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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.

OR gate
AND gate
NOR gate
NAND gate
None of these

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

1023
All of these
None of these
512
1024

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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
None of these
to tell the time of the day
to carry serial data signals
to tell how much time has elapsed since the system was turned on

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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
None of these
NOR
AND
NAND

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

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

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