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Roll No. .................................. |
Sixth Semester [B.Tech] - February 2006
Paper Code : ETEC – 302 Subject : Microprocessor Systems - II |
Time : 11/2 Hours |
Maximum Marks : 30 |
Note : Attempt any 3 questions in all. Q1 is compulsory. Each question carries 10 marks. Assume the microprocessor to be 8086/8088 unless specified otherwise. Make suitable assumptions where necessary. |
Q1 |
( a ) |
Distinguish between the following instructions:
|
6 |
( b ) |
Explain the functions of the following instructions: 1) MOVS 2) LODS 3) AAS 4) AAM |
4 |
Q2 |
( a ) |
Discuss the meaning of pins whose definition depends on the state of MN/MX pin when MN/MX=1. |
8 |
( b ) |
Explain the difference between effective address and physical address. How is physical address calculated? | 2 |
Q3 |
( a ) |
Give the machine codes for the following instructions:
|
5 |
( b ) |
Write a program in assembly language for performing Bubble Sort. | 5 |
Q4 |
Write short notes on : |
10 |
|
( a ) |
Intel 80486 |
3 |
|
( b ) |
Assembler directives |
|
|
( c ) |
Register structure of 8086 |
|