Physics
Scalar Quantities are

Physical quantities which have no magnitude and no direction
Physical quantities which have magnitude only and no direction
Physical quantities which have magnitude only and direction
Physical quantities which have no magnitude only and only direction

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Physics
An integrated circuit is more advantages than a coventional circuit because

If a part of the integrated circuit fails the entire circuit is simply replaced
A faulty part of a conventional circuit may be difficult to locate and repair
All listed here
They make the electric equipments more reliable and easier for servicing

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