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Digital Computer Electronics

Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 0=1
1 + 1 + 1 = 1
None of these
1+0+1 = 1
1 + 1=0

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

algebraic code
excess 3 code
8421 code
gray code
None of these

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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.

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

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Digital Computer Electronics
A diagram that illustrates the ore (Logic) of functions in a progran called a

None of these
Sequence of steps
All of these
Flowchart
Direction of flow

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

AF
9E
All of these
8C
None of these

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

None of these
1 + A = 1
0 + A = A
1 . x = 1
A + A = A

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