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ICT-UNIT 3, Entertain me- what to buy? (NOTES)
Setting up a multi-media system 24/04/13

HDTV-High Definition TV
High Definition (HD)-Picture on the screen is clearer + sharper b/c it is made up of more lines of pixels.
High Definition Multimedia Interface (HDMI) - This is required for connecting devices,…

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CONs of Consoles
One component breaks, whole unit needs to be replaced
Used for one purpose only
Can't play against user's of different consoles (not compatible)

PROs of Laptops
Lots of multi-player games available
Edit games + modify maps
Upgrades
Higher resolution
Different brands of computers still enable you…

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Bandwidth measures capacity of connection (bps). More bps transferred=greater connection capacity.
Latency measures speed of connection (millisecond); less time=greater speed of connection.

Why are bandwidth + latency important for gaming?
Bandwidth determines volume of data flowing through a connection. Latency determines the speed of that flow.
Gaming requires transmissions…

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Not all telephone exchanges are equipped for broadband, thus the signals can't be changed into data signals.

Firewall- system designed to prevent unauthorised access to computer when connected to internet.

Choosing an ISP 25/04/13

Things to consider:
Cost- ISP's have monthly charge, can vary, and set up cost +…

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Whichever method, a router is needed to connect to the ADSL or cable modem. Router connects all computers to the
modem.



IP address- personal address of the computer. Servers know where to send requested info.

Computers need an internal IP address to communicate with each other, as well as…

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Avoid free sites b/c all reputable legal sites will charge for the files you download
Check the download conditions in the small print. Sometimes you can watch a film, but NOT copy it onto DVD.
Digital Rights Management (DRM) prevents you from doing this.
Use reputable websites e.g. iTunes…

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Lies to family about time spent on games
Rather play games than spend family time
No hobbies + interests anymore
Irritated + agitated when not playing games

Avoiding RSI

Regular breaks
Ergonomically designed equipment
Hand + finger exercises

Identity theft- criminals find personal info about person and use it…

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