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Digital Electronics

Digital Electronics
Which number system has a base of 16

 Hexadecimal
 Octal
 None
 Decimal

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 1 and 4
 0 and 4
 0 and 3

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NOR or an X-NOR
 a NAND or an X-NOR
 a NAND or an X-OR
 a NAND or an AND

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 5
 6
 3
 4

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Digital Electronics
A digital circuit that can store on bit is a

 registor
 XOR gate
 flip-flop
 gate

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NAND
 NOR
 OR

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