What is IT?

Although many people are familiar with their computers and other forms of communication, they still don’t have a real understanding of IT. In it’s long form, it means information technology. It belongs within the same technical family as information and communication technology (ICT).  Most people will restrict this to computer technology, although it does include other devices besides computers such as telephones and televisions, for example. For most, it pertains to computer based information systems.


Since the introduction of Information Technology, it has evolved through various stages.


For the average individual, the IT they rely on in regard to their computers, is based on the following use.


Data Storage

The data storage capabilities in a computer are made up of a variety of components. It is governed through the use of input and output. It also includes the component of the CPU, which is the central processing unit. Computer users have the ability to store data on their computers, like their files and programs.


Data Retrieval

If one is going to store data on one’s computer, then there has to be a way to retrieve that data in various forms so it is easy to use.


Data Transmission

Efficient computers will allow for the data to be transmitted to other sources.


These are just part of the basics of IT, and gives one a simple understanding as to its importance when it comes to computer use relying on IT.


In the business world, most businesses realize that they have to rely on IT in order to be successful. It is looked at as having three important functions. The first is computational data processing. Then an additional important function is support for decisions, and thirdly the integration of business software.


Small businesses which are relying on IT need to have professionals that they can rely on for their proper functioning and maintenance. In these cases, they may outsource these responsibilities to companies which offer this type of service. For larger companies, they often have in house IT departments. These departments have to take on a lot of responsibility and the tasks they perform are critically important to the company.


Then when a company needs to go beyond their basic information technology needs, they may still have to rely on outside resources to provide services like the development of software, or for project management that is required on a larger scale.


When jobs are posted for the IT industry, this can cover a wide spectrum. It can include the IT architecture as well as engineering, along with administrative IT positions. Once an individual takes one of these positions they often find that there are many sub categories that they may have opportunities in.