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Digital Computer Electronics

Digital Computer Electronics
Which of the following logic expression is wrong?

1+0+1 = 1
1 + 1 + 1 = 1
1 + 0=1
1 + 1=0
None of these

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Digital Computer Electronics
A NOR gate has two or more input signals. All input must be _____ to get a high output

None of these
high
some low some high
1's
low

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Digital Computer Electronics
The control and arithmetic-logic sections are called the _____

Control Unit
None of these
Input / Output Unit
Central Processing Unit
Block diagram

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

10010
20010
9110
8110
None of these

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

OR gate
NOR gate
None of these
EX-OR gate
AND gate

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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.

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

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