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Cloud & Ubiquitous Computing
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Ubiquitous Computing
Where computing is available everywhere & anywhere, even in everyday objects.
Ubiquitous computing devices often contain RFID chips.
Radio Frequency Identification (RFID) chips transmit data wirelessly.
Uses of Uniqitous Computing
Warehouses - RFID used to track stock levels & robotics to retrieve stock.
Cat Flaps - Automatically locking & unlocking by detecting RFID on cat collar.
Applicances - Automatic monitoring of fridge contents, sends reminders for shopping.
Watering Systems - Detects soil moisture & rain fall & turns on water if required.
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Cloud & Ubiquitous Computing
Cloud Computing
http://www.knowitallninja.com
Computer services that run on an external server rather than the user's computer.
The cloud computing services are run by a host company for a subscription fee.
Main kinds of cloud computing are:
- Cloud-based software
- Cloud-based storage
Advantages
+ Your software is always available, on any
device as long as you have an internet
connection.
+ Much cheaper than the cost of local software
& storage.
Disadvantages
- If the host is down or your internet is, you
cannot access the services.
- Performance is often slower than local
software and storage.
- Software can out-of-date if the hosting
company doesn't update it.
- You have little control over security of your
files as it's handled by the host.