Information technology (IT) are the networks of computers and telecommunications that enable us to store, exchange and process information. These include the software and devices that allow us to communicate via email, instant messaging or spreadsheets. We can also pursue hobbies such as genealogy or gardening with specialized word processors or graphing software.
The technology lets people quickly access and organize huge amounts of data, which results in greater efficiency. It permits the analysis of huge amounts of data, and allows decisions to be made at a much faster pace.
The business world increasingly requires information technology in order to function. It can assist companies monitor employee time and attendance and automate tasks that previously required manual effort or human intervention, streamline operations and increase productivity. It can be used to keep track of inventory and provide real-time service to customers.
Users often have to learn new information technologies at a rapid pace. Many IT careers are focused on the creation, maintenance and support of these systems. Information security analysts supervise cybersecurity, computer support specialists offer technical support to users and network administrators establish and maintain communications networks such as WANs and LANs.
The public must be aware of technology to participate fully in the world. A citizen who understands how information is displayed on personal websites may be better able to evaluate the potential risks and advantages of allowing public access to private data such as credit card transactions or family photos and will have an informed understanding of issues like child pornography and free expression on the Internet.