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Digital Electronics

Digital Electronics
AND operation is equivalant to

 Intersection
 Union
 Division
 Both B and C

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 0 and 4
 1 and 3
 0 and 3

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 2421 code
 cyclic code
 8421 code
 binary code

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Digital Electronics
The 7-bit Hamming code is used to transmit

 4 data bits
 7 data bits
 no data bits
 3 data bits

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

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

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Digital Electronics
A multiplexer is a

 N-to-1 device
 1-to-1 device
 1-to-N device
 N-to-N device

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