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114 Cards in this Set
- Front
- Back
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Online Services
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Service that can be used for anything online. It can include personal business, booking holidays, flights and concerts, advertisement, entertainment and communication purposes.
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Real Time information
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When information is available immediately allowing to react to it.
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Commerce
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This helps us buy things online that we would otherwise have to go out to the shops and buy it's quick easy and cheaper. there's three main types of commerce there's retail websites they're things like Tesco online and Amazon.
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VLE
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Websites that help with education when you nedd to catch up on work or do online schooling.
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Online Advertising
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When a company use the internet to advertise their website, equipment or jobs etc.
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Search engine
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Software used to find something anywhere on the internet.
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Banner Ads
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This when an advert pops up on the top or bottom of the screen.
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Spam
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Junk email where identical messages are sent to a number of recipients.
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Unsolicited bulk email
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Emails that are sent to a large number of people who haven't requested them.
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Affiliate Model
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Company a website arranges for its company name to be advertised on company B website via a link. Company B receives money from company A whenever web visitors to company B website click to link on company A website.
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Pay Per Click
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A way of advertising where by if somebody clicks on the advert yoiu get a small amount of money per click.
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Online Communication
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Passing information from one person to an other; whether that be between business' or personal messages you can use software like: blogs, podcasts, wikis and other social media site such as Facebook.
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Online community
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A group of people working together to achieve a particular goal.
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Network of friends
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A group of people who jointly keep up-to-date contact online. This may be a specific network of a group of people keeping in touch over social networking sites.
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Virtual world
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Online world that copies the real world.
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Netiquette
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The conventions are designed to prevent people causing offence or annoyance to others. it could be said that this key term is a set of rules or respect that that the vast majority of people stick to when using the internet.
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Chat
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In this context refers to any kind of online real-time communication over the internet.
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Chatroom
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Something people use to chat over the internet when they talk to more than one person or in a group.
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Profile
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A collection of personal data about a specific person. This may also include a list of interests and photographs. You will have created one if you have facebook.
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Web logs (Blogs)
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Used to explain what people have done or what their views are on things. It can be used to express news to friends and family or anyone who reads it.
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Microblogging
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These are websites that allow users to creat and exchange very short text entries.
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Wikis
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Sites created by friends that can be edited and saved adding information. this is easier then emails as you don't have loads of emails flooding you your inbox and creating a mess.
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Voice over internet protocol VoIP
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Skype is an example application which uses this set of rules (protocol) to allow people to communicate over the internet. it allows people to interact in real time using voice/and or video messaging and is available anywhere in the world.
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Online Documents
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You create these files on a online server which allows you to access anywhere, any time form any computer. these are very popular in business' because it means they don't have to download anything an they can access the work they do in the office.
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Uploading
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When a file is moved from your computer to another online computer. For example you decide to move photos taken last night to your Facebook page.
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Algorithms
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A mathematical step-by-step sequence used to work out calculations or carry-out instructions.
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Downloading
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This is when you move files from another online system i.e. music from iTunes to your personal computer.
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Version Control
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A way of tracking changes to documents and making sure that you are working on the most up-to-date version. Older versions of the document a kept encase the up-to-date version is lost or becomes corrupted.
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Locked document
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You double click a document, but can't open it, as someone else has already has it open it when the person who has the document has the document open (to update/edit) has finished and closes the.document.
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File permissions
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Access rights granted to specific users and groups of user. These rights control which users can view or make changes to the contents of files on the system.
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Zip Folder
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When you can put loads of smaller files into one big file so it quicker and easier to send.
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Read only access
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This when you can only read a document and you are not able to edit it.
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Read/write access
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This when you can read and write on a document but cant add images etc. you have a bit of control over the document.
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Full control
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This when you are able to do whatever you want with the document write, add images and edit it.
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Cloud Computing
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This is when a computer uses online services provided by another organisation's computer systems.
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Servers
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A computer hardware system which acts as a host for other computers on the same network.
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Cloud Storage
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This is when you save your files not on your own computer but online using the storage facilities hosted by another computer.
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radio frecency identification RFID
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The use of a wireless non-contact system that uses radio waves to transfer data from a tag attached to an object. the technology is mainly used for tracking.
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Ubiquitous Computing
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This is the generic term used for devices such as RFID this term means 'existing anywhere'. In phones, watches, cars etc.
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Internet
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Can be used it all over the world and is important for businesses and helps people research information they need for school work or anything else.
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Network
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This is when loads of computers are linked to one place like a tree with all the branches coming off it. This is used in school so all the files are saved in one place so you can log on to any computer.
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Protocol
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A set of rules you follow when online.
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POP-Point of presence
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It contains all the software for your access of the internet.
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NAP-Network access point
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ISPs connect with each other peering arrangements.
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IP-Internet protocol
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Specifies the format of packets also called data grams and the addressing scheme it establishes a virtual connection between a destination and a source.
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TCP-Transmission control protocol
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Enables two hosts to establish a connection and exchange streams of data.
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FTP-File transfer protocol
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Standard network protocol used to transfer files from one host to another host over a TCP-base network, such as the internet.
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ISP-Internet service provider
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A software, package, username, password and an access phone number you can log on and browse the internet.
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Server
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A software that responds to requests across a network. It stores work and data so when you switch it back on its all still there.
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Client
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All the people that used a server or network.
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Router
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Fforwards data to a destination. This creates an overlay as its connected to more than one network.
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Connecting Backbone
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Something that provides the main route for the internet.
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Wireless connection
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When something is connected to the internet, server or router without wires.
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Broadband connection
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Internet connection provied by internet sevice providers (isp)
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Dial up connection
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When a computer dials the number of your internet server for you to be able to connect to the interent.
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Bandwidth
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Something that transmits information from your computer to an ISP
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Ethernet
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A network od devices connected togther for example a school or company.
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Bit
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Eight of these makes one byte.
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WWW
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World wide web.
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Hyperlink
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A link that when clicked on takes the reader to a different webpage or to a different website.
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Web server
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A server desinged store and upload websites onto.
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HTML
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Computer language used to create webpages. It relies on a series of tags and then the elements between each tag form up to create a webpage.
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HTML element
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Refers to part of a code (tags) which make up a webpage for example <body>
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URL (and three parts that make up a URL)
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uniform resource locator
1. path name 2. domain name 3. protocol |
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Email
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Mail sent electronically over the internet.
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Store and Forward system
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This when the server stores the email you've been sent until you log in and then forwards it to you.
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Address Book
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A book you store address' in.
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Attachment
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When you send an email and add a file.
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CC-carbon copy.
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When you send an email to a mutiple group of and they can all see who you sent it to.
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BCC-blind carbon copy.
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When you send an email to a mutiple group of and they can't see who youve sent it to.
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Hack
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When somebody deals your identification to purchase things over the internet.
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POP3-Post office protocol
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When you store emails on your server so they don't get lost.
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SMTP-Simple mail transfer a protocol
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For sending email messages between servers.
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IMAP-internet message access protocol
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You can search through your messages whilst they are still on mail server then you can choose which messages you download to you machine.
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Data Exchange
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Is the transfer of information from one clinet to another (downloading)
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Data
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Facts and statistics collected together for reference or analysis.
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Peripheral
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Something that provides extra functionallity to a computer but you don't necessarily need.
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Codec
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Used to encode a file into a particaular format for example so it uses less space.
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Internet Packets
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Information which is seperated into smaller pieces which are sent over the internet. They are then joined back together at the end.
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Wireless Networks
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A network that can be accessed without wires. this could be a home or buisness network.
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Twisted Pair Cables
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TYPE OF CABLE-commonly used for ethernet cables these contain four pairs of wires.
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Coaxial
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TYPE OF CABLE- commonly used to connect TV and digital devices.
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Fibre Optic
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TYPE OF CABLE- commonly used to connect network devices together.
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Infrared
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A wireless method of data transfer between 2 devices eg. remote control.
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Satellite (Geostationary satellites)
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A satellite in Geostationary orbit, with an orbital period the same as the Earth's rotation period
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Mbps
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short for megabits per second, a measure of data transfer speed (a megabit is equal to one million bits).
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Gbps
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Short for Gigabits per second, a data transfer speed measurement for high-speed networks such as Gigabit Ethernet.
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Byte
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A group of binary digits or bits (usually eight) operated on as a unit.
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USB
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An external bus standard that supports data transfer rates.
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Simplex
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One way transmission between to devices such as computer to printer.
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Half Duplex
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Transmissions go both ways but only one at a time such as walkie talkies.
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Full Duplex
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transmissions can go both ways at the same time such as telephones.
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Client Side Processing
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Work that is done on the clients computer.
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Server Side Processing
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Work that is carried out on a server sent from the clients computer.
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Data Storage
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The storage of files, images etc.
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Database
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A structured set of data held in a computer, especially one that is accessible in various ways.
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Table
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A way to organise information in columns and rows.
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Record
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A record is a value that contains other values.
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Field
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Data that has several parts can be divided into fields.
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Primary Key
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A key that uniquely defines the characteristics of each row.
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Foreign Key
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A field (or collection of fields) in one table that uniquely identifies a row of another table.
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Data Types
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A particular kind of data item, as defined by the values it can take, the programming language used, or the operations that can be performed on it.
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Online Database
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A database accessible from a network, including from the Internet.
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Database Management system
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Software that handles the storage, retrieval, and updating of data in a computer system.
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SQL-Structures query language
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Is the industry standard language for designing and communicating with relational databases.
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DDL-Data Definition Language
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Those statements in SQL that define, as opposed to manipulate, data. The schema of a database is created or modified with DDL. For example, CREATE TABLE, CREATE INDEX, GRANT, and REVOKE are SQL DDL statements.
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DML-Data Manipulation Language
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Those statements in SQL that manipulate, as opposed to define, data. The values in a database are selected and modified with DML. For example, INSERT, UPDATE, DELETE, and SELECT are SQL DML statements.
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Malware
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Software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems.
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Phishing
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The act of attempting to acquire information such as usernames, passwords, and credit card details.
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Viruses
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A piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.
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Password
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Something you use to protect your accounts so that people cant use them.
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Collaborative working
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Large scale interactive conferencing with many people involved in the same conversation at the same time.
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Messaging
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Exchange of textual messages as an alternative to calling and at a fraction of the cost. They are sent real time.
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Social networking
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examples of this key term are: twitter, Facebook, google+ and Myspace
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