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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
Half adder
Parallel adder
Full adder
None of these

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Digital Computer Electronics
Conversion of a hexadecimal number 6316 to binary number is

11001112
11001112
None of these
11000112
1110112

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Digital Computer Electronics
Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

10001010001012
10010000000102
11110110000102
10110101110102
None of these

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Digital Computer Electronics
The term sum-of-products in boolean algebra means

The AND function of several OR functions
None of these
The OR function of several AND functions
The AND function of several AND functions
The OR function of several OR functions

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Digital Computer Electronics
The Gray code for decimal 7 is

None of these
1011
101
111
100

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Digital Computer Electronics
The number of input words in a truth table always equals _____ where n is the number of inputs bits.

10n
None of these
4n
2n
8n

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