B.Sc Electronics 6th Sem MICROPROCESSOR(Acharya Nagarjuna University (ANU), Guntur, Andhra Pradesh-2012)

B.Sc. DEGREE EXAMINATION, MAY 2012.
(Examination at the end of Final Year)
Electronics
Paper IV — MICROPROCESSOR
Time : Three hours Maximum : 100 marks
Answer any FIVE of the following.
All questions carry equal marks.
1. (a) Explain various types of memory.
(b) Distinguish between microprocessor and computer.
2. Give the architecture of 8085 up.
3. (a) Explain software interrupts of CPU.
(b) Explain I/O mapped I/O.
4. (a) Write on assembly language program for 8-bit addition.
(b) Explain debugging.
5. (a) Write an assembly language program for a time delay of 1000 milli sec.
(b) What is a subroutine?
6. Explain PIC – 8259 with necessary diagram.
7. Explain PPI – 8255 with necessary diagram.
8. Explain A to D conversion in detail.
9. (a) Explain computer Graphics.
(b) Explain open loop controls.
10. Explain solar tracking system in detail