Tribhuvan University
Bachelor of Information Technology
Semester 2 · TU Board 2078
Course Title: Microprocessor and Computer Architecture (BIT151)
Full Marks: 60Pass Marks: 24Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
Group A
Attempt any Two questions.(2 × 10 = 20)
- 1.10
Explain the components of SAP 1 computer with its block diagram. How is it different from SAP 2 computer?
- 2.10
What are different types of instructions available in 8085 microprocessor? Write a program to find smallest element of an array: (Assume all the necessary data and memory location).
- 3.10
Explain the instruction format of basic computer. Differentiate between RISC and CISC computer.
Group B
Attempt any Eight questions(8 × 5 = 40)
- 4.5
Explain arithmetic micro-operations with suitable examples.
- 5.5
What is micro-program? Write symbolic microprogram for FETCH operation.
- 6.5
Explain hardware implementation and algorithm for subtraction and addition of signed magnitude data with suitable diagram.
- 7.5
Explain about memory hierarchy in computer.
Answer comingAlso asked in 2080
- 8.5
Explain the basic architecture of microprocessor based system.
- 9.5
What is flag? What are different flags available in 8085 microprocessor?
- 10.5
Explain arithmetic pipeline with suitable example.
- 11.5
What is the function of I/O interface? Differentiate between Isolated I/O and memory mapped I/O.
- 12.5
Write short notes on (any two): a. Control ROM b. Magnetic Disk c. Flynn's Classification
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