Indian Institute of Technology Mumbai (IIT-M) 2007 M.C.A micro processor - Question Paper

PART A - (5 x five = 25 marks)

ans ALL ques..
All ques. carry equal marks.

1. (a) What is a CPU? What does it contain? Briefly discuss every component.

Or

(b) discuss the function of the accumulator, memory address register and the stack pointer.

2. (a) discuss the function of the subsequent pins in 8085 : M/IO, WR READY.

Or

(b) What happens when a XCHG instruction is executed in 8085.

3. (a) discuss the different interrupts in 8051.

Or

(b) discuss the different flags in 8086.

4. (a) What is a UART? How is it used?

Or

(b) What is a modem? Where and how is it used?

5. (a) Distinguish ranging from top-down design and bottom-up design.

Or

(b) How are designs tested for microprocessor based products?

PART B - (5 x 10 = 50 marks)
ans any 5 ques..
All ques. carry equal marks.

6. Trace the development of the microprocessor and its support circuits.

7. How is the instruction set of 8085 classified? discuss with examples.

8. Write an assembly language program to obtain the avg. of sixteen numbers stored in successive memory locations.

9. define the different registers obtained in the 8051 microcontroller.

10. With a neat diagram discuss the architecture of the 8086 microprocessor.

11. What is a USART? With a block diagram discuss the architecture of any 1 USART.

12. define the construction and working of any 1 input device used with a microprocessor.

13. discuss in detail the design of any 1 microprocessor based traffic controller.

Earning:   Approval pending.