Information technology terms and definitions pdf
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- Computer Terms / Terminologies Definitions Dictionary PDF Download.
- Computer Terms Glossary PDF
- Information technology
- Glossary of IT Terms
Information technology IT is the use of computers to store, retrieve, transmit, and manipulate data  or information. IT is typically used within the context of business operations as opposed to personal or entertainment technologies. An information technology system IT system is generally an information system , a communications system , or, more specifically speaking, a computer system — including all hardware , software , and peripheral equipment — operated by a limited group of IT users.
Drive your business forward with Dataprise as your strategic partner. Discover best practices for remote employees and business leaders. Using ActiveX tools, interactive web content can be created. Example: In addition to viewing Word and Excel documents from within a browser, additional functionality such as animation, credit card transactions, or spreadsheet calculations.
Computer Terms / Terminologies Definitions Dictionary PDF Download.
Don't know your bandwidth from your back-end? Here's a handy glossary of tech terms. It can be downloaded free of charge from Adobe. It uses standard telephone lines to deliver high-speed data communications up to 24 megabytes per second. Analogue Analogue is a conventional method of transmitting data.
Standard landline telephones use analogue technology. It is distinct from digital technology, which provides for greater quality and speed of data transmission. Assistive technology Assistive technology refers to any software or hardware that acts to assist and improve the functional capabilities of people with disabilities. Examples include wheelchairs, prosthetics, voice-to-text technology and text-to-speech technology.
Attachment An attachment is a document sent with an email message. Many types of files can be sent this way e. Be wary of attaching large files because these can take a lot of time for the recipient to download.
If you have a large file, it is considered good practice to compress the file using software such as Winzip before attaching it. Back-end Back-end refers to the part of an application that performs an essential task not apparent to the user.
Backward compatible If software is backward compatible, it is compatible with earlier superseded versions of the same software. For example, the Microsoft word-processing program Word can read files created in the version of the same program, so it is backward compatible. Bandwidth Bandwidth refers to the maximum amount of data that can travel a communications path in a given time, usually measured in seconds.
Bit A bit short for binary digit is the smallest unit of measurement in computing. Bluetooth Bluetooth is a wireless communications technology intended to replace cables. It allows short-range connections between two or more Bluetooth-compatible devices such as mobile phones, tablets, headsets or medical equipment. Bookmark A bookmark is a saved link to a particular Web page. Microsoft Internet Explorer denotes bookmarks as "favourites.
Google allow you to limit your search or make it more specific by using words such as "and", "or" and "not". These words are known as boolean operators because of their origin as terms in logic. Boot re-boot To boot or re-boot is to load and initialise the operating system on a computer. Think of it as starting up your computer.
This means restarting the computer rather than turning it completely off and on again, which could cause damage to your computer's hard disk under some circumstances. Bounce back An email message that cannot be delivered and returns an error notification to the sender is said to "bounce back". If you receive such an error notification, check that you have typed the address correctly. Broadband Broadband is a type of communications technology whereby a single wire can carry more than one type of signal at once; for example, audio and video.
Cable TV is one technology that uses broadband data transmission. Browser A software program that allows you to surf the web. Cache When you download read a web page, the data is "cached," meaning it is temporarily stored on your computer.
The next time you want that page, instead of requesting the file from the web server, your web browser just accesses it from the cache, so the page loads quickly. The downside to this is that if the cached web page is often updated, you may miss the latest version. If you suspect that the web page you're seeing is not the latest version, use the "refresh" button on your browser. CAD is used by architects, engineers, artists and other professionals to create precise technical drawings.
Chip A chip is a microprocessor that performs many functions and calculations that make your computer run. Cloud computing Cloud computing refers to the storing and accessing of data and programs over the Internet instead of on another type of hard drive. Compression Compression is the reduction of the size of a file. Compressed files take up less memory and can be downloaded or sent over the Internet more quickly.
Content Content refers to a website's text and information, as opposed to its design and structure. Cookie A piece of code or data created by a web server and stored on a user's computer. It is used to keep track of the user's usage patterns and preferences. The CPU is responsible for performing calculations and tasks that make programs work. Cybercrime Cybercrime is any type of illegal activity that is undertaken or relies heavily on a computer.
There are thousands of types of cybercrime, including network intrusions, identity theft and the spreading of computer viruses. Cybersecurity Cybersecurity refers to measures designed to protect your computer, device or network from cybercrime. This involves preventing unintended and unauthorised access, change and damage.
Device driver A device driver is a small program that allows a peripheral device such as a printer or scanner to connect to your PC. Domain A domain is a set of computers on a network that are managed as a unit. Download Downloading is the method by which users access and save or "pull down" software or other files to their own computers from a remote computer via the Internet. DV DV stands for digital video. Email Email or electronic mail is a way of sending messages over the internet.
Encryption Encryption is the process of converting electronic data to an unrecognisable or encrypted form, one that cannot be easily understood by unauthorised parties. Ethernet Ethernet is the most common way of connecting computers on a network with a wired connection. It is a type of local area network LAN technology, providing a simple interface for connecting multiple devices.
Firewall A firewall is a barrier that acts as a security system to protect trusted computer systems and networks from outside connections and untrusted networks, such as the Internet. FTP File transfer protocol FTP is a common method of transferring files via the internet from one host to another host. Gateway A point within a network that interconnects with other networks. Because GIF files are compressed, they can be quickly and easily transmitted over a network.
GIF is one of the main graphics formats on the Internet. Hard disk The physical place where a computer stores information - applications and files - is known as its hard disk drive HDD. The bigger the HDD, the more data it can store.
Home page The page that an Internet browser first opens up to. It is usually the starting point of an organisation's or individual's website. The symbols tell web browsers how to display words and images - e.
Internet A set of interconnected networks that allow computers in different locations to exchange information. The Internet includes services such as the world wide web, electronic mail, file transfer protocol FTP , chat and remote access to networks and computers. Intranet An intranet is basically a private, internal internet specific to an organisation or group.
Java Java is a programming language that is commonly used in the development of client-server web applications. The format is commonlyl used for photos displayed on the world wide web. LAN A local area network LAN is a system that connects computers and other devices that share a common communications line and wireless link, generally within a limited geographical area such as a home or office building.
Malware "Malware" is short for malicious software. It refers to a software program that has been developed to do harm to other computers. Types of malware include viruses, worms and spyware. Megabyte A measure of computer processor storage and real and virtual memory.
A megabyte Mb is 2 to the 20th power bytes, or 1,, bytes in decimal notation. Megahertz Megahertz is the unit used to measure the speed of a computer's processor e. Online If a computer or computer user is online, it is currently connected to a network or to the Internet. Online also refers to resources and services available on the Internet - e.
Operating system An operating system OS is the software that manages all of a computer's processes and allows programs and applications to run. The most prominent operating system is Microsoft Windows. Phishing Phishing is a type of email fraud in which the perpetrator sends out emails that appear to come from a legitimate service or reputable company, such as a bank or an email service provider.
These emails aim to lure recipients to reveal confidential information that the perpetrator can use for their financial advantage - for example, online banking log-in details and passwords. Plug-in A software plug-in is a component that adds to a software program's functionality.
A POP account is an email account. Processor The processor is the brains of your computer. It is responsible for performing calculations and tasks that make programs work. The faster the processor, the faster the computer works.
Protocol A protocol is a standard or set of rules that computers and other devices use when communicating with one another. RAM Random access memory RAM is usually referred to as a computer's "memory" - it stores information used by programs. Generally, the larger your computer's RAM, the more programs it can run at once without slowing down. Read-only A read-only file cannot be edited, modified or deleted. Resolution Resolution refers to the number of distinct pixels that make up the display on a computer monitor.
It is denoted in DPI dots per inch. The higher the resolution, the finer and smoother the images appear when displayed at a given size. It is the part of a computer's memory that cannot be changed by a user. The contents of ROM remain even when the computer is turned off.
Computer Terms Glossary PDF
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'information technology. Send us feedback. Time Traveler for information technology. See more words from the same year. Accessed 13 Mar.
Learn about common IT terms, technical jargon and information technology web page (IE and Firefox) or to a specified location within a document (PDF).
Don't know your bandwidth from your back-end? Here's a handy glossary of tech terms. It can be downloaded free of charge from Adobe. It uses standard telephone lines to deliver high-speed data communications up to 24 megabytes per second.
Glossary of IT Terms
While IT is often used to describe computers and computer networks, it actually includes all layers of all systems within an organization -- from the physical hardware to the operating systems, applications, databases, storage, servers and more. Telecommunication technologies, including Internet and business phones are also part of an organization's IT infrastructure. Many companies now have IT departments for managing the computers, networks, and other technical areas of their businesses. IT jobs include computer programming, network administration, computer engineering, Web development, technical support, and many other related occupations.
Agencies may wish to include other costs at their discretion. For example, an agency may wish to include digital cameras in their IT budget even though they can be operated stand-alone. Data entry personnel may be included if they are considered part of the technology staff.
text processing. This dictionary is ideal not only for students of computing but for those studying the related fields of Information Technology, mathematics.
Ability to use, create, modify, view, or otherwise manipulate information on a system. Access control is the means by which the ability to use, create, modify, view, etc. The combination of user name and password that provides an individual, group, or service with access to a computer system or computer network. This can include anti-virus software and spyware protection. The process of confirming a claimed identity.
Стратмор вяло махнул рукой в сторону монитора. Сьюзан посмотрела на экран и перевела взгляд на диалоговое окно. В самом низу она увидела слова: РАССКАЖИТЕ МИРУ О ТРАНСТЕКСТЕ СЕЙЧАС ВАС МОЖЕТ СПАСТИ ТОЛЬКО ПРАВДА Сьюзан похолодела.