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Digital Computer Electronics

Digital Computer Electronics
For what logic gate the outputs in complement of the input?

OR
NOT
AND
None of these
XOR

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

NOR
XOR
OR
NAND
None of these

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Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 1 + 1 = 1
1 + 1=0
1+0+1 = 1
None of these
1 + 0=1

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Digital Computer Electronics
Conversion of an octal number 1258 to its decimal number is

8510
9910
9010
8710
None of these

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Digital Computer Electronics
With a JK master-slave flip-flop the master is cocked when the clock is _____ and the slave is triggered when the clock is _____

set, race
race, no change
high, low
None of these
set, reset

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Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

None of these
AND
NOR
NAND
OR

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