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Digital Computer Electronics

Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

AND
OR
None of these
NOR
NAND

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Digital Computer Electronics
Which of the following logic families has the highest noise immunity?

DTL
TTL
HTL
RTL
None of these

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

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

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Digital Computer Electronics
The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.

LSI
MSI
MOS
MOSFET
None of these

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Digital Computer Electronics
Which function positive logic is equivalent to OR function in negative logic?

OR
NOT
None of these
NOR
AND

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Digital Computer Electronics
BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

hexadecimal
decimal
binary
ASCII
None of these

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