PG TRB COMPUTER INSTRUCTOR GRADE 1 STUDY MATERIAL - 08 - THAMIZHKADAL.IN

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Monday, September 27, 2021

PG TRB COMPUTER INSTRUCTOR GRADE 1 STUDY MATERIAL - 08

1. The universal gate is ...............

A.  NAND gate

B.  OR gate

C.  AND gate

D.  None of the above

2. The inverter is ......

A.  NOT gate

B.  OR gate

C.  AND gate

D.  None of the above

3. The inputs of a NAND gate are connected together. The resulting circuit

A.  OR gate

B.  AND gate

C.  NOT gate

D. None of the above

4. The NOR gate is OR gate followed by ..................

A.  AND gate

B.  NAND gate

C.  NOT gate

D.  None of the above

5. The NAND gate is AND gate followed by .....................

A.  NOT gate

B.  OR gate

C. AND gate

D.  None of the above

6. Digital circuit can be made by the repeated use of ..................

A.  OR gates

B.  NOT gates

C.  NAND gates

 D.  None of the above

7. The only function of NOT gate is to .................

A.  Stop signal

 B.  Invert input signal

C.  Act as a universal gate

D.  None of the above

8. When an input signal 1 is applied to a NOT gate, the output is ..................

A.  0

B.  1

C.  Either 0 & 1

D.  None of the above

9. In Boolean algebra, the bar sign (-) indicates ....................

A.  OR operation

B.  AND operation

C.  NOT operation

D.  None of the above

10. The resolution of an n bit DAC with a maximum input of 5 V is 5 mV. The value of n is .......

A.  8

B.  9

C. 10

D.  11

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