The components of IT infrastructure are made up of interdependent elements, and the two core groups of components are hardware and software. Hardware uses software like an operating system to work. And likewise, an operating system manages system resources and hardware. Operating systems also make connections between software applications and physical resources using networking components. 

Cloud computing infrastructure is the collection of hardware and software elements needed to enable cloud computing. It includes computing power, networking, and storage, as well as an interface for users to access their virtualized resources. 

Cyber security refers to every aspect of protecting an organization and its employees and assets against cyber threats. As cyberattacks become more common and sophisticated and corporate networks grow more complex, a variety of cyber security solutions are required to mitigate corporate cyber risk. 

Data recovery is the process of restoring data that has been lost, accidentally deleted, corrupted or made inaccessible. In enterprise IT, data recovery typically refers to the restoration of data to a desktop, laptop, server or external storage system from a backup. 

The promotion of brands to connect with potential customers using the internet and other forms of digital communication. This includes not only email, social media, and web-based advertising, but also text and multimedia messages as a marketing channel. 

IT services refers to the application of business and technical expertise to enable organizations in the creation, management and optimization of or access to information and business processes. The IT services market can be segmented by the type of skills that are employed to deliver the service (design, build, run). 

If they need to go to school every day and have a computer at their school desk, a laptop is sufficient. If they are studying at home and also want to be able to play games, stream, and edit YouTube videos, a desktop PC 

A service that companies offer to help users solve problems relating to their products or services. Technical support is typically available by phone or online through chat. Currently, many big- and mid-size businesses outsource their technical support operations. Some businesses also offer discussion forums, so their product users can communicate with one another before or after purchase.