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IT, or Information Technology, is the use of computer systems, software, hardware, and networks to store, retrieve, transmit, and manipulate data. It is a broad term that includes everything from managing a business's computer systems and networks to building and maintaining the infrastructure, and also encompasses related areas like telecommunications and cybersecurity. IT professionals are responsible for ensuring technology operates effectively to support business or organizational functions.

Key components of IT

Hardware: Physical devices like computers, servers, and networking equipment.

Software: Programs and operating systems that run on the hardware.

Networks: The infrastructure that connects computers and allows them to communicate.

Data management: The processes of creating, storing, securing, and manipulating electronic data.

Telecommunications: A key part of IT that includes email, phone services, and internet connectivity.

Support and security: The services that maintain and protect the IT environment, including troubleshooting and cybersecurity.