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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
None of these
NAND gate
NOR gate

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

1023
1024
512
All of these
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 carry serial data signals
None of these
to synchronize events in various parts of a system
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.

None of these
OR
NOR
NAND
AND

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

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

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