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Digital Computer Electronics

Digital Computer Electronics
A half-adder adds _____ bits

8
16
None of these
10
2

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Digital Computer Electronics
What is the 2's-complement representation of -24 in a 16-bit microcomputer?

0000 0000 0001 1000
None of these
0001 0001 1111 0011
1111 1111 1110 0111
1111 1111 1110 1000

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Digital Computer Electronics
A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as

demultiplexer
None of these
decoder
encoder
multiplexer

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Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

AND
NAND
OR
XOR
None of these

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Digital Computer Electronics
The functional capacity for LSI devices is

100 to 10,000 gates
12 to 99 gates
1 to 11 gates
None of these
more than 10,000 gates

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Digital Computer Electronics
The _____ gate has two or more input signals. All inputs must be high to get a high output

NAND
NOR
AND
None of these
OR

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