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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
Parallel adder
Full adder
None of these
Half adder

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Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

None of these
1101000012
11110000012
10010111102
11110111112

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Digital Computer Electronics
Semiconductor memory is:

None of these
somewhat slower than magnetic core memory
somewhat larger than the magnetic core memory
a volatile memory
All of these

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Digital Computer Electronics
Conversion of decimal number 6710 to it's octal number equivalent is

998
1008
None of these
1098
1038

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Digital Computer Electronics
The Gray code for decimal 7 is

1011
101
None of these
100
111

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Digital Computer Electronics
Cyclic codes are used in

None of these
arithmetic and logical computation
continuously varying signal representation
All of these
data transfer

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