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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
AND gate
None of these
OR gate
NOR gate

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Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

OR
NOR
None of these
NAND
AND

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

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

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Digital Computer Electronics
The ASCII code is a 7-bit code for

All of these
letters
other symbols
None of these
numbers

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

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

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Digital Computer Electronics
Multiplication of 1112 by 1012 is

1100112
1000112
None of these
1111002
1012

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