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What is a smart phone?

You’ll probably hear the term "smart phone" tossed around a lot. But if you've ever wondered exactly what a smart phone is,  you will not alone. How is a smart phone different than a cell phone, and what makes it so smart?

In a nutshell, a smart phone is a device that lets you make telephone calls, but also adds in features that, in the past, you would have found only on a personal digital assistant or a computer--such as the ability to send and receive e-mail and edit Office documents, for example.

But, to really understand what a smart phone is (and is not), we should start with a history lesson. In the beginning, there were cell phones and personal digital assistants (or PDAs). Cell phones were used for making calls--and not much else--while PDAs, like the Palm Pilot, were used as personal, portable organizers. A PDA could store your contact info and a to-do list, and could sync with your computer.

Eventually, PDAs gained wireless connectivity and were able to send and receive e-mail. Cell phones, meanwhile, gained messaging capabilities, too. PDAs then added cellular phone features, while cell phones added more PDA-like (and even computer-like) features. The result was the smart phone.

Key Smartphone Features

While there is no standard definition of the term "smart phone" across the industry, we thought it would be helpful to point out what we here at About.com define as a smart phone, and what we consider a cell phone. Here are the features we look at:

Operating System: In general, a smart phone will be based on an operating system that allows it to run applications. Apple's i-Phone runs  IOS, and BlackBerry smart phones run the BlackBerry OS. Other devices run Google's Android OS, and Microsoft's Windows Phone.

Apps: While almost all cell phones include some sort of software (even the most basic models these days include an address book or some sort of contact manager, for example), a smart phone will have the ability to do more. It may allow you to create and edit Microsoft Office documents--or at least view the files. It may allow you to download apps, such as personal and business finance managers, handy personal assistants, or, well, almost anything.

Web Access: More smart phones can access the Web at higher speeds, thanks to the growth of 4G and 3G data networks, as well as the addition of Wi-Fi support to many handsets. Still, while not all smart phones offer high-speed Web access, they all offer some sort of access. You can use your smart phone to browse your favorite sites.

QWERTY Keyboard: By our definition, a smart phone includes a QWERTY keyboard. This means that the keys are laid out in the same manner they would be on your computer keyboard--not in alphabetical order on top of a numeric keypad, where you have to tap the number 1 to enter an A, B, or C. The keyboard can be hardware (physical keys that you type on) or software (on a touch screen, like you'll find on the i-Phone).

Messaging: All cell phones can send and receive text messages, but what sets a smart phone apart is its handling of e-mail. A smart phone can sync with your personal and, most likely, your professional e-mail account. Some smart phones can support multiple e-mail accounts. Others include access to the popular instant messaging services, like AOL's AIM and Yahoo! Messenger.

These are just some of the features that make a smart phone smart. The technology surrounding smart phones and cell phones is constantly changing, though. What constitutes a smart phone today may change by next week, next month, or next year.

Sumber : http://cellphones.about.com/od/smartphonebasics/a/what_is_smart.htm

Details :

1.       You’ll probably hear the term "smart phone" tossed around a lot, in the bold sentence we can see that If we are not so certain about the future, we use 'will' with expressions such as 'probably', 'possibly', 'I think', 'I hope'.

2.       if you've ever wondered exactly what a smart phone is,  you will not alone, it is the type of the if conditional and In these sentences, the time is the present and the situation is real. It is refer to a possible condition and its probable result.

3.    The result was the smart phone. Using past tense because in the previous sentences, we can see that the situation tells about the past.

4.       These are just some of the features that make a smart phone smart. Use "these" for more than one object (plural) which are here (near to us) or in the other hand, the word “these” is closely meaning of the features what smart phone have.