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Digital Electronics

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
The implicants which will definitely occur in the final expression are called

 selective prime implicants
 prime implicants
 essential prime implicants
 redundent prime implicants

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = Ā
 G = A
 A= G
None of these

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Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001000
 01110011
 00001100

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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
An AND gate can be imagined as

 transistors connected in series
 transistors connected in paralle
 switches connected in series
 switches connected in parallel

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