Information technology (IT), as defined by the Information Technology Association of America (ITAA), is "the study, design, development, implementation, support or management of computer-based information systems, particularly software applications and computer hardware." IT deals with the use of electronic computers and computer software to convert, store, protect, process, transmit, and securely retrieve information.

Today, the term information technology has ballooned to encompass many aspects of computing and technology, and the term has become very recognizable. The information technology umbrella can be quite large, covering many fields. IT professionals perform a variety of duties that range from installing applications to designing complex computer networks and information databases. A few of the duties that IT professionals perform may include data management, networking, engineering computer hardware, database and software design, as well as the management and administration of entire systems.

When computer and communications technologies are combined, the result is information technology, or "infotech". Information Technology (IT) is a general term that describes any technology that helps to produce, manipulate, store, communicate, and/or disseminate information. Presumably, when speaking of Information Technology (IT) as a whole, it is noted that the use of computers and information are associated.

Ago, like we know, people was hard to communicated when they located in two different places. Time comes time, they started to communicate by using strike a drum, fire and smoke. And then, they stopped to used fire and smoke and they used a small massage that can sent by pigeon. The newest was Semaphore. Then, a man named Alexander Graham Bell fely hard to communicate with the other people. Finally, he succeed to made an important thing in Information history, telephone. Nowadays, telephone is an important things for all people. And, some of them are using handphone. And we can used internet very useful and the other facility in computer now for information.

Not only telephone, we can get information and do communication from television. Television is found by Paul Nipkow in 1883. The development of television is so fast. If, ago, we only can enjoy the Black-White Television. But now, there is a colorful television. In fact, now television is already in wide screen.

Not only that, we can get many information from newspaper. In newspaper, we can improve our knowledge. But, reseacrher start to look for a faster communicator things that can we used in the future. The researcher said, that will looked like a micron speaker. The micron speaker will placed in our tooth (just one). If we want to call someone, just close the teeth tightly and said the name that you want to call. If the speaker broken, just pull out it with a toothpicks and eat it.