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Digital Computer Electronics

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

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

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Digital Computer Electronics
BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

decimal
binary
ASCII
None of these
hexadecimal

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Digital Computer Electronics
_____is an abbreviation for binary digit.

base
bingit
0 and 1
bit
None of these

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Digital Computer Electronics
Conversion of binary number 1011012 to hexadecimal is

None of these
3716
2716
2D16
20000000000000000

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111111
111
None of these
111000

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

All of these
None of these
Smaller size
Higher reliability
Lower cost

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