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Digital Computer Electronics

Digital Computer Electronics
An XOR gate recognizes only words with an _____ number of 1's.

different
even
All of these
odd
None of these

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Digital Computer Electronics
FETs are used in linear ICs to:

increase input resistance
provide large resistances
(a) and (b) above
None of these
increase device complexity

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

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

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Digital Computer Electronics
The dynamic race hazard problem occurs in

both combinational and sequential circuits
none of the combinational and sequential circuits
combinational circuits only
sequential circuits only
None of these

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

A + A = A
1 + A = 1
1 . x = 1
0 + A = A
None of these

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Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

1111111
1111
None of these
1110000

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