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Digital Computer Electronics

Digital Computer Electronics
Which of the following is a universal gate?

EX-OR
None of these
NAND
AND
OR

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Digital Computer Electronics
Multiplication of 1112 by 1012 is

1100112
1000112
None of these
1012
1111002

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

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

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Digital Computer Electronics
Conversion of decimal number 9910 to it's octal number equivalent is

1218
1248
1438
None of these
1198

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Parallel adder
None of these
Half adder
Carry-look-ahead adder
Full adder

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Digital Computer Electronics
Conversion of binary number 1011012 to hexadecimal is

20000000000000000
2D16
3716
2716
None of these

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