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Digital Electronics

Digital Electronics
Which of the following is a digital device

 Microphone
 Regulator of a fan
 Light switch
 Resistance of a material

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Digital Electronics
A single flip-flop can be cleared (reset) to

 Both A and B
 1
 None
 0

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Digital Electronics
The binary code of (21.125)10 is

10101.01
10100.001
10101.001
10100.111

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 0
 inputs are left open
 one input is set to 1
 all inputs are connected together

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Digital Electronics
Truth table is used to express

 Boolean matrix
 Boolean expression
 Boolean map
 Boolean addition

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Digital Electronics
A 16-square eliminates

 4 variables
 2 variables
 8 variables
 3 variables

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MORE MCQ ON Digital Electronics

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