IT Key Terms Flashcards

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LAN
Local Area Network - Can connect all the computers in one location
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WAN
Wide Area Network - Connects users over a wider range
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Bandwidth
This is the capacity of a connection and is measured in bits per second
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Latency
This is the connection speed. Latency is measured in milliseconds - a low number = faster speed aka ping
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Protocols
A set of universal hardware and software rules used when connecting computers. The ethernet protocol defines how computers communicate with each other
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HTTP
Hyper Text Transfer Protocol
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HTTPS
Hyper Text Transfer Protocol with Secure Socket Layer
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POP
Post Office Protocol
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IMAP
Internet Message Access Protocol
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SMTP
Simple Mail Transfer Protocol
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VoIP
Voice over Internet Protocol
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Spyware
A type of software that can be installed on your computer without your knowledge or consent
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ADSL
Asymetric Digital Subscriber Line - offers an even faster speed because it uses telephone lines
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Network
A group of connected digital devices, such as a home computer network, the internet, a mobile phone network or a landline phone network
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Router/Modem
Connects computers to a network or to the internet
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Ethernet Bridge
This enables connection between different types of network (wired and wireless)
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Network Bands
The network (or frequency) band of a mobile phone limits the countries in which it can be used.
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Share information
Social network sites, wikis, forums, chat rooms etc.
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Mobile communication
Between digital devices such as mobile phones and computers. This can range from calls and texts (SMS and MMS) to instant messaging and VoIP
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Share files
Access to files that one stored on a networked drive enables collaborative working and means that files can be accessed on more computers
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Share printers
Multiple computers can share one printer, making it a cheaper option with less space required
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Play games
Ability to connect with users to play on-line games
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Access to the internet
Via a home computer network sharing the same broadband connection using Wi-Fi or wired connections or via a mobile phone network
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Internet
An interconnected network of computers containing web pages (World Wide Web) which can be accessed globally
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Mobile phone network (3G + 4G)
The wireless network standard used in mobile phone technology and provides
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Other cards in this set

Card 2

Front

Wide Area Network - Connects users over a wider range

Back

WAN

Card 3

Front

This is the capacity of a connection and is measured in bits per second

Back

Preview of the back of card 3

Card 4

Front

This is the connection speed. Latency is measured in milliseconds - a low number = faster speed aka ping

Back

Preview of the back of card 4

Card 5

Front

A set of universal hardware and software rules used when connecting computers. The ethernet protocol defines how computers communicate with each other

Back

Preview of the back of card 5
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