Semester
Subject
Year
Credit:
Nikesh Dhimal
Nikesh DhimalTribhuwan University
Institute of Science and Technology
2080.1
Bachelor Level / First Year / Second Semester / Science
Bachelors in Information Technology (BIT151)
(Microprocessor and Computer Architecture)
Full Marks: 60
Pass Marks: 24
Time: 3 Hours
Candidates are required to give their answers in their own words as for as practicable.
The figures in the margin indicate full marks.
Section A
Long Answers Questions
Attempt any TWO questions.
[2*10=20]
1.
What is microprocessor? Draw a well labeled block diagram of 8085 microprocessor and explain its different components. [2+8]
2.
What are different instructions available in SAP 1 computer? Explain the fetch and execution cycle of LDA instruction of SAP 1 computer along with timing diagram. [5+5]
3.
What is micro-program and micro-instruction? Describe symbolic micro-program for instruction FETCH routine of basic computer. [4+6]
Section B
Short Answers Questions
Attempt any Eight questions.
[8*5=40]
4.
Write a program to perform 8 bit division of data stored in memory location 8050 by data stored in memory location 8051 and store the quotient in memory location 8052 and remainder in 8053 memory location. [5]
5.
Explain different logical micro-operations with example. [5]
6.
Explain the register organization of basic computer. [5]
7.
Explain memory hierarchy present in the computer system. [5]
8.
What is DMA? Explain the role of DMA controller in data transfer. [5]
9.
What is pipelining? Explain the four segment instruction pipelining. [5]
10.
Perform 2's complement multiplication of (15) x (-13) using Booth's Multiplication algorithm. [5]
11.
What is addressing mode? Explain different addressing modes in 8085 microprocessor. [5]
12.
Write short notes on: a) RISC b) Page Fault. [5]