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Digital Electronics

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

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

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

 1010
 7070
 F0F0
 5050

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 weight
 volume
 cost

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Digital Electronics
To get an excess-3 code from BCD code

 0011 is subtracted
 0011 is added
 0110 is added
 0110 is subtracted

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Digital Electronics
Which of the following is known as a mod-2 adder?

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

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Digital Electronics
Which of the following is 1’s complement representation of +57

 01000110
 00111001
 11000110
 00000001

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