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Digital Electronics

Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 11100000
 00011111
 10101111
 011100001

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Digital Electronics
Boolean algebra is also known as

 Switching algebra
 Transistor algebra
 Gate algebra
 Counting algebra

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Digital Electronics
The time required for a gate to change its output is called as

 Decay time
 start time
 propagation time
 run time

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Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 15 parity bits
 5 parity bits
 none of these.

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Digital Electronics
The code used for labeling the cells of a K-map is

 hexadecimal
 octal
 8-4-2-1 binary
 gray

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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

 6
 9
 8
 7

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