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Digital Computer Electronics

Digital Computer Electronics
A bus is a group of _____ carrying digital signals.

registers
transistors
wires
gates
None of these

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Digital Computer Electronics
An inventor is a gate with only _____ input; the output is always in the opposite state from the input

more than one
one
None of these
All of these
two

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

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

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Digital Computer Electronics
Conversion of binary number 1000112 to an octal number is

478
438
None of these
508
498

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

bit
None of these
nibble
All of these
byte

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

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