between different brands of computers
    ROM provides very large amounts of inexpensive data storage
    Data in ROM is nonvolatile, that is, it remains there even without electrical power
ANSWER= (C) Data in ROM is nonvolatile, that is, it remains there even without electrical power

 

11. Maximum n bit 2's complement number is 

     2" 
     2"-1 
    2n-1-1
ANSWER= (C) 2n-1-1

 

12. In computer terminology, the term wetware stands for

    Any organic intelligence
    Speech recognition
    Molecular scale computer

ANSWER= (A) Any organic intelligence

 

13. Adding 011011012 to 101000102 in 8-bit 2's complement binary will cause an overflow:

    True
    False
ANSWER= (B) False

 

14. Cray-11 is a

    Super computer
    Main frame computer
     Mini computer
ANSWER= (A) Super computer

 

15.___ is used to reduce cache hit time.

    Giving priority to read misses overwrite
    Early restart and critical word first
     Avoiding address translation during cache indexing
ANSWER= (C)  Avoiding address translation during cache indexing

 

16. In Reverse Polish notation, expression A*B+C*D is written asscussion

    AB*CD*+
     A*BCD*+
    AB*CD+*

ANSWER= (A) AB*CD*+

 

17. The conversion of (FAFAFA)16 into octal form is

    76767676
    76575372
    76737672
ANSWER= (B) 76575372

 

18. In signed-magnitude binary division, if the dividend is (11100) 2 and divisor is (10011) 2 then the result is

    (00100) 2
    (10100) 2
    (11001) 2
ANSWER= (B)(10100) 2

 

19. In a J-K Flip Flop the function K=J' is used to realize

     T-Flip-Flop
    S-R Flip-Flop
    D-Flip-Flop

ANSWER= (A) T-Flip-Flop

 

20.Which logic gate has the highest speed? 

    ECL
    TTL
    RTL
ANSWER= (C) RTL

 

21. Generally Dynamic RAM is used as main memory in a computer system as it

    Consumes less power 
    has higher speed
    has lower cell density
ANSWER= (B) has higher speed

 

22.Logic families of IC having dense packing density, simpler processing techniques and more economic operations are :

     TTL
    ECL
    CMOS
ANSWER= (C) CMOS

 

23. Write Through technique is used in which memory for updating the data

    Virtual memory
    Main memory
    Auxiliary memory
ANSWER= (D) Cache memory
EXPLAIN- CMOS (Complementary Metal Oxide Semi-Conductor) uses PMOS and NMOS transistors which are connected in a complementary fashion in all circuits and provides high packing density with simpler precessing technique & more economic operation.

 

24.Using an additional NOT gate, a JK flip-flop can be converted into

    T flip-flop
    RS flip-flop
     Master Slave flip-flop
ANSWER= (C) Master Slave flip-flop

 

25. Booth's algorithm for computer arithmetic is used for

     multiplication of numbers in sign magnitude form
     multiplication of numbers in 2's complement form 
     division of numbers in sign magnitude form
ANSWER= (B)  multiplication of numbers in 2's complement form 

 

26. RTL stands for:

    Random transfer language
     Register transfer language
    Arithmetic transfer language
ANSWER= (B)  Register transfer language

 

27.Sequential computer was improved from bit-serial to-

     Bit-parallel
     Byte serial
    Word-parallel
ANSWER= (C) Word-parallel

 

28 Von Newmann architecture is slow due to the ___ execution of instructions in a program.

    Sequential
    . Parallel
    Non-execution
ANSWER= (A)Sequential

 

29. The conversion (FAFAFB) 16 into octal form is

    76767676
    76575372
    76737672
ANSWER= (D) None of these

 

30.Fetch operations are not required in

    direct addressing
    indirect addressing
    immediate addressing
ANSWER= (C) immediate addressing




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