Microprocessor System, Question Paper of Bsc.IT 4th Semester, Download Previous Years Question Paper 5

Roll No. .................

Total No. of Questions : 07

B.Sc. (IT) (Sem.–4)

MICROPROCESSOR SYSTEM

Subject Code : BS-206

Paper ID : [B0415]

INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.

2. SECTION-B contains SIX questions carrying TEN marks each and students has to attempt any FOUR questions.

SECTION-A

1.

a) Differentiate between Digital Signals and Analog Signals.

b) Why address bus is unidirectional?.

c) Differentiate between static RAM and dynamic RAM.

d) What is the importance of RISC Processors?

e) Give two examples of branch instructions in 8085.

f) What is a flag? List all the commonly used flags in 8086.

g) Explain operand and opcode.

h) What do you understand by memory system reliability?

i) Explain concept of machine language.

j) What is the use of HOLD and HLDA signals?

SECTION-B

2. Explain opcode fetch Machine cycle of microprocessor 8085 with the help of timing diagram.

3. Discuss the historical background of microprocessors.

4. Define register addressing mode and immediate addressing mode in 8085 with suitable examples.

5. What is a BCD code? What are its advantages and disadvantages?

6. Name and discuss the various types of semiconductor memories.

7. With a neat diagram, discuss the internal architecture of 8085 microprocessor.