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DIGITAL COMPUTER ELECTRONICS

Digital Computer Electronics
The output of the following gate is 1 only if at least one of its inputs is 0.

NOR gate
OR gate
None of these
AND gate
NAND gate

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Digital Computer Electronics
The highest decimal number that can be represented with 10 binary digits is

1024
None of these
512
1023
All of these

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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
None of these
to synchronize events in various parts of a system
to tell the time of the day

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Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

OR
NOR
AND
None of these
NAND

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Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

A+B+C
AB+AC
A+BC
None of these
AC+B

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