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Digital Computer Electronics

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

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

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Digital Computer Electronics
With positive clocking the clock signal must be _____ for the flip-flop to respond.

low
None of these
high
set
race

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Digital Computer Electronics
Conversion of hexadecimal number 6B216 to it's binary number equivalent is

111111112
110101100102
1100110011112
None of these
11110001101112

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Digital Computer Electronics
Conversion of binary number 1100012 to its decimal number is

3910
None of these
4910
5010
2710

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Digital Computer Electronics
A half-adder adds _____ bits

2
16
10
8
None of these

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

A+AA
A+BB+A
(A+B)+CA+(B+C)
(B+C)(A.B)+(A.C)
None of these

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