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77 Cards in this Set
- Front
- Back
3G / 4G (LTE)
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Generations of mobile (cellular) phone technology that consists of a high-tech infrastructure of networks.
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802.11 a/b/g/n
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Specification used to indicate whether a device has a wireless adapter (for WiFi). The letters indicate the speed that the wireless network is capable of.
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Add-on / Extension (browser)
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A third-party app that can be downloaded to extend the functionality of a browser beyond browsing, e.g. translator utilities and ad blockers.
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ADSL
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A permanent digital connection to the internet using a normal landline or telephone line.
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Archiving (email)
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Moving messages from your inbox to a folder without deleting them.
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AUP
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A policy which outlines the rights and responsibilities of its users, especially in networked environments.
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Backbone
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In networking, a cable connecting different LANs.
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Bandwidth
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The total amount of data that can be transferred from one point to another in a given period of time. Normally measured in Kilobits per second (Kbps) or Megabits per second (Mbps).
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Bookmarks (web browser)
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An option that allows a user to store shortcuts to the web pages they frequently visit. Also known as Favorites.
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Botnet
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A group of compromised or infected computers connected to a network such as the internet and controlled remotely to attack other machines by infecting them with malware, sending spam, etc.
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Broadband
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A high-speed, high-bandwidth connection to the internet.
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BYOD
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A policy where people are allowed to bring their own computing device (laptop, phone or tablet) to school or work and use it instead of relying on equipment owned or supplied by the school or company. They connect to the school or company network using WiFi.
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Caching (web)
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Temporarily storing recently accessed web pages on disk so that they can be loaded more quickly the next time they are requested.
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Cap
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The limited amount of data that can be downloaded and uploaded in a month without having to pay extra.
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CAPTCHA
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A test to determine whether it is a human being interacting with the computer. It usually takes the form of distorted letters and/or words that no computer software can recognize, but which humans can recognize with ease.
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Clients
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Computers connected to a network that use services and resources from the servers.
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Distributed processing
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A type of processing where the processing that is necessary to solve a problem is distributed amongst computers (multiple servers in different data centres), which increases the total processing power.
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Distribution list (email)
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A list of email addresses grouped under a single name. An email sent to this mailing list will be sent to all the email addresses on that list.
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E-commerce
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The general term for any type of business transaction done via the internet.
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EFT
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Transferring money from one account to another using the internet and internet banking.
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Email
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The composing, sending and receiving of messages electronically over a network including the internet.
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Fibre cable
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A type of network cable that uses light to send data and is therefore very fast.
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Firewall
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It acts as a barrier between your computer and the internet. It checks which programs are trying to access your computer via the internet or are trying to access the internet from your computer. It can consist of hardware or software or a combination of both.
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Grid computing
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A system whereby the resources of different computers are shared and used at the same time to solve a single problem.
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HAN
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A small network within a home environment that connects devices such as computers, printers, tablets, smartphones, smart TVs and gaming devices.
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History (web browser)
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An option that allows a user to find the web pages they have previously visited. When you click this option, it shows a list of sites you have visited.
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Home page
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The first page of a website, which contains information about the website’s purpose and content. It also provides links to other web pages and resources in the site.
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Hotspot
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The area in which a WiFi signal can be detected and used.
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Hyperlink
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A built-in connection to another place in a document (web page, resource), often indicated as text underlined in blue.
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Instant Messaging (IM)
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Live electronic communication usually between two people using computers or other devices such as smartphones. It can share not only text, but images and video, and can make both voice and video calls using VoIP technology.
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Internet
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A worldwide computer network, consisting of computers, devices and networks that are linked using some form of communication media.
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Intranet
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An organisation’s private network which is an internet-like environment consisting of web pages relating to the organisation’s business. The information stored on the network is only available to the organisation’s employees.
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IP address
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A numerical address that uniquely identifies a computer or device, either on a network or on the internet.
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ISP
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A company that has a permanent, fast connection to the internet. They sell internet access and services to individuals or organisations for a monthly fee.
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ISP-based email
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You access your email by using software such as Microsoft Outlook on the device where your account settings have been configured.
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LAN
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A network which connects computers in a small area such as a school, university campus or company offices in one building.
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LTE
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The next generation of high-speed cellular connectivity after 3G, also known as 4G.
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Mailing list
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A list of email addresses grouped under a single name. An email sent to this will be sent to all the email addresses on that list. Also known as a distribution list or a contact group.
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NFC
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A standard or technology that allows electronic devices to connect wirelessly and exchange data, simply by touching them together or bringing them close together. It is mainly used for payment processing.
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NIC
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A controller that connects the computer to a cabled network, allowing the computer to communicate with the network.
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PAN
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A network organised around an individual or a couple of individuals with a range of a few metres.
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Podcast
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An audio file (often in an MP3 format) that is made available to download for free or to purchase from the internet. A vodcast includes video clips or photos.
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Pop-up (web browser)
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A small web browser window that appears on top of the website you are viewing. They are usually created by advertisers and often open as soon as you visit a website.
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Real-time messaging
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Online exchange of messages (also images, video and voice) in real time. It includes IM (e.g. WhatsApp) and chat.
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Router
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A network device that enables devices to connect in a network and to allow internet connectivity, using either a fixed line (telephone line or fibre optic cable) or wireless means such as WiFi.
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Search engine
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A program that is used to search for documents located on the web by using keywords or phrases entered by the user.
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Secure URL
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A URL that begins with https:// or has a small closed lock displayed somewhere on the page, often next to the URL. It means that the site is encrypted for security.
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Shaped connection (network tuning)
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An internet connection where preference is given to certain services on the internet, such as email, downloading and browsing. Other services, such as online gaming and VoIP, are given less preference and are slower.
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Skype
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A popular software package that allows people to communicate using VoIP. It also allows you to make video calls if you have a webcam attached to your computer.
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Social networking site
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A site where individuals and organisations can post their likes, dislikes, interests, comments, photographs and activities.
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Spam
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The electronic equivalent of ‘junk mail’ – email advertisements sent to you that you did not request.
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Switch
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A device used to connect computers in a network (e.g. a LAN) with cables so that communication can occur between the computers. It is not used for internet access.
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Synching
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A feature of online storage, where changes made to a file will be updated on all devices that share that file. In this way you can ensure that you always work with the latest version of the file
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Tabbed browsing
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Allows you to have several web pages open on separate tabs of a single web browser, allowing you to quickly and easily jump between web pages.
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Thin client
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A special (cheaper) type of computer that doesn’t have its own hard drive and has limited memory and CPU power. It relies on a server for resources.
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Throttling
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When your ISP slow down your internet connection, because the ISP believes you are downloading excessively. Each ISP has an acceptable use policy (AUP) which specifies how this is determined and done.
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Twitter
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A microblogging service (‘micro’ is used to describe the service because messages in Twitter can’t be longer than 280 characters). Twitter allows people to send messages (tweets) to their ‘followers’.
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Unshaped connection
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An internet connection that gives all the internet services the same priority.
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URL shortener
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A tool or service, such as TinyURL.com, which converts a long URL to a shorter version. This shorter version of the URL will take a user to the same web address, but is easier to remember and/or type out.
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URL
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A unique alphanumeric address used to identify resources such as websites, web pages, documents and files stored on web servers on the web. It is entered in the address bar of a web browser.
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UTP cable
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The type of cable most commonly used to connect computers in a LAN, and also in a HAN.
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Video blog (vlog)
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A form of blog which uses video as the medium. Entries normally consist of video supported by text and images.
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Video conference
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An online conference between two or more people at different locations, using a computer network to transmit audio and video data, as if all the people were in the same room.
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Virtual community
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A group of people who gather online to share ideas and interests.
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Virus signature (definition)
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The pattern that uniquely identifies the malware.
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Vodcast
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Includes video clips or photos, that is made available to download for free or to purchase from the internet
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VoIP
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A technology that allows telephone calls to be made over LANs, WANs and the internet, allowing you to talk to anyone who also has this technology, anywhere in the world.
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WAN
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A network that is spread over a wide geographical area, such as a city, country or even continents.
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Web application / Online software
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Software that runs on servers on the internet. You view the interface in a web browser.
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Web page
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A document on the web which can be viewed in a web browser, and created in languages such as HTML, JavaScript, PHP and Python.
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Web-based email
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A service that allows you to access an email account through a web browser from any location that has internet access.
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Weblog / blog
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Website updated often with news and events in chronological or sequential order. It reads like a journal with the most recent entry at the top.
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WiFi
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A way of connecting to an existing ADSL or fibre connection wirelessly, within a fairly small area of coverage known as a hotspot.
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Wiki
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A website where different people can work together by contributing or making a few changes to the content.
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WiMAX
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An upgrade on WiFi and a more secure wireless networking technology, that allows wireless devices to communicate with one another over a much wider area than WiFi.
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WLAN
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A term used to indicate that at least part of the network is linked wirelessly.
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World Wide Web (WWW)
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A service that runs on the internet and consists of a vast collection of interlinked, interactive documents stored on computers all over the world.
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