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Digital Electronics

Digital Electronics
One bit full adder has ________ outputs.

 3
 2
 4
 any number

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1001
 1000
 1100
 0011

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

 0 and 3
 1 and 3
 1 and 4
 0 and 4

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 0,10110.1011
 1,10110.1001
 0,10110.1001
 1,10101.1001

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Digital Electronics
The hex address of the 256th memory location is

 001FF
 00FFF
 00100
 000FF

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Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
EXCLUSIVE OR gate
OR gate
NAND gate

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MORE MCQ ON Digital Electronics

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