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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 three
 two
 one
 four

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Digital Electronics
The complement of a function A is

 Ā
 1
 0
 A

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Digital Electronics
Truth table is used to express

 Boolean map
 Boolean expression
 Boolean addition
 Boolean matrix

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1101
 0100 1110 0010 1101
 0100 1111 0010 1100
 0101 1111 0010 1100

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Digital Electronics
A multiplexer is a

 1-to-N device
 1-to-1 device
 N-to-N device
 N-to-1 device

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 inverter
 tri-state
 unstable state
 trigger

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