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Digital Computer Electronics

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

778110
555710
877110
755110
None of these

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Digital Computer Electronics
An inventor is a gate with only _____ input; the output is always in the opposite state from the input

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

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Digital Computer Electronics
ASCII and EBCDIC differ in

the number of bytes used to store characters
None of these
their collecting sequences
the random and sequential access method
their efficiency in storing data

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

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

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Digital Computer Electronics
The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

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

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