Boolean algebra is essentially based on 

(a) Truth                     (b) Logic
(c) Symbol                  (d) Numbers

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 The logic behind ‘NOR’ gate is that it gives

(a) High output when both the inputs are low

(b) Low output when both the inputs are low

(c) High output when both the inputs are high

(d) None of these

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A logic gate is an electronic circuit which 

(a) Makes logic decisions

(b) Allows electrons flow only in one direction

(c) Works binary algebra

(d) Alternates between 0 and 1 values

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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
(a) NOR                      (b) OR
(c) NAND                    (d) AND

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Which of the following gates will have an output of 1

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Which represents NAND gate

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What will be the input of A and B for the Boolean expression A+B¯·A·B¯=1
(a) 0, 0                            (b) 0, 1
(c) 1, 0                            (d) 1, 1

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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
(a) A = 0, B = 0                         (b) A = 1, B = 1
(c) A = 1, B = 0                         (d) A = 0, B = 1

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The Boolean equation of NOR gate is 
(a) C = A + B               (b) C=A+B¯ 
(c) C=A·B                 (d) C=A.B¯

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This symbol represents 


(a) NAND gate
(b) OR gate
(c) AND gate
(d) NOR gate

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