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

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 are the salient features of 8-bit microprocessor?

b) Differentiate between instruction cycle and machine cycle.

c) What is the need of interrupt in computer hardware design?

d) How is instruction different from microinstruction?

e) Who controls the buses in Computers and how?

f) List some properties of computer instruction.

g) What arc I/O channels?

h) What do you understand by micro-codes?

i) Explain the difference Static RAM and Dynamic RAM.

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

Section - B

Q2) (a)  Discuss the importance ofmemory reference instructions in computers with examples.

       (b)  What are the advantages and disadvantages of memory qnd I/O ports? Also explain their                     working.

Q3) Differentiate between the following :

        (a) Micro-programmed and hard-wired control unit.

        (b) Addressing modes.

Q4) What do you understand by instructions format? Explain the types of instruction format and give atleast 3 examples of each. Also give the difference between instructions format and instruction set.

Q5) What do you understand by memory hierarchy? Explain why do we have different types of memory in a computer system

Q6) What is the advantage of Interrupt driven I/O over programmed l/O? Explain daisy chaining in detail.

Q7) Briefly describe the stack organization in CPU.