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Digital Computer Electronics

Digital Computer Electronics
A logic circuit which is used to change a BCD number into an equivalent decimal number is

decoder
code converter
encoder
multiplexer
None of these

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Digital Computer Electronics
Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

11110110000102
10001010001012
10010000000102
10110101110102
None of these

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Digital Computer Electronics
One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.

Schottky
None of these
De Morgan
Karnaugh
Standard

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

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

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Digital Computer Electronics
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

character, low
words, high
bytes, high
bytes, low
None of these

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Digital Computer Electronics
A byte is consist of _____ bits

None of these
four
eight
two
ten

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