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Digital Electronics

Digital Electronics
The main equation for a D flip flop is

 Q=D
 Q=1
 Q=D'
 Q=0

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Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 01110011
 00001000
 00001100

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 1010
 5050
 7070
 F0F0

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-OR
 an AND or a NOR
 a NAND or an X-OR
 an OR or an X-NOR

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Digital Electronics
The most suitable gate for comparing two bits is

 AND
 NAND
 OR
 X-OR

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Digital Electronics
An 8-square eliminates

 4 variables
 8 variables
 3 variables
 2 variables

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MORE MCQ ON Digital Electronics

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