Computer System Architecture Question Paper of 3rd Semester BCA Download Previous Years Question Paper 4

Roll No.

Total No. of Questions : 07

BCA (Sem.–3rd)

COMPUTER SYSTEM ARCHITECTURE

Subject Code : BC-403

Paper ID : [B0226]

Time : 3 Hrs.      

INSTRUCTION TO CANDIDATES :

1. Section-A is compulsory.

2. Attempt any Four questions form Section-B.

SECTION-A

Q1)

a) What is an Instruction code? Explain.

b) What are Computer registers? List various types of computer registers.

c) Define Memory reference instruction.

d) What is an Instruction format? Explain with an example.

e) What is VO port? Explain its use.

D What is Cache memory? Explain.

g) Define the term computer organization and computer architecture.

h) What is stack? Give one example....

i) Explain the difference Static RAM and Dynamic RAM.

j) What is timing diagram? Explain with an example.

Section -B

Q2) What is an Instruction cycle? Draw and explain flowchart for instruction cycle.

Q3) What is control unit? Explain its functions? Explain how micro programmed control unit is different from hardwired control unit.

Q4) What is memory hierarchy? Explain different type of computer memories with their advantages and disadvantages.

Q5) What is microprocessor? Explain the architecture of 8-bit microprocessor.

Q6) Write a note on:

           (a) Auxiliary memory

           (b) Associative memory

           (c) Opcode

           (d) Memory mapping

Q7) What are addressing modes? Explain various addressing mode by taking suitable example.