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Digital Computer Electronics

Digital Computer Electronics
Which function positive logic is equivalent to OR function in negative logic?

OR
NOR
None of these
NOT
AND

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

0.1 and 5 V
-1.75 and -0.9 V
0.9 and 1.75V
0.6 and 3.5 V
None of these

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Digital Computer Electronics
The functional difference between SR flip-flop and JK flip-flop is that

JK flip-flop is faster than SR flip-flop
JK flip-flop accepts both inputs 1
JK flip-flop has a feed back path
JK flip-flop does not require external clock
None of these

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Digital Computer Electronics
An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.

odd, even
None of these
high, low
even, odd
low, high

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Digital Computer Electronics
What is the decimal equivalent of 210?

None of these
4096
16
1024
1000

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Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

1100112
1001112
None of these
11110112
1100112

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