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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

None of these
111
1011
101
100

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

encoder
demultiplexer
multiplexer
None of these
decoder

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Digital Computer Electronics
Which gates is known as universal gate?

XOR gate
NAND gate
AND gate
None of these
NOT gate

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

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

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

XOR
NOR
OR
None of these
NAND

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Digital Computer Electronics
The 2's compliment of binary number 010111.1100 is

101000.0011
101000.01
101001.11
None of these
10111.0011

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MORE MCQ ON Digital Computer Electronics

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