Tuesday, April 6, 2010

handphone

A hand phone is a cellular device introduced to ease communication among people. Its size has evolved over its course, and recently, the qwerty pad has become highly popular, particularly in smart phones such as iPhones and Blackberries.


A mobile phone or mobile is an electronic device used for mobile telecommunications such as mobile telephone, text messaging or data transmission over a cellular network of specialized base stations known as cell sites. Mobile phones differ from cordless telephones, which only offer telephone service within limited range, e.g. within a home or an office, through a fixed line and a base station owned by the subscriber and also from satellite phones and radio telephones.


As opposed to a radio telephone , a cell phone offers full duplex communication, automates calling to and paging from a public land mobile network (PLMN ), and handoff (handover) during a phone call when the user moves from one cell (base station coverage area) to another. Most current cell phones connect to a cellular network consisting of switching points and base stations owned by a mobile network operator.


In addition to the standard voice function, current mobile phones may support many additional services , and accessories , such as SMS for text messaging , email , packet switching for access to the Internet , gaming, Bluetooth , infrared , camera with video recorder and MMS for sending and receiving photos and video , MP3 player , radio and GPS .


Based on the definition above, it shows that mobile phone offers variety of function that people could not afford to do. It also gives a big impact on society that people in this era cannot live without communication or specifically hand phones. How does it affect the society? As we know, communication is important to deliver and receive information. Mobile phones function to send information directly through conversation between two people in distant.


In this era, mobile or cell phone has become an important or must-have-device in the world. Even young kids nowadays also own a cell phone to make communication easier. Besides that, there’s another form of cell phone that also convey information that place in society that is public phone. As we all know, it does give a big impact on our society. Imagine your life without cell phone? How can you convey messages to a far-away friend in instance? What will you do if there is an emergency or bad things happen around you? Where do you want to call for help if there is no person in that area? That is why cell phone or hand phone is so important.


Moreover, mobile phones also act as a companion for people. Some of the hand phones come with such service that is camera, video recording and also internet. By having cell phones, people also can interact with people around the world through mobile Facebook, Myspace, Twitter, Yahoo Messenger and ect. From this kind of technology, we can connect with people around the world directly through your phone.


Maybe in the future, there’s something much more advance and interesting that makes communication easier than cell phones. Let’s look ahead for that improvement one day in the future!