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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1068 to binary number is

11001102
11100102
100001102
None of these
10001102

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

NOR
AND
None of these
XOR
XAND

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Digital Computer Electronics
A byte is consist of _____ bits

ten
two
four
eight
None of these

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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?

XOR
NOR
NAND
None of these
OR

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

-15
30
None of these
-30
15

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Digital Computer Electronics
A demultiplexer is also known as

multiplexer
encoder
None of these
data distributor
data selector

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