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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 1011012 to hexadecimal is

3716
2716
2D16
20000000000000000
None of these

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Digital Computer Electronics
A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

memory
chip
bus
I/O
None of these

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

D8F816
D9F816
None of these
A8B916
78916

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

OR
NAND
XOR
None of these
NOR

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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
OR
NAND
None of these
NOR

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Digital Computer Electronics
The Gray code for decimal 7 is

1011
111
None of these
100
101

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