Information Technology Services Key Terms
Learn fundamental terms of information technology so you can make the right choice for your business
Information technology has been an important component for computer and software companies, as well as the telecommunications and electronics industries, helping companies to become efficient and productive. Network engineers have been able to develop and implement sophisticated network systems so that employees can work remotely or stream video over the network. Software developers have created applications tailored for business’ needs. To learn about information technology and how it is evolving, it is important to understand these key terms.
Information technology
Information technology involves using hardware and software to retrieve, store, manipulate, and protect data. IT professionals, which include network engineers, network administrators, and software developers, analyze, design, develop, deploy, and manage information technology systems.
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Computer hardware
Computers consist of hardware components, such as the CPU (central processing unit), RAM (random access memory), video and audio cards, hard drives, and CD-ROM drives.
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Software
Computer software consists of computer data or instructions. Software can be broken down into two categories: applications software and systems software. Applications software consists of database management systems, word processors, and spreadsheets. Systems software, on the other hand, contains operating systems and utilities.
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Computer networks
Computer networks are made up of interconnected computers, including personal computers and servers. However, there are other powerful network devices that computer networks use. These are routers and switches. Computer networks use various interconnection technologies, including Ethernet, fiber, and wireless LAN (local access network).
Try: Tech-Source talks about the different network topologies in information technology.
Databases
Databases are comprised of collections of data or records. A computer or server stores these records. Database designers construct databases based on database models. The most popular database model is the relational model.
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Security
Network or information technology security involves preventing intruders from breaking into the network. Network security administrators also develop and implement policies and procedures.
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