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Digital Computer Electronics

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

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

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Digital Computer Electronics
Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.

None of these
SSI, 1000
SSI, 10000
SSI, 75
SSI, 100

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Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

None of these
AC+B
A+BC
A+B+C
AB+AC

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Digital Computer Electronics
How many outputs signals can a gate have?

one
None of these
two only
both (a) and (b)
more than one

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Digital Computer Electronics
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?

ASCII table
Function table
Routing table
None of these
Truth table

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Digital Computer Electronics
Conversion of 10110112 to it's decimal equivalent is

20010
8110
10010
None of these
9110

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