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Digital Electronics

Digital Electronics
A device which converts 2421 code into 8421code is called a

 code decoder
 code converter
 code encoder
 coder

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

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

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Digital Electronics
Which number system has a base of 16

 Octal
 Hexadecimal
 None
 Decimal

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 6
 9
 8
 7

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

 11000110
 00000001
 00111001
 01000110

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Digital Electronics
In a T flip-flop no of input circuit is

 2
 3
 1
 4

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