The logic behind the ‘NOR’ gate is that it gives

(1) High output when both the inputs are low

(2) Low output when both the inputs are low

(3) High output when both the inputs are high

(4) None of these

Subtopic:  Logic gates |
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A logic gate is an electronic circuit which 

(1) Makes logic decisions

(2) Allows electrons flow only in one direction

(3) Works binary algebra

(4) Alternates between 0 and 1 values

Subtopic:  Logic gates |
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A gate has the following truth table 
P 1 1 0 0
Q 1 0 1 0
R 1 0 0 0

The gate is

(1) NOR

(2) OR

(3) NAND

(4) AND

Subtopic:  Logic gates |
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Which of the following gates will have an output of 1

1. 

2. 

3. 

4. 

Subtopic:  Logic gates |
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Which represents NAND gate

1. 

2. 

3. 

4. 

Subtopic:  Logic gates |
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What will be the input of A and B for the Boolean expression A+B¯·A·B¯=1

(1) 0, 0

(2) 0, 1

(3) 1, 0

(4) 1, 1

Subtopic:  Logic gates |
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If A and B are two inputs in AND gate, then AND gate has an output of 1 when the values of A and B are

(1) A = 0, B = 0

(2) A = 1, B = 1

(3) A = 1, B = 0 

(4) A = 0, B = 1

Subtopic:  Logic gates |
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The Boolean equation of NOR gate is 

(1) C = A + B

(2) C=A+B¯ 

(3) C=A·B 

(4) C=A.B¯

Subtopic:  Logic gates |
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This symbol represents 


(1) NAND gate

(2) OR gate

(3) AND gate

(4) NOR gate

Subtopic:  Logic gates |
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Symbol 

(1) NAND gate

(2) NOR gate

(3) NOT gate

(4) XNOR gate

 

Subtopic:  Logic gates |
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