OPERATING SYSTEM MCQS PART 11

OPERATING SYSTEM MCQS PART 11

1. The inverter is ……………
1. NOT gate        
2. OR gate            
3. AND gate            
4.None of the above
Answer : 1

2. The inputs of a NAND gate are connected together. The resulting circuit is ………….
1. OR gate        
2.AND gate            
3.NOT gate           
4.None of the above
Answer : 3

3. The NOR gate is OR gate followed by …………
1. AND gate    
2. NAND gate    
3. NOT gate   
4. None of the above
Answer : 3

4. The NAND gate is AND gate followed by …………………
1. NOT gate
2. OR gate
3. AND gate
4. None of the above
Answer : 1

5. Digital circuit can be made by the repeated use of ………………
1. OR gates  
2. NOT gates
3. NAND gates
4.None of the above
Answer : 3

6. The only function of NOT gate is to ……………..
1. Stop signal
2. Invert input signal
3.Act as a universal gate
4. None of the above
Answer : 2

7. When an input signal 1 is applied to a NOT gate, the output is ………………
1. 0  
2. 1
3. Either 0 & 1
4. None of the above
Answer : 1

8. In Boolean algebra, the bar sign (-) indicates ………………..
1. OR operation
2. AND operation
3. NOT operation
4. None of the above
Answer : 3

9. The resolution of an n bit DAC with a maximum input of 5 V is 5 mV. The value of n is …….
1. 8        
2.9              
3.10                         
4. 11
Answer : 3
 
10. 2’s complement of binary number 0101 is ………..
1. 1011                
2. 1111             
3.1101               
4. 1110
Answer : 1
Explanation: 1’s complement of 0101 is 1010 and 2’s complement is 1010+1 = 1011.