IO is a computer terminology it means Input Output.
All hardware that is used to enter data into a computer is called Input devices, and all the devices that provide you the output once the data is processed are called Output Devices.
eg:- Input Device= Key Board
Output Device= Monitor
IOS stands for inter-network operating system.
iOS stands for iPhone OS. When the iPhone Was first released, iOS was called iPhone OS 1.x.x. Today, on iOS 8, made people so mad bc iOS is a locked system meaning "un customizable "
The Operating System found on the iPhone is called iOS which stands for i Operating Systems. The latest version is iOS 5.0.1
You do not get iOS 4.0.2 when you update an iPod to iOS 4.1. iOS 4.0.2 is an earlier version and precedes iOS 4.1. The next version after iOS 4.1 will be iOS 4.2.
what does the IOS beneifits
Yes, when iOS 6 comes out it will be free of charge, just like iOS 5 and iOS 4 were.
To downgrade iOS 10 to iOS 9, you could use related professional tools such as TunesKit iOS System Recovery, which supports downgrading any iOS versions. Besides, if you have any other ioS issues, this mighty software can help you to get out of trouble.
iOS 4.3 is a level iOS, Apple's mobile operating system, hence the name. Apple's iPhone, iPad and iPod Touch run iOS software. The latest level of iOS is iOS 5.1.1. However, it is expected that iOS 6 will be released at the WWDC this month. If you have any further questions regarding Apple and iOS, please contact me. Henryhen.
Restoring a backup merely restores the apps, data, and contacts you had saved on the device. It won't downgrade it from iOS 8 to iOS 7.1.1.
Ios 7 is the latest ios. Ios 7 is available on the fifth generation iPods, recent iPads and iPhones 4 and 5.
You cannot. If you buy a new iPod or iPad or iPhone, it comes in iOS 4.3.3 and you have a choice to update to IOS 5 or not.
By installing them and opening them. iOS has backward compatibility.
Actually, it is possible to go back iOS version from 7 to 6. but it will need professional tools. Here I will recommend you the TunesKit iOS System Recovery, which not only deals with various iOS issues, but also supports downgrading iOS versions.