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What kind of operating systems do phones use?

Answer 1

Kennedy Adams

Hmmm...

The operating systems can be dissected in numerous ways.

Mobile phones can be broadly classified into three categories:

Dumb phones, with an operating system designed only for phone use.

Feature phones, likely running an OS that allows for Java ME messaging and games, etc.

smartphones, which run an operating system that can multitask and support a large number of apps.

Probably the most widely used operating systems on smartphones are:

Android (based on Linux)

iOS (based on BSD)

Windows

Other, less common or out-of-date smartphone operating systems are:

Linux-based Tizen

WebOS (based on Linux)

Symbian Operating System

BB OS

PalmOS

WinCE

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.