In this globalization era, time and distance no more being obstacles for communication and information. Human being was helped by technology on this case. One of best invention in Information and Telecommunication are internet. Internet makes it easier to gain information and stay connected with your entire colleague all around the world. Today, internet can be simply accessed from most place of the world, not only from stationary computer, but also from mobile computer. you can accessing facebook, yahoo, or google while you are in the midle of your vacation in a hidden island, as a sample. Since 1990 many types of mobile computers have been introduced. There are several categories of portable computing devices: portable computers, keyboardless tablet PCs, Internet tablets, PDAs, Ultra Mobile PCs (UMPCs) and smartphones.
A Portable computer is a general-purpose computer that has a mobility (easily moved from place to place), it requires some "setting-up" and an AC power source in order to use it.
A Tablet PC known as non-convertible Tablet PC, lacks a keyboard is shaped like slate or a paper notebook, features a touchscreen with a stylus and handwriting recognition software. Tablets may not be best suited for typing, but are otherwise capable of carrying out most tasks that an ordinary laptop would be able to perform.
An Internet tablet is an Internet appliance in tablet form. Unlike a Tablet PC, an Internet tablet does not have much computing power and its applications suite is limited, and it can not replace a general purpose computer. Internet tablets typically feature an MP3 and video player, a web browser, a chat application and a picture viewer such as iPod touch.
A Personal digital assistant (PDA) is a small, usually pocket-sized, computer with limited functionality. It is intended to supplement and to synchronize with a desktop computer, giving access to contacts, address book, notes, e-mail and other features. An Ultra Mobile PC is a full-featured, PDA-sized computer running a general-purpose operating system.
A Smart phone is a PDA with integrated cellphone functionality. Current smartphones have a wide range of features and installable applications.
Technology growth was unstoppable, everything impossible can be possible. As a human we must be wise in using it. Used it only for the good things, don’t use it for the bad things.