Does the term IT or Information Technology ring any bell to you? Yes, you got it right. IT support is a wide-ranging field that encompasses most aspects of computer-based technology, and it covers a range of services in terms of IT-related issues, such as troubleshooting and resolving hardware, software, and application issues, installation of computers and peripherals, data backup and recovery, network management, maintenance of security systems, system upgrades or updates, internet connection setup, and configuration, etc.