Semester
Subject
Year
Credit:
Eli Tamang
Eli TamangTribhuwan University
Institute of Science and Technology
2081
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.
Draw the block diagram of 8085 microprocessor and define its components. [10]
2.
Explain the architectural difference between SAP 1 and SAP 2 computer? Explain all the addressing modes of 8085 microprocessor with suitable example. [5+5]
3.
Differentiate between RISC and CISC architecture. Represent ($88_{10}) in signed magnitude, 1's complement and 2's complement format. [5+5]
Section B
Short Answers Questions
Attempt any Eight questions.
[8*5=40]
4.
Write an assembly language program to swap the content of memory location 8000H and 9000H using 8085 microprocessor instructions. [5]
5.
Explain different arithmetic and binary micro-operations in brief. [5]
6.
What is control unit? Compare between microprogrammed and hardwired control unit. [5]
7.
What is micro program? Write symbolic microprogram for FETCH operation. [5]
8.
What is pipelining? Explain about 4 segment instruction pipelines. [5]
9.
Explain the working procedure of Booth Multiplication algorithm. [5]
10.
Explain about memory hierarchy in computer system. [5]
11.
Differentiate between I/O mapped (isolated) I/O and memory mapped I/O. [5]
12.
Write short notes on (any two): a) DMA b) Flags in 8085 Microprocessor c) Instruction set. [5]