University of Sargodha BS 4** Term Examination 2015 Subject: Computer Science Paper: Computer Architecture (CS-4240) Time Allowed: 2:30 Hours istadni.co Maximum Marks: 80

University of Sargodha

BS 4** Term Examination 2015

Subject: Computer Science Paper: Computer Architecture (CS-4240)

Time Allowed: 2:30 Hours

istadni.co

Maximum Marks: 80

Objective Part

Compulsory

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Q. 1

Note: Attempt all questions each question carry equal marks? (16 x 2 =

32)

What is Write back policy?

-

Define Amdahl's Law.

-3.

Define Moore's law.

What is principle of locality? -

How can we measure performance of Computer system?

What is quantitative measurement of Computer system? -

Write any three issues may arise in instruction Pipeline.

L8

What are exceptions in Pipelining?

In memory hierarchy, where could we find Cache memory?

t0. Each block of main memory maps on to only single line of cache. True or false draw diagram to

support your answer.

1) What is Write through policy?

What is MIMD?

13. What is difference between vector and scalar data?

fath

t4. What are threads in Computers?

t5. Can threads improve performance of the system?

fetch

calculat

16. What are predictions?

sto

Subjective: (4x12 =

48)

Note: Attempt any four questions. All questions carry equal marks

9.2 Write a detail note on Cache Memory. What are Mapping functions and replacement

algorithms?

Q. 3 Write a detail note on Multiprocessor.

Q. 4 Write a detail note on Memory hierarchy design.

2. 5 Write a note on Instruction level Parallelism and dynamic handling of exceptions

2. 6 Write brief description of any five addressing modes of your own choice.

2. 7 Draw architecture of any Processor of your own choice.

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