Physics
Full form of CFL used in place of electric bulbs is

Closed filament lamp
Compact fluorescent lamp
Closed fluorescent lamp
Constantan filament lamp

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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
They make the electric equipments more reliable and easier for servicing
All listed here
A faulty part of a conventional circuit may be difficult to locate and repair

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