Only if you have an iPhone 5S or newer.
No, it cannot. The earliest iteration iPhone that can carry iOS 8 is the iPhone 4S.
You will have to download the IOS 8 on the iPhone 5c. This is easy to install.
NO, it is not.
No, it won't be able to support the demands of iOS8. The oldest phone that is listed as being able to support that iOS is the iPhone 4S. However, it's generally not recommended to do so, as it was designed for the bigger iPhone 6 and iPhone 6 Plus.
After Iphone 5 is the Iphone 5s
An iPhone 5 is the latest version of the iPhone. The iPhone 5 is the lightest and slimmest of all the iPhone models.
IOS8 stands for Internet Operating System. The number 8 recognizes the current number of the operating system, meaning that there were previously 7 other operating systems made before the 8th was released.
iphone 5
iPhone 5
The iPhone 5 was preceded by the iPhone 4S.
This depends on the vendor, but from Apple, the pricing is as follows... On contracts 16GB iPhone 5 - $199 32GB iPhone 5 - $299 64GB iPhone 5 - $399 Unlocked iPhones 16GB iPhone 5 - $649 32GB iPhone 5 - $749 64GB iPhone 5 - $849