Yes there are some rooted phones that can take two operating systems though they will be too slow.
The one that the phone came with.
Proprietary operating systems are commercial operating systems designed to run on specific computer hardware for which they are licensed. Other operating systems such as Linux and OpenBSD are free and open source and can be used on any hardware on which someone can make it work. The Android operating system is a Google implementation of Linux designed to work on smart phones and tablets.
Today's smartphones are much the same thing as a mobile computer. Windows phones even have a mobile version of Windows Operating System. That's what mobile computing really is. It's just the use of mobile "smart phones" which have operating systems like computer. The operating system enables phones to run applications or "apps", for uses from banking to games.
yes
A smart phone is a phone that has internet capabilities and may apps that can do a wide range of things, much more than just making calls. Andoid is one operating system that is used on some smart phones. Android phones are therefore typically smart phones, but not the only kind of smart phones. The iPhones do not use Android as their operating system, but they are smart phones.
Gooogle's operating system program is available to purchase online. Gooogle offers several different operating systems, in fact: some for computer use and some for its Android smart phones.
Android phones are a category of smart phones, so the question doesn't make sense. If you mean to ask whether android apps can be installed on non-android phones, then the answer is no (or it is not feasible to do so), but oftentimes the same app is available for various operating systems.
A form of operating system (OS) is used in almost all contemporary embedded systems. This indicates that choosing that OS usually happens early in the design phase. This selection process presents difficulties for numerous developers.
Smart phones should not be abolished from reverse phones. Smart phones are very versatile, practical, useful for both personal use and for business use.
Audio / video editing digital signal processing gaming encryption / decryption compression sensors eg: light sensors on smart phones
Yes. Samsung does make smart phones. All brands of cell phones make smart phones. Technology is updated now and Samsung does have some new smart phones released
Yes. For instance, the recently released LG GW620, or the Mototrola Evoke QA4.