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Digital Electronics

Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 OR
 NAND
 none of these
 AND

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Digital Electronics
X OR X' will result

 X
 1
 X'
 0

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Digital Electronics
A bubbled OR gate is equivalent to a

 AND gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Both A and B
 Combinational
 None

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

NOT operation
None of these
AND operation
OR operation

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 1
 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0
 A = 1, B = 0, C = 1

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