BCA 2nd Semester
Microprocessor & Computer Architecture Board Question Paper 2019

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Tribhuvan university

Bachelor In Computer Application

Course Title: Microprocessor & Computer Architecture

Code No: CACS 155

Semester:II

2019

Full Marks:60 Pass Marks:24 Time:3 hours

Candidates are required to answer the question in their own words as far as possible.

Group A
Group B
Attempt any SIX question.
[6x5=30]
2.

Explain the bus organization of 8085 microprocessor.

3.

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

4.

Explain 8085 instruction addressing mode with example.

5.

Explain the memory hierarchy with diagram.

6.

Explain the organization of Microprogrammed Control Unit.

7.

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

8.

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

Group C

Attempt any TWO questions

[2x10=20]
9.

Explain the functional block of 8085 microprocessor.

10.

Explain the design and control logic of Accumulator.

11.

Explain the different data transfer and manipulation instruction with example.