The concept of information technology refers to the use of equipment telecommunications and computers (computers) for transmission, processing and storage of data. The notion encompasses issues specific to computing, electronics and telecommunications.

It is important to note that the idea of ​​information technology emerged in the middle of the twentieth century. However, the human being already stored, processed and transmitted information several millennia before Christ. These processes, of course, were very different from the current ones.

Computer and phone

Information technology allows data to be processed, stored and transmitted.

The importance of data storage and dissemination

Throughout history, the need to store and propagate information has become increasingly important, and today they are basic issues for the development of human life. Many of the limitations of the early days of computing have been overcome, such as device dimensions, processing speed, and memory volatility (early storage media were unable to retain data once it was interrupted). electrical power supply, as well as memory RAM), but there are still many pending challenges, the stability of the Internet being one of the main ones, without neglecting the abysmal differences between providers from developed countries compared to underdeveloped ones.

This makes the notion associated with computers, although it also includes other devices such as televisions, the phones and tablets. Today, information technology is indispensable in a large number of fields, from academic to work, through leisure and interpersonal communications.


Computers play a central role in information technology.

Information technology in business and in everyday life

Most of the Business Today they make use of information technology constantly. Take the case of a clothing store which has a website where it presents data on its products and, in addition, uses e-mail to contact its customers and suppliers. On the premises, a computer allows operations to be recorded and invoices issued to buyers. In addition, the stock movements are recorded on the computer.

Many persons They also use information technology in everyday life, communicating by email, chat or telephone; watching television for information; and using video game consoles as entertainment, to name just a few activities.

Professionals in area management

One of the most popular jobs today is Management information technology services, which comes from English Information Technology Service Management, and which is generally known as IT Management, even in Spanish-speaking countries (note that the acronym for “information technology” in English is written with the letters in the opposite order to that of our language).

A professional in this field is expected to have acquired the necessary knowledge to design, develop, apply and maintain computer information systems, in addition to being able to provide medium to the other employees of the company in which he works. It is a complementary role, for example, to that of programmers, since it is in charge of the installation and maintenance of all the programs used in the company, the administration and repair of the networks and the updating of the devices.

Every time the operating system, the antivirus or any of the company’s programs must be installed or updated, the person responsible for IT Management takes action; in the same way, he must assist his colleagues to solve software and hardware problems, take care of replacing defective parts, design and implement the structure of the networks to supply all employees with Internet and intranet connection, and even write small programs computer science that serve to streamline certain processes and thus avoid the need to work on each computer in particular.