Anna University , Chennai
B.E./B.TECH DEGREE EXAMINATION , NOV/DEC 2013
Fifth Semester
Electronics and Communication Engineering
EC 2304 - Microprocessor and Microcontroller - Important Questions
(Regulation 2008)
Exam Details :
Exam Date : 26 November, 2013
Day : Tuesday Morning(10AM -1PM)
Exam Date : 26 November, 2013
Day : Tuesday Morning(10AM -1PM)
Vidyarthiplus.com Important Questions For November/Decemer-2013 Exam
EC 2304 – Microprocessor and Microcontroller
Part – B : 16 marks1. Draw the internal architecture of 8085 processor and explain the functions of each block in detail.
2. Enumerate the addressing modes of 8085 and 8086 instruction set with suitable examples for each.
3. Explain the 8086 interrupt types in detail.
4. (i) With a neat block diagram explain the architecture of an 8085 Microprocessor?
(ii) List out the Mask able and Non – Mask able interrupts available in an 8085 processor.
5. Draw the architecture of 8086 processor and explain its functions in detail.
6. Write about :
(a) Instruction sets of 8086.
(b) Addressing modes of 8086.
7. Explain how instruction pipeline works in 8086 and mention how it helps in improving CPU’s performance.
8. Write a short notes on :
(a) Interrupts and Interrupt service routines.
(b) Instruction sets of 8086.
9. Explain the operating modes of the 8255 programmable peripheral interface.
10. Describe the architecture and working of 8253 timer.
11. Explain the 8279 keyboard and display controller with a neat sketch.
12. Explain the I/O mode operation of 8025in detail.
13. Explain the working of the 8051 microcontroller. Give a neat sketch.
14. Describe the function of major hardware components of 8051 microcontroller?
15. Explain the memory organization of 8051.
16. Describe the architecture and working of 8053 timer.
17. In Unit-5 : Conform Questions : (a) Microcontroller based System Design like 1.Washing Machine , Traffic Light and Stepper motor any one will come in 16 marks.
18. Explain about interfacing microcomputer port to dc high power device and ac high power device in detail with an example for each
"All the best"
