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Digital Electronics

Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 8 input MUX
 6 input MUX
 4 input MUX
 16 input MUX

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n
2n-1
2n

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When all input is LOW
 When any input is LOW
 When any input is HIGH

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

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

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 selective prime implicants
 essential prime implicants
 implicants
 prime implicants

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Digital Electronics
Which of the following operations is commutative but not associative?

 X-OR
 NAND
 AND
 OR

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MORE MCQ ON Digital Electronics

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