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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

128
32
None of these
64
16

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

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

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Digital Computer Electronics
When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.

pulse
None of these
transistor
register
clock

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Digital Computer Electronics
Digital design often starts by constructing a _____ table.

Truth
None of these
Two-dinensional
Two-stage
Standard

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Digital Computer Electronics
Conversion of a octal number 638 to its decimal number is

6110
None of these
5110
5310
5710

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Digital Computer Electronics
The 1's compliment of binary number 11010 is:

101
10
110
11101
None of these

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