Q. No.1: Encircle the correct answer:

1. Computer Organization can be defined as:

(a) The way software modules are explained

2. The way hardware components operate and connected together
3. The way how integrated circuits are manufactured
4. The way how I/O devices are connected together

2. The logic gate which can compare two binary strings:

1. AND
2. OR
3. NAND
4. XOR

3. The simplification of following Boolean function,

ABC + CDE + ABC + CDE will be:

1. ABC + CDE
2. ABC + CDE
3. ABC + CDE
4. ABC + CDE

4. The input variables of half adder are called:

1. SUM and CARRY
2. AUGEND and ADDEND
3. INPUT1 and INPUT2
4. None of these

5. Sequential circuits consists of:

1. Logical gates
2. Binary variables
3. Storage elements

(d) Sequential elements

6. The flip-flop is a cell that is capable of storing how many bits of information?
   1. Four
   2. Three
   3. Two
   4. One

7. The decoder is a combinational circuits that converts binary information from the n coded input to a maximum of unique outputs.
   1. m outputs
   2. 2ⁿ outputs
   3. 2ⁿ⁺¹ outputs
   4. n2ⁿ outputs

8. A register is a:
   1. Group of binary numbers
   2. Group of logical variables
   3. Group of flip-flops
   4. Group of numerical variables

9. A digital system is an interconnection of :
   1. Software modules
   2. Hardware modules
   3. Binary modules
   4. Logical modules

10. Digital modules can best be defined as:
    1. Logical variables
    2. Arithmetic variables
    3. Registers
    4. Flip-flops

11. The statement P : R2 R1 can be described as :
    1. Transfer the contents of R2 to R1 when P = 1
    2. Transfer the contents of R1 to R2 when P = 0
    3. Transfer the contents of R1 to R2 when P = 1
    4. Transfer the contents of R2 to R1 when P = 1

12. In register transfer language, the READ operation from memory can be stated as :
    1. R3 R1 + R2
    2. M[AR] R1
    3. R1 R2
    4. R1 M[AR]