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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

64
None of these
16
128
32

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

XOR
NOR
NAND
None of these
OR

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Digital Computer Electronics
What logic function is produced by adding an inverter to each input and the output of an AND gate?

OR
XOR
NOR
NAND
None of these

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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 _____

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

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Digital Computer Electronics
Convert the 1000 0000 0000 1111 signed binary number to decimal number.

None of these
-15
-30
15
30

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Digital Computer Electronics
The term sum-of-products in boolean algebra means

The AND function of several AND functions
None of these
The OR function of several AND functions
The OR function of several OR functions
The AND function of several OR functions

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