Microprocessor | Exam Paper | 2074 [2018] | RE-COE601 | SEE

microprocessor exam question paper 2074-2018 re-coe601 see

DR Gurung

- April 25, 2018 July 02, 2023

SEE - 2074 (2018)
MICROPROCESSOR
RE-COE601
Time: 1hr 15 minutes
Full Marks: 40

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Candidates are required to give their answer according to the given instructions.

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Group 'A'

Attempt any ten questions. [10x1=10]

1. How many transistors were used in first microprossor-4004?
2. Define input and output device?
3. Define CPU.
4. How many T-states are present in MOV M, B?
5. Define instruction cycle.
6. Name any two general purpose register in 8085.
7. Which signal is present in Vcc and Vss?
8. Write down any two example of data transfer instruction.
9. Write down the operation of MOV A, B.
10. Define interrupts.
11. Define maskable interrupts.
12. What is serial communication?
13. Define Asynchronous mode.

Group 'B'

Attempt any five questions. [5x2=10]

14. Draw and explain the basic organisation of microprocessor.
15. Which bus is called bidirectional? Why?
16. Identify the total number T-states when the following instruction is executed?
SUB B
ADI 47H
STA 2050H
17. What is flag register? How do we specify them?
18. Write a program to add 30H in Register B and 39H in register C and
display the result at output port 01H.
19. Write any two application of DMA.
20. Draw a 9-pin configuration of RS 232.

Group 'C'

Attempt any five questions. [5x4=20]

21. Explain the process of data flow from Memory to Microprocessor (MPU) with suitable diagram.
22. Sketch the timing diagram of STA 2005.
23. Explain the addressing modes in 8085.
24. The following blocks of data is stored in the memory locations from xx55H to xx5AH. Transfer the data to the location xx80H to xx85H in the reverse order.
Data (H) 22, A5, B2, 99, 7F, 37
25. Write a program to find the smallest number in a data array from C001H to C005H and store result in COCOH.
26. Explain strobe I/O and Double Handshake I/O with necessary diagram.

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DR Gurung

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