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Digital Computer Electronics

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

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

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Digital Computer Electronics
A positive AND gate is also a negative

AND gate
None of these
NAND gate
NOR gate
OR gate

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Digital Computer Electronics
Which of the following electronic component is not found in ordinary ICs?

inductors
resistors
transistors
diodes
None of these

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Digital Computer Electronics
How many bits are required to encode all twenty six letters ten symbols, and ten numerals?

3
2
5
None of these
6

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Digital Computer Electronics
Digital design often starts by constructing a _____ table.

None of these
Two-dinensional
Two-stage
Truth
Standard

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Digital Computer Electronics
FETs are used in linear ICs to:

(a) and (b) above
None of these
increase input resistance
provide large resistances
increase device complexity

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