ICT GCSE: home communication systems

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Note:
most computers are connected to a network. usually this means the internet. Computer manufacters include all the software and hardware needed when you buy the ocmputer.
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How is data transferred from one place to another?
Satellite communication-satellite in space are used to beam signals from one another. Useful where terrain makes it difficult to lay cables.
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WIFI
with wireless communication data travels through the air rather than through cables. People who travel with work can get wireless access in public places either with laptop, ipad, phone.
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KEYWORDS-hotspot
HOTSPOT: region where internet can be accessed wirelessly
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KEYWORDS- wifi
WIFI: trademark for products that meet certain standard for transmitting data wireless
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KEYWORDS- ISP
INTERNET SERVICE DATA (ISP)- a company that provide a use of internet connection.
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advantage of wireless communication
Not restricted to where you can work. Work while on the move (dongle). Fewer or no wires to trip over. Easier to keep your work area clean because not so many wires in way.
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disadvantage of wireless communication
dangers of hackers reading messages. Some experts say there could be dangers to health.
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Other cards in this set

Card 2

Front

Satellite communication-satellite in space are used to beam signals from one another. Useful where terrain makes it difficult to lay cables.

Back

How is data transferred from one place to another?

Card 3

Front

with wireless communication data travels through the air rather than through cables. People who travel with work can get wireless access in public places either with laptop, ipad, phone.

Back

Preview of the back of card 3

Card 4

Front

HOTSPOT: region where internet can be accessed wirelessly

Back

Preview of the back of card 4

Card 5

Front

WIFI: trademark for products that meet certain standard for transmitting data wireless

Back

Preview of the back of card 5
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