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Digital Computer Electronics

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

None of these
NOR
AND
NAND
OR

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Digital Computer Electronics
Parallel adders are

None of these
sequential logic circuits
combinational logic circuits
All of these
both of the above

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Digital Computer Electronics
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

words, high
None of these
bytes, low
character, low
bytes, high

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Digital Computer Electronics
Conversion of binary number 111112 to an octal number is

None of these
378
428
358
328

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Digital Computer Electronics
Conversion of an octal number 74328 to a binary number is

None of these
1111111110002
1111000110102
11110001101112
1100110101112

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Digital Computer Electronics
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?

Routing table
Truth table
None of these
Function table
ASCII table

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