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A computer is a machine that can be programmed to ... Computer engineering, Desktop publishing, Human–computer interaction, Information technology ...
The computer industry is made up of businesses involved in developing computer software, designing computer hardware and computer networking infrastructures, manufacturing computer components, and providing information technology services, including system administration and maintenance. [citation needed]
Information technology (IT) is a set of related fields that encompass computer systems, software, programming languages, data and information processing, and storage. [1] IT forms part of information and communications technology (ICT). [ 2 ]
Computer security is a branch of computer technology with the objective of protecting information from unauthorized access, disruption, or modification while maintaining the accessibility and usability of the system for its intended users. Historical cryptography is the art of writing and deciphering secret messages.
Information Technology Services: 38 DXC Technology: Information Technology Services: 155 CDW: Information Technology Services: 178 Cognizant: Information Technology Services: 194 Leidos Holdings: Information Technology Services: 289 Insight Enterprises: Information Technology Services: 409 Booz Allen Hamilton: Information Technology Services: 450
Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case.
Information and communications technology (ICT) is an extensional term for information technology (IT) that stresses the role of unified communications [1] and the integration of telecommunications (telephone lines and wireless signals) and computers, as well as necessary enterprise software, middleware, storage and audiovisual, that enable users to access, store, transmit, understand and ...
A computer repair technician is a person who repairs and maintains computers and servers. The technician 's responsibilities may extend to include building or configuring new hardware , installing and updating software packages, and creating and maintaining computer networks .