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Digital Computer Electronics

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

None of these
NAND
XOR
OR
NOR

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Digital Computer Electronics
The leading bit stands for the _____ and the remaining bits for the _____ is known as signed binary numbers.

None of these
sign, remainder
sign, magnitude
variable, value
value, sign

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Digital Computer Electronics
The m-bit parallel adder consists of:

m-1 full adders
None of these
m full adders
(m+1) full adders
m/2 full adders

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Digital Computer Electronics
The dynamic race hazard problem occurs in

None of these
combinational circuits only
both combinational and sequential circuits
none of the combinational and sequential circuits
sequential circuits only

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Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

XAND
OR
AND
XOR
None of these

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

None of these
decoder
encoder
demultiplexer
multiplexer

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