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Digital Computer Electronics

Digital Computer Electronics
The _____ gate has two or more input signals. All inputs must be high to get a high output

OR
NOR
None of these
NAND
AND

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Digital Computer Electronics
A byte is consist of _____ bits

ten
four
None of these
eight
two

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

128
16
32
64
None of these

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Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

AND
NOR
OR
None of these
NAND

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Digital Computer Electronics
Conversion of an octal number 1438 to hexadecimal number is

6016
6316
None of these
5016
5716

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

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

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