Computer System Architecture Question Paper of 3rd Semester BSC(IT) Download Previous Years Question Paper 5

Roll No.

Total No. of Questions : 07

B.Sc. (IT) (Sem.–3rd)

COMPUTER SYSTEM ARCHITECTURE

Subject Code : BS-201

Paper ID : [B0409]

Time : 3 Hrs.

INSTRUCTION TO CANDIDATES :

1. Section –A, is Compulsory.

2. Attempt any four questions from Section-B.

Section –A

1) Explain the following.

a) Explain the steps involved in an instruction cycle.

b) Give examples of data manipulation instruction.

c) Explain Isolated I/O and Memory mapped I/O

d) Write note on handshaking.

e) Write note on memory reference instructions.

f) What is the role of program counter?

g) What do you mean by paging?

h) Differentiate between hardwired and micro-programmed control unit.

i) Differentiate between internal and external interrupts.

j) What is memory stack?

SECTION-B

2.Compare various addressing modes of computer system architecture. Discuss it write some example.

3. Discunvarious modes of data transfer Explain DMA in detail.

4. What are computer registers? Explain how registers can be connected t common bus with the help of  load instruction.

5. Why is cache memory needed? Explain the working of set associative mapping in cache memory.

6 a) write note on CPU_IOP communication.

   b) What are the various instruction formats? Explain any one of them.

7. Explain about the evolution of computer.