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Digital Electronics

Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 AND
 OR
 NOR
 XOR

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

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

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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

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

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 000010010
 000001001
 000010011
 100001001

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Digital Electronics
A NAND gate is called a universal logic element because

Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization
It is used by everybody
Any logic function can be realized by NAND gates alone

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Digital Electronics
The complement of a function A is

 1
 0
 A
 Ā

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