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Digital Electronics

Digital Electronics
Positive integers must be represented by

 signed numbers
 Both A and B
 None of these
 unsigned number

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Digital Electronics
The code used for labeling the cells of a K-map is

 gray
 8-4-2-1 binary
 octal
 hexadecimal

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Only (II)
 Both (II)&(III)
 Only (III)
 Both (I)&(III)

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

 code encoder
 code decoder
 coder
 code converter

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Digital Electronics
An 8-square is called

 a pair
 an octet
 a quad
 a cube

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Digital Electronics
An X-OR gate gives a high output

 for odd decimal value.
 if the decimal value of digital word is even
 if it has even number of 0s
 if there are odd number of 1s

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