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Digital Computer Electronics

Digital Computer Electronics
Which of the following is not true?

1 x 1 = 1
None of these
0 x 1 = 1
1 x 0 = 0
0X0 = 0

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Digital Computer Electronics
The digits used in a binary number system are _____ and _____

1 and 2
9 and 0
3 and 4
None of these
0 and 1

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

None of these
encoder
demultiplexer
decoder
multiplexer

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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.

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

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

0.1 and 5 V
None of these
-1.75 and -0.9 V
0.9 and 1.75V
0.6 and 3.5 V

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Digital Computer Electronics
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?

ASCII table
None of these
Function table
Routing table
Truth table

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