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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Symbol 

(a) NAND gate                  (b) NOR gate
(c) NOT gate                     (d) XNOR gate

 

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To get an output 1 from the circuit shown in the figure, the input must be 


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

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The combination of the gates shown in the figure below produces 


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

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Which logic gate is represented by the following combination of logic gates 

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

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The output of OR gate is 1 

(a) If both inputs are zero

(b) If either or both inputs are 1

(c) Only if both input are 1

(d) If either input is zero

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Which gates is represented by this figure 

(a) NAND gate
(b) AND gate
(c) NOT gate
(d) OR gate

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Which of the following logic gate is an universal gate?

1. OR                       

2. NOT

3. AND                     

4. NOR

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In a crystal, the atoms are located at the position of

(a) Maximum potential energy

(b) Minimum potential energy

(c) Zero potential energy

(d) Infinite potential energy

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Types of semiconductors
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