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Digital Electronics

Digital Electronics
The 1’s complement of 11010111 is

 10101000
 11101000
 10101000
 00101000

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 AND
 X-NOR
 NOR
 NAND

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Digital Electronics
The most suitable gate for comparing two bits is

 OR
 AND
 NAND
 X-OR

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Digital Electronics
A byte is equal to ________ bits.

 32
 8
 16
 4

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 8
 12
 16
 10

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 7
 9
 6
 8

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