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Digital Computer Electronics

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

NOR
XOR
None of these
OR
NAND

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

128
16
None of these
32
64

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

3
4
None of these
6
8

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Digital Computer Electronics
Conversion of binary number 11000112 to its decimal number is

None of these
9310
9910
9710
2910

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Digital Computer Electronics
Conversion of binary number 10010102 to to its decimal number is

None of these
9710
7410
7210
6310

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

excess 3 code
algebraic code
8421 code
gray code
None of these

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