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Digital Computer Electronics

Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

None of these
NAND
OR
NOR
AND

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

16
32
None of these
64
128

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

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

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Digital Computer Electronics
A binary adder is a logic circuit that can add _____ binary numbers at a time.

Two
Thousands
None of these
Hundreds
One

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

None of these
-1.75 and -0.9 V
0.9 and 1.75V
0.6 and 3.5 V
0.1 and 5 V

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Digital Computer Electronics
Conversion of binary number 1011012 to its decimal number is

None of these
4710
4010
4510
4310

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