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Digital Electronics

Digital Electronics
A flip flop is a _______ circuit.

 Sequential
 Combinational
 Both A and B
 None

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 3
 6
 9
 8

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Digital Electronics
A multiplexer is a

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

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 m – 1 literals less than the total number of variables
 n – m literals
 n + m literals

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

 unstable state
 trigger
 tri-state
 inverter

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 AND
 NOR
 NAND
 X-NOR

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MORE MCQ ON Digital Electronics

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