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Digital Computer Electronics

Digital Computer Electronics
An XOR gate recognizes only words with an _____ number of 1's.

None of these
different
All of these
odd
even

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

None of these
NOR gate
OR gate
AND gate
EX-OR gate

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

NOR
None of these
OR
AND
NAND

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Digital Computer Electronics
A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a _____

chip
memory location
registers
None of these
address

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

None of these
504.771
640.781
90.987
815.234

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

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

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