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Digital Computer Electronics

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

NOR gate
OR gate
EX-OR gate
AND gate
None of these

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Digital Computer Electronics
A logic circuit which is used to change a BCD number into an equivalent decimal number is

None of these
decoder
code converter
multiplexer
encoder

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Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

1001112
11110112
1100112
None of these
1100112

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

11001002
1100112
11101112
11010002
None of these

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

None of these
X + Y + Z
XZ + Y
X + YZ
XY + YZ

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

None of these
AND
OR
NOR
NAND

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