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Digital Computer Electronics

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

NOR
None of these
XOR
NAND
OR

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

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

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Digital Computer Electronics
A positive AND gate is also a negative

AND gate
None of these
NAND gate
NOR gate
OR gate

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Digital Computer Electronics
Multiplication of 1112 by 1012 is

1012
1111002
1000112
None of these
1100112

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

decay time
None of these
binary level transition period
propagation delay
rise time

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Digital Computer Electronics
Conversion of an octal number 1348 to a binary number is

1100112
10110112
11011002
10111002
None of these

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