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Digital Computer Electronics

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

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

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

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

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Digital Computer Electronics
Which of the following is a universal gate?

EX-OR
AND
NAND
None of these
OR

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Digital Computer Electronics
A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

chip
memory
None of these
I/O
bus

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Digital Computer Electronics
A binary adder is a logic circuit that can add _____ binary numbers at a time.

One
None of these
Hundreds
Thousands
Two

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Digital Computer Electronics
How many inputs signals can a gate have?

one
None of these
two only
both (a) and (b)
more than one

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