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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 31378 to it's decimal equivalent is

163210
153110
193110
None of these
163110

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Digital Computer Electronics
Flip-flop outputs are always

None of these
same as inputs
independent of each other
complimentary
the same

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

None of these
OR
NAND
NOR
XOR

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Digital Computer Electronics
Conversion of binary number 1011012 to its decimal number is

4510
4010
4310
None of these
4710

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

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

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

decay time
rise time
None of these
propagation delay
binary level transition period

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