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Digital Computer Electronics

Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

decoder
None of these
demultiplexer
multiplexer
encoder

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Digital Computer Electronics
A full-adder adds _____ bits, and producing a SUM and a _____

3, CARRY
All of these
16, DIVIDE
None of these
8, SUBTRACTION

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111
111000
111111
None of these

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Digital Computer Electronics
Which gates is known as universal gate?

NAND gate
AND gate
NOT gate
None of these
XOR gate

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

XOR
NOR
OR
None of these
NAND

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Digital Computer Electronics
What is the 2's complement of 0011 0101 1001 1100 number?

1100 1010 0110 0100
1100 1010 1111 1111
None of these
1100 1010 1100 1011
1100 1010 0110 0011

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