Microprocessor and Computer Architecture - Unit Wise Questions

1. How many number of pins are there in 8085 Microprocessor?

a) 16    b) 20    c) 32    d) 40

11. Explain the Bus organization of 8085 Microprocessor.

12. Explain the opcode fetch machine cycle for MVI A, 32H with timing diagram.

2. Which one of the following interrupt has the highest priority?

a) RST7.5    b) TRAP    c) RST6.5    d) RST5.5

3. How many bytes make a word of 32 bits?

a) One Byte    b) Two Bytes    c) Three Bytes    d) Four Bytes

13. Explain the 8085 Instruction addressing modes with example.

14. Explain the memory hierarchy with diagram.

4. Which one of the following flag has set or reset value on the basis of even or odd number of 1’s in result?

a) Zero    b) Carry    c) Parity    d) Sign

15. Explain the organization of Microprogrammed Control Unit.

5. What is the size of MOV B, A instruction in 8085 Microprocessor?

a) One Word    b) Two Word    c) Three Word    d) Four Word

6. Which one of the following bit(s) specify the direct or indirect address?

a) Address bits    b) Opcode Bits    c) Mode Bit    d) Control Word

16. Define control word. Explain the procedure for generating control word for specific operation.

17. Define instruction pipeline. Explain the four-segment instruction pipeline with example.

7. Which one of the following term is correct for the process of transformation of the instruction code bits to an address in control memory where the routine is located?

a) Mapping    b) Pipelining    c) Sequencing    d) Acknowledging

8. Which one of the following is not a logical and bit manipulation operation?

a) Enable Interrupt    b) Increment    c) Clear Carry    d) Clear

9. Which one of the following is not the pipelining hazard?

a) Data dependency    b) Resource conflict    c) Branch conflict    d) Interrupt Hazard

10. Which one of the following organization of parallel processing is only a theoretical interest since no practical system has been constructed?

a) SISD    b) SIMD    c) MISD    d) MIMD

18. Explain the functional block diagram of 8085 Microprocessor.

19. Explain the design and control logic of Accumulator.

20. Explain the different data transfer and manipulation instructions with example.