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Digital Computer Electronics

Digital Computer Electronics
The OR gate has two or more input signals. If any input is _____ the output is high.

low
high
All of these
None of these

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Digital Computer Electronics
What is the 2's complement of 0011 0101 1001 1100 number?

1100 1010 1100 1011
None of these
1100 1010 1111 1111
1100 1010 0110 0011
1100 1010 0110 0100

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Digital Computer Electronics
An inverter is also called a _____ gate.

NAND
None of these
NOT
OR
AND

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

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

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

877110
555710
755110
778110
None of these

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Digital Computer Electronics
Which gates is known as universal gate?

None of these
NAND gate
NOT gate
XOR gate
AND gate

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