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Digital Computer Electronics

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

high
low
None of these
set
race

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Digital Computer Electronics
Express -7 as 16-bit signed binary numbers.

0000 0000 0000 0111
1000 0000 0000 0111
0111 0000 0000 0000
None of these
0111 0000 0000 0001

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

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

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Digital Computer Electronics
The hexadecimal digits are 0 to 9 and A to _____

G
E
D
F
None of these

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Digital Computer Electronics
Which of the following electronic component is not found in ordinary ICs?

None of these
resistors
transistors
diodes
inductors

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Digital Computer Electronics
Convert the 1000 0000 0000 1111 signed binary number to decimal number.

15
None of these
30
-15
-30

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