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Digital Computer Electronics

Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

XAND
NOR
AND
XOR
None of these

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111000
111
111111
None of these

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Digital Computer Electronics
Consider as RS flip-flops with both inputs set to 0. If a momentary '1' is applied at the input S, then the output

Q will flip from 0 to 1 and then back to 0
None of these
Q will flip from 0 to 1 and then back to 0
Q will flip from 0 to 1
Q will flip from 0 to 1

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Digital Computer Electronics
Express 8192 in K units.

All of these
None of these
8 x 103 K
8.192 k
8K

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Digital Computer Electronics
With positive clocking the clock signal must be _____ for the flip-flop to respond.

race
high
None of these
set
low

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Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

None of these
32
128
64
16

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