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Digital Electronics

Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n
2n-1
22n
2n

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Digital Electronics
The most suitable gate for comparing two bits is

 X-OR
 NAND
 AND
 OR

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Digital Electronics
What is the gray code for the binary 101011?

 110101
 101011
 111110
 011111

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

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

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 All inputs are LOW
 The inputs are different
 All inputs are HIGH

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 NOR-OR
 AND-OR
 XOR-NAND
 AND-AND

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MORE MCQ ON Digital Electronics

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