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Computer Science Set-1
Computer Organization and Architecture
21

Computer Organization and Architecture MCQ with Answers

21) Which of the following need extra hardware for DRAM refreshing ?

8085

Motorola-68000

Both 1) 8085 and 2) Motorola-68000

None of these

Answer is:

Both 1) 8085 and 2) Motorola-68000

Computer Organization and Architecture MCQ with Answers

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Related Computer Organization and Architecture MCQ with Answers

22) The idea of cache memory is based on

The property of locality of reference

The heuristic 90-10 rule

The fact that only a small portion of a program is referenced relatively frequently

None of these

Answer is:

The property of locality of reference

23) Property of locality of reference may fail, if a program has

Many conditional jumps

Many unconditional jumps

Many operands

Many Operators

Answer is:

Many operands

24) What is the correct sequence of time delays that happen during a data transfer from a disk to memory

Seek time, access time, transfer time

Seek time, latency time, transfer time

Access time ,Latency time, transfer time

Latency time, access time, transfer time

Answer is:

Seek time, latency time, transfer time

25) How many RAM chips of size (256K x 1 bit) are required to build 1M Byte memory

8

12

24

32

Answer is:

32

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