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Digital Computer Electronics

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

NOR
NAND
None of these
OR
XOR

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

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

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Digital Computer Electronics
Conversion of binary number 11011001111110002 to hexadecimal number is

None of these
D8F816
D9F816
A8B916
78916

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Digital Computer Electronics
Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

latch
None of these
master
slave
clock

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Digital Computer Electronics
Which of the following is a universal gate?

OR
EX-OR
AND
None of these
NAND

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Digital Computer Electronics
The functional capacity for LSI devices is

None of these
more than 10,000 gates
12 to 99 gates
100 to 10,000 gates
1 to 11 gates

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