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Digital Computer Electronics

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

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

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Digital Computer Electronics
A positive AND gate is also a negative

AND gate
OR gate
None of these
NOR gate
NAND gate

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Digital Computer Electronics
Conversion of an octal number 1368 to hexadecimal number is

70000000000000000
50000000000000000
5D16
None of these
5A16

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Digital Computer Electronics
Conversion of decimal number 4210 to it's octal number equivalent is

478
None of these
578
428
528

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Digital Computer Electronics
An OR gate has 6 inputs. How many input words are in its truth table?

None of these
32
64
16
128

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Digital Computer Electronics
Conversion of binary number 11000112 to its decimal number is

9910
9310
9710
2910
None of these

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