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Digital Computer Electronics

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

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

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Digital Computer Electronics
Addition of 11012 and 10102 is

110002
101012
110112
None of these
101112

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Digital Computer Electronics
An OR gate can be imagined as

MOS transistors connected in series
switches connected in series
switches connected in parallel
None of these
All of these

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Digital Computer Electronics
_____ has become the most widely used bipolar family.

TTL
None of these
DTL
ECL
MOS

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Digital Computer Electronics
A gate is a logic circuit with one or more input signals but _____ output signal.

one
two
double
more than one
None of these

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Digital Computer Electronics
Conversion of binary number 111112 to an octal number is

328
378
None of these
428
358

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