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Digital Computer Electronics

Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

6
8
None of these
4
3

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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)

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

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

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

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Digital Computer Electronics
Conversion of an octal number 1428 to binary number is

None of these
11000102
11000112
11011012
1101102

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Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

1111
1110000
None of these
1111111

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Digital Computer Electronics
Which of the following is the first integrated logic family?

None of these
DTL
TTL
RTL
MOS

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