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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

1011
None of these
101
100
111

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Digital Computer Electronics
The OR gate has two or more input signals. If any input is _____ the output is high.

low
high
None of these
All of these

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Digital Computer Electronics
The term sum-of-products in boolean algebra means

The AND function of several OR functions
The AND function of several AND functions
The OR function of several OR functions
The OR function of several AND functions
None of these

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Digital Computer Electronics
Conversion of binary number 11000112 to hexadecimal is

None of these
5716
4016
6316
4616

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Digital Computer Electronics
Which of the following is not functionally a complete set?

AND, OR, NOT
None of these
NAND
NOR
AND, OR

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Digital Computer Electronics
The logic 1 in positive logic system is represented by:

lower voltage level
higher voltage level
zero voltage
negative voltage
None of these

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