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ISRO CS 2019 : Comp. Organisation Booster Quiz 2

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Question 1

How many 128

8 bit RAMs are required to design 32K

32 it RAM?

Question 2

The term MOSFET(Metal Oxide Semiconductor Field Effect Transistor) have the ability to operate within three different regions they are ______________
A) Cut-off Region
B) Linear Region
C) Magnetic Region
D) Saturation Region

Question 3

Consider the term non vectored interrupt, choose which one of the following is not an example of an vectored interrupt

Question 4

How many bytes and cycles are needed to store and execute this program by using RET INSTRUCTION
RET
PC15-8 = (SP)
SP = SP - 1
PC7-0 = (SP)
SP = SP - 1

Question 5

The use of multiple register windows with overlap causes a reduction in the number of memory accesses for
1.Function locals and parameters
2.Register saves and restores
3.Instruction fetches

Question 6

A pipeline P operating at 400 MHz has a speedup factor of 6 and operating at 70% efficiency. How many stages are there in the pipeline?

Question 7

Consider the terms, Match the following with respect to their definations

Question 8

A cache memory needs an access time of 30 ns and main memory 150 ns, what is the average access time of CPU (assume hit ratio = 80%)?

Question 9

Suppose

= hit rate of primary cache

= hit rate of secondary cache

= primary memory hit latency

= secondary memory hit latency
M = time to access information in the main memory
What is the avg. memory access time experienced by the CPU in this system of two levels of cache?

Question 10

When the process is returned after an interrupt service _______ should be loaded again
i) Register Contents
ii) Stack Contents
iii) Condition Codes
iv) Return Address

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