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Digital Electronics

Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NAND
 X-OR
 NOR
 AND, OR, and NOT

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 1
 4
 2
 any number

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Digital Electronics
Which of the following gates is known as a coincidence detector?

 NAND gate
 X-NOR gate
 AND gate
 X-OR gate

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 NOT gate followed by a NOR gate
 X-OR gate followed by an inverter
 complement of a NOR gate
 inverter followed by an X-OR gate

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 T flip-flop
 K flip-flop
 Shorted JK flip-flop
 SR flip-flop

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Digital Electronics
A half adder is a ________ circuit.

 Both A and B
 None
 Combinational
 Sequential

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