23 March 2012

HPU question paper for CSE/IT



5667
B.Tech 6th Semester Examination
Advanced microprocessor & microcontroller (ECE)
Paper-EC-6003
Time Allowed: 3 Hours Maximum Marks: 100
Note: Attempt 5 questions in all, by selecting at least 1 question from each of section A, B, C, D and entire section-E.
Section-A

1. Draw the block diagram of internal architecture of 8086. Explained the function of each.
[20]
2. What is addressing modes? Explain the various addressing modes available in 8086 with suitable example.
[20]
Section-B

3. Discuss the format & function of various jump & loop instruction with example.
[20]
4. Write an assembly language program for keyboard detect, debounce encode procedure
[20]
Section-C

5. Draw the pin diagram of 80286. Explain his function of each pin in brief?
[20]
6. Discuss the operating mode of 80386 & 80486. Compare the important feature?
[20]
Section-D
7. Discribe the function of each block of internal architecture of 8051. [20]
8. Discuss:
a) Development system for micro controller.
b) Serial data I/O. [20]
Section-E
6. Explain:
a) What information appears on the address/data bus of the 8088 while ALE is active?
b) Purpose of interrupt flag.
c) Name the four general purpose data register of 8086.
d) Which register r called base register?
e) Explain the purpose of CAP pin in 80286.
f) Two difference between 80286 & 8086.
g) Two similarities between 80386 & 80486.
h) Purpose of end directives.
i) Difference between an intersegment & intrasegment jump.
j) How is the procedure identified as near or far? [20]

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