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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 12
 10
 9
 6

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

NAND gate
EXCLUSIVE OR gate
OR gate
NOT gate

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Digital Electronics
The main equation for a D flip flop is

 Q=D
 Q=1
 Q=0
 Q=D'

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -7, -7 and -7 respectively
 -25, -9 and -57 respectively
 -6, -6 and -6 respectively
 25, 9 and 57 respectively

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 01011101
 10100010
 11011110
 11011101

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Digital Electronics
An 8-square is called

 a quad
 a pair
 an octet
 a cube

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