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Digital Computer Electronics

Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

master slave JK flip-flop
None of these
T flip-flop
SR flip-flop
All of these

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Digital Computer Electronics
Addition of 11012 and 10102 is

None of these
101012
101112
110112
110002

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

4
6
None of these
8
3

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Digital Computer Electronics
A bus is a group of _____ carrying digital signals.

registers
None of these
transistors
wires
gates

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

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

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Digital Computer Electronics
A demultiplexer is also known as

None of these
data distributor
multiplexer
data selector
encoder

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