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Digital Electronics

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

 coder
 code decoder
 code encoder
 code converter

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Digital Electronics
Which of the following is a self-complementing code?

 Gray code
 XS-3 code
 cyclic code
 Hamming code

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Digital Electronics
All the integers and decimal numbers are represented by

 odd numbers
 whole numbers
 even numbers
 real numbers

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 100111
 0001111
 101001
 001000

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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 subtracted
 0011 is subtracted
 0011 is added
 0110 is added

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 NAND gates
 AND gates
 NOR gates

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MORE MCQ ON Digital Electronics

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