CAM Model Question 1

Group A

Very Short Answer Questions

Attempt all the questions. Give your answer in a few lines.  [10*2=20]

1. Define stored program concept.

2. List the various flags used in 8085 microprocessors.

3. Write an 8085 instruction to subtract 05H from the accumulator.

4. What are opcodes, operands and instructions? Give examples.

5. List two examples of arithmetic micro-operations.

6. If A=101101, what is the value of A after performing a circular shift Right?

7. What is the purpose of the FETCH micro-operation?

8. Define signed magnitude representation.

9. What is Direct Memory Access (DMA)?

10. What is the purpose of instruction pipelining?

Section B

Descriptive Answers Questions

Attempt any five questions. [5×10=50]

1. Describe the functional block diagram of the 8085 microprocessor.

2. Write an 8085 assembly language program to add two numbers located at 2030H and 2040H. Store the sum in the address 2050H.

3. Explain arithmetic micro-operations with suitable examples.

4. Differentiate between RISC and CISC architecture. 

5. Perform Multiplication (-7)*(3) using the booth algorithm.

6. Explain character-oriented and bit-oriented protocols with examples.

7. Explain Flynn’s classification of computer architectures with examples.

Section C

Case Study

Attempt any two questions. [2×15=30]

1. Explain the components of SAP 1 computer with its block diagram. 

2. Write a program to multiply two 16 bit numbers and explain each step.

3. Explain the working of a 4-bit adder-subtractor circuit with a suitable diagram.