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Digital Computer Electronics

Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

None of these
A + A = A
1 . x = 1
1 + A = 1
0 + A = A

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

11010002
1100112
11001002
None of these
11101112

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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, 100
SSI, 10000
SSI, 75
SSI, 1000

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Digital Computer Electronics
Which of the following is a universal gate?

OR
EX-OR
AND
NAND
None of these

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

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

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Digital Computer Electronics
FETs are used in linear ICs to:

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

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