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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

100
None of these
111
1011
101

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Digital Computer Electronics
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

None of these
bytes, low
words, high
character, low
bytes, high

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Digital Computer Electronics
Addition of 11012 and 10102 is

None of these
110002
110112
101112
101012

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

None of these
Half adder
Full adder
Carry-look-ahead adder
Parallel adder

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

OR
NAND
XOR
None of these
NOR

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Digital Computer Electronics
The dynamic race hazard problem occurs in

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

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