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Digital Computer Electronics

Digital Computer Electronics
The digits used in a binary number system are _____ and _____

None of these
0 and 1
3 and 4
9 and 0
1 and 2

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Digital Computer Electronics
Conversion of hexadecimal number 1D7F16 to a decimal number is

877110
755110
778110
555710
None of these

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Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

AND
None of these
NOR
OR
NAND

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

None of these
NAND
OR
NOR
XOR

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Digital Computer Electronics
Conversion of an octal number 1128 to hexadecimal number is

1516
4A16
5A16
2016
None of these

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Digital Computer Electronics
The 2's compliment of binary number 010111.1100 is

None of these
101000.0011
101001.11
10111.0011
101000.01

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