BITM 3rd Semester
Microprocessor And Computer Architecture Board Question Paper 2023

TRIBHUVAN UNIVERSITY
FACULTY OF MANAGEMENT
Office of the Dean
September - October 2023
Full Marks:60 Pass Marks:30 Time:3 Hrs.
BIM /
Third Semester /
IT 236:
Microprocessor And Computer Architecture

Candidates are required to give their answers in their own words as for as practicable.
The figures in the margin indicate full marks

Long Answer Questions
Section "A"

Brief Answer Questions:

[10 × 1 = 10]
1.

List out the components of microprocessor.

2.

Name the Pin that are used for DMA operation in 8085 microprocessor.

3.

Define operation code.

4.

Differentiate between shift right and arithmetic shift right operation.

5.

What is data transfer instruction?

6.

What is data dependency problem in pipelining system?

7.

Define relative addressing mode.

8.

Why we need I/O interface?

9.

What is the limitation of Associative memory?

10.

Write down microopration for POP operation in register stack.

Section "B"

Short Answer Questions: (Attempt any FIVE Questions)

[5 × 3 = 15]
11.

Explain any two types of priority interrupt.

12.

Illustrate and explain the bus structure of microprocessor system.

13.

Describe any three addressing mode available in 8085 microprocessor.

14.

Illustrate and explain the importance of memory hierarchy.

15.

Describe 4-bit binary incrementer with its block diagram.

16.

What are the differences between RISC and CISC architecture.

Section "C"

Long Answer Questions: (Attempt any THREE Questions)

[3 × 5 = 15]
17.

Explain the concept of associative mapping and direct mapping.

18.

Write an assembly language program for addition of two 8-bit binary number and after addition the sum should be store in memory location 3040H.

19.

Illustrate and explain arithmetic pipeline for addition of two floating point binary number.

20.

Explain strobe control method for Asynchronous Data Transfer.

Section "D"

Comprehensive Answer / Case / Situation Analysis Questions:

[2 × 10 = 20]
21.

Explain the internal architecture of 8085 microprocessor with its functional block diagram.

22.

What is divide overflow? Divide +(16)10 by -(3)10 using any one of the division algorithm.