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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1368 to hexadecimal number is

50000000000000000
None of these
5A16
5D16
70000000000000000

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

None of these
755110
555710
877110
778110

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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 carry serial data signals
to synchronize events in various parts of a system
to tell how much time has elapsed since the system was turned on

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Digital Computer Electronics
Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

slave
clock
None of these
master
latch

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

A+BB+A
A+AA
(B+C)(A.B)+(A.C)
(A+B)+CA+(B+C)
None of these

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Digital Computer Electronics
Express 8192 in K units.

8K
All of these
8 x 103 K
8.192 k
None of these

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