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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

 X-OR gate
 X-NOR gate
 AND gate
 NAND gate

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

 7070
 1010
 5050
 F0F0

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 100001001
 000010011
 000001001
 000010010

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

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

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 5
 7
 8
 6

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Two inputs and three outputs
 Three inputs and two outputs
 Three inputs and one output
 Two inputs and two outputs

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