Computer Organization and Architecture mcq with Answers Set -2
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
2. The circuit used to store one bit of data is known as
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Register
Encoder
Decoder
3. Cache memory acts between
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CPU and RAM
RAM and ROM
CPU and Hard Disk
4. Normally digital computers are based on
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AND and OR gates
NAND and NOR gates
Not gate
5. When signed numbers are used in binary arithmetic, then which one of the following notations would have unique representation for zero ?
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Sign Magnitude
1's complement
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
7. Which of the following logic families has the maximum functional capacity?
-
VLSI
LSI
MSI
8.Subtractor can be implemented using
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adder
complementer
both (a) & (b)
9. Floating point representation is used to store ______.
-
Boolean values
whole numbers
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
11. Maximum n bit 2's complement number is
-
2"
2"-1
2n-1-1
12. In computer terminology, the term wetware stands for
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Any organic intelligence
Speech recognition
Molecular scale computer
13. Adding 011011012 to 101000102 in 8-bit 2's complement binary will cause an overflow:
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True
False
14. Cray-11 is a
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Super computer
Main frame computer
Mini 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
16. In Reverse Polish notation, expression A*B+C*D is written asscussion
- AB*CD*+
A*BCD*+
AB*CD+*
17. The conversion of (FAFAFA)16 into octal form is
-
76767676
76575372
76737672
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
19. In a J-K Flip Flop the function K=J' is used to realize
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T-Flip-Flop
S-R Flip-Flop
D-Flip-Flop
20.Which logic gate has the highest speed?
-
ECL
TTL
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
22.Logic families of IC having dense packing density, simpler processing techniques and more economic operations are :
-
TTL
ECL
CMOS
23. Write Through technique is used in which memory for updating the data
-
Virtual memory
Main memory
Auxiliary 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
25. Booth's algorithm for computer arithmetic is used for
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multiplication of numbers in sign magnitude form
multiplication of numbers in 2's complement form
division of numbers in sign magnitude form
26. RTL stands for:
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Random transfer language
Register transfer language
Arithmetic transfer language
27.Sequential computer was improved from bit-serial to-
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Bit-parallel
Byte serial
Word-parallel
28 Von Newmann architecture is slow due to the ___ execution of instructions in a program.
-
Sequential
. Parallel
Non-execution
29. The conversion (FAFAFB) 16 into octal form is
- 76767676
76575372
76737672
30.Fetch operations are not required in
-
direct addressing
indirect addressing
immediate addressing
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