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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 11000112 to an octal number is

1408
None of these
1498
1438
1478

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Digital Computer Electronics
The clock signals are used in sequential logic circuits

None of these
to tell the time of the day
to synchronize events in various parts of a system
to tell how much time has elapsed since the system was turned on
to carry serial data signals

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

(n+l)T
(n-l)T
None of these
nT
2nT

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Digital Computer Electronics
The _____ gate has two or more input signals. All inputs must be high to get a high output

AND
OR
None of these
NOR
NAND

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

Lower cost
Smaller size
None of these
Higher reliability
All of these

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

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

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