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Digital Computer Electronics

Digital Computer Electronics
The 2's compliment of binary number 0.01011 is:

0.101
None of these
0.10101
1.10101
1.101

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Digital Computer Electronics
What logic function is produced by adding an inverter to the output of an AND gate?

OR
XOR
NAND
NOR
None of these

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Digital Computer Electronics
Cyclic codes are used in

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

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Digital Computer Electronics
The dynamic race hazard problem occurs in

combinational circuits only
none of the combinational and sequential circuits
sequential circuits only
None of these
both combinational and sequential circuits

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

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

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Digital Computer Electronics
FETs are used in linear ICs to:

increase device complexity
None of these
(a) and (b) above
provide large resistances
increase input resistance

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