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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 11011001111110002 to hexadecimal number is

78916
D8F816
A8B916
None of these
D9F816

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

NAND
None of these
OR
NOR
AND

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Digital Computer Electronics
When a transistor is cut off or saturated, transistor _____ have almost no effect

variations
circuits
None of these
stage
wave

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

1 + A = 1
0 + A = A
1 . x = 1
A + A = A
None of these

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Digital Computer Electronics
Conversion of binary number 1100012 to its decimal number is

4910
2710
None of these
3910
5010

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Digital Computer Electronics
The Gray code for decimal 7 is

1011
None of these
100
111
101

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