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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 signed numbers
 unsigned number
 None of these

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 8
 6
 9
 3

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Digital Electronics
The most suitable gate for comparing two bits is

 OR
 X-OR
 NAND
 AND

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Digital Electronics
The 1’s complement of 11010111 is

 10101000
 00101000
 11101000
 10101000

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Digital Electronics
A half adder has

 1 input and 1 output
 1 input and 2 outputs
 2 inputs and 1 outputs
 2 inputs and 2 output

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Digital Electronics
What is mean by FPU

 floating point universal
 floating point unit
 floating parallel unit
 floating parallel universal

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