In computer networks, networked computing devices exchange data with each other using a data link. A computer network is a group of computers that shares information across wireless or wired technology.Computer networks are built with a combination of hardware and software.
Software is a general term for the various kinds of programs used to operate computers and data that direct the operations of the computer systems or other electronic devices and Internet browsers. Anything that can be stored electronically is software, in contrast to storage devices and display devices which are called hardware.
Communications technology refers to all of the technology used to manage telecommunications, broadcast media, audiovisual processing systems, and network-based control and monitoring functions.
Information Technology Security, also known as IT, Security is the process of implementing measures and systems designed to securely protect and safeguard information, data, voice conversations and prevent unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of such information.