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Digital Computer Electronics

Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

demultiplexer
encoder
None of these
decoder
multiplexer

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Digital Computer Electronics
How many outputs signals can a gate have?

more than one
one
both (a) and (b)
None of these
two only

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Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 0=1
None of these
1 + 1=0
1+0+1 = 1
1 + 1 + 1 = 1

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's or 1's
0's and 1's
0's
1's
None of these

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Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

None of these
AB+AC
A+B+C
AC+B
A+BC

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Digital Computer Electronics
An inventor is a gate with only _____ input; the output is always in the opposite state from the input

All of these
None of these
one
two
more than one

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