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DIGITAL COMPUTER ELECTRONICS

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

None of these
101001.11
10111.0011
101000.01
101000.0011

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

OR
None of these
AND
NAND
NOR

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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
NOR
None of these
XOR

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Digital Computer Electronics
Conversion of an octal number 74328 to a binary number is

1100110101112
1111111110002
None of these
1111000110102
11110001101112

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Digital Computer Electronics
Conversion of an octal number 1438 to hexadecimal number is

5016
6016
6316
None of these
5716

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