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Digital Computer Electronics

Digital Computer Electronics
The logic 1 in positive logic system is represented by:

negative voltage
lower voltage level
None of these
zero voltage
higher voltage level

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Digital Computer Electronics
Conversion of hexadecimal number 1D7F16 to a decimal number is

None of these
877110
755110
555710
778110

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

1100112
11101112
11010002
None of these
11001002

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Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

None of these
OR
NAND
NOR
AND

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

All of these
AF
8C
9E
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 _____

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

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