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Digital Computer Electronics

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

NAND
OR
AND
NOR
None of these

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

NOR gate
None of these
AND gate
NAND gate
OR gate

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

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

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Digital Computer Electronics
Conversion of an octal number 1438 to its decimal number is

9010
None of these
10710
9910
97110

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Digital Computer Electronics
A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads.

All of these
gate
wire
None of these
bus

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

11010002
11101112
11001002
None of these
1100112

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