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Digital Computer Electronics

Digital Computer Electronics
The _____ is ultraviolet-light-erasable and electrically programmable. This allows the user to erase and store until programs and data are perfected.

None of these
PROM
RAM
ROM
EPROM

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Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

m
m+1
m/2
None of these
m-1

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Digital Computer Electronics
For what logic gate the outputs in complement of the input?

NOT
OR
XOR
None of these
AND

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

-1.75 and -0.9 V
0.1 and 5 V
0.9 and 1.75V
0.6 and 3.5 V
None of these

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

None of these
NOR
NAND
AND
OR

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Digital Computer Electronics
A half-adder is also known as:

NOR circuit
None of these
NAND circuit
AND circuit
EX-OR circuit

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