Computer Architecture Question Paper of 3rd Semester CSE74 Download Previous Years Question Paper 15

Roll No.

Total No. of Questions : 09

B.Tech.(CSE / IT) (Sem.–3rd) (2011 Batch)

COMPUTER ARCHITECTURE

Subject Code : BTCS 301

Paper ID : [A1123]

Time : 3 Hrs.

INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying

TWO marks each.

2. SECTION-B contains FIVE questions carrying FIVE marks each and

students has to attempt any FOUR questions.

3. SECTION-C contains THREE questions carrying TEN marks each and

    students has to attempt any TWO questions.

SECTION-A

l. Answer briefly :

(a) What do you mean by superscalar machines ?

(b) How do you distinguish between a PC and a multiprocessor system ?

(c) What do you understand by the term-Transaction processing

benchmarks ?

(d) Explain the difference between I/O channel and I/O processor.

(e) Distinguish Computer Architecture and Computer Organization on two

most important parameters.

(f) If P = 1101.110 and Q = 1110.1101 both binary perform P – Q by

2’s complement method.

(g) What is the difference between programming and microprogramming?

Justify with examples.

(h) Explain the role of Interpreter and in which situation we prefer it over

compiler.

(i) Explain the concept of pipelining.

(j) List the names of important buses used in computer systems .

SECTION-B

2. What should be the broad category of instruction which any computer system should have ? Explain each with examples.

3. Draw and explain the circuit of Look Ahead carry generator and show how it speeds up processing?

4. Write a detailed note on 8251.

5. What do you know about :

(a) Cost/benefit concept of layers in Architecture design.

(b) Memory hierarchy.

6. Explain :

(a) The concept of parallel & distributed computers.

(b) List the various memory devices used in computers and discuss the comparison of the important features of these devices.

SECTION-C

7. (a) What do you understand by hardwired and micro programmed control

units ? Discuss their relative merits and demerits.

(b) Discuss the features of SIMD and MIMD Machines.

8. List the various I/O data transfer modes/techniques. Explain each of them. Discuss their relative advantages and disadvantages.

9. Write notes on any two of the following :

(a) 8255

(b) RISC vs. CISC

(c) Virtual Memory

(d) Multiplication Algorithm for multiplying two binary numbers, each

having 4 bits.