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Digital Computer Electronics

Digital Computer Electronics
The logic 1 in positive logic system is represented by:

higher voltage level
negative voltage
None of these
lower voltage level
zero voltage

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Digital Computer Electronics
Conversion of an octal number 1428 to binary number is

1101102
None of these
11000102
11000112
11011012

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Digital Computer Electronics
A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as

None of these
decoder
encoder
demultiplexer
multiplexer

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Digital Computer Electronics
_____ has become the most widely used bipolar family.

MOS
TTL
DTL
None of these
ECL

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

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

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Digital Computer Electronics
The number of input words in a truth table always equals _____ where n is the number of inputs bits.

4n
None of these
8n
2n
10n

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