Model Question Paper – Set 1 Computer Organization

 Model Question Paper – Set 1

Computer Organization

 

Section A (10 Questions)

MCQs

1. The brain of a computer is:

(a) Memory (b) CPU (c) I/O Unit (d) Bus

2. 1 Byte equals:

(a) 4 bits (b) 8 bits (c) 16 bits (d) 32 bits

3. 2’s complement of a binary number is obtained by adding ___ to 1’s complement.

(a) 0 (b) 1 (c) 2 (d) 10

4. Booth’s algorithm is used for:

(a) Addition (b) Division (c) Multiplication (d) Coding

5. JK flip-flop is an improvement over:     (a) SR (b) D (c) T (d) Master Slave

Fill in the blanks
6. Computer architecture refers to ______ while organization refers to implementation.
7. A group of 4 bits is called a ______.
8. Boolean expression simplification is done using ______ map.
9. Cache memory is placed between CPU and ______.
10. 8085 microprocessor has ______ bit data bus.

Section B (10 Questions)

1. Explain hardware–software interaction with a diagram.
2. Differentiate between computer organization and architecture.
3. Convert (101101)₂ into decimal and hexadecimal.
4. Explain 1’s and 2’s complement with examples.
5. Explain overflow in binary addition.
6. Write Boolean laws used in simplification.
7. Explain Half Adder and Full Adder.
8. Describe SR and JK flip-flops.
9. Explain modes of data transfer.
10. List the features of the 8085 microprocessor.

Section C (5 Questions)

1. Explain CPU components with block diagram.
2. Explain Booth’s multiplication algorithm with example.
3. Design a 4:1 multiplexer and explain working.
4. Explain memory hierarchy with diagram.
5. Explain 8085 pin configuration.

---