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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.

NAND gate
OR gate
None of these
AND gate
NOR gate

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

All of these
1024
512
1023
None of these

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

to tell the time of the day
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

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

NOR
OR
NAND
None of these
AND

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

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

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