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

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

Q.1.(a) Define computer architecture.

(b) Parallel computers.

(c) Differentiate between RAM and ROM.

(d) Note on ENIAC.

(e) Define virtual memory.

(f) What is an I/O processor?.

(g) Machine language Vs Assembly Language.

(h) What is instruction format.?

(i) What is hit ratio?. (j) Define micro-operations.

Section –B

Q2. (a) Write a note on generation of computer.

(b) What are buses? What are the various buses available in a computer system?

Q3. (a) Discus any five memory reference instructions with example.

(b) Define registers.? What is use of Program Counter, Status Register and Stack Point

Q4. (a) What are interrupts? Explain the various types of interrupts.

(b) Explain how PUSH and POP operations are performed in stack?

Q5. (a) What is DMA? What is its significance?.

(b) Explain the Arithmetic and Circular Shift Operations with the help of an example?

Q6.Discus in detail the instruction cycle with the help of diagram and flowchart.

Q7. (a) What is memory hierarchy? Why we follow hierarchical memory system?.

(b) Define RISC and CISC.