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Digital Computer Electronics

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

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

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

All of these
nibble
byte
bit
None of these

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Digital Computer Electronics
A byte is consist of _____ bits

eight
four
None of these
ten
two

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Digital Computer Electronics
An OR gate has 6 inputs. How many input words are in its truth table?

64
16
128
None of these
32

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Digital Computer Electronics
The highest decimal number that can be represented with 10 binary digits is

All of these
None of these
1023
512
1024

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Digital Computer Electronics
Binary means _____

None of these
Two
Four
Ten
Three

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