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Digital Computer Electronics

Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

OR
XAND
XOR
AND
None of these

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111
111111
None of these
111000

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

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

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Digital Computer Electronics
With positive clocking the clock signal must be _____ for the flip-flop to respond.

None of these
race
high
low
set

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

1001 0010 1010 1100
1111 0000 1101 0010
1111 1100 1010 1100
None of these
1111 0000 0010 1101

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Digital Computer Electronics
Conversion of binary number 111112 to an octal number is

428
328
358
378
None of these

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