Ubiquitous computing

Ubiquitous computing

1. Ubiquitous means ‘existing everywhere’. Processors can be embedded into any device, including clothing, appliances, vehicles, buildings and people, to connect them to the internet so that the data generated by the processors will be readily available.

2. Radio frequency identification (RFID)

   • Currently, objects within a ubiquitous computing environment usually contain radio frequency identification (RFID) chips. RFID is a technology that uses radio waves to transfer data to a tag on a person or an object so that the person/object can be identified and tracked. These tags contain information that is stored electronically and which can be transmitted. It is similar to the bar code systems used in supermarkets, but unlike a bar code, RFID does not need to be scanned.
     • An example of a use of RFID is the cat flaps that only open for the animal that has the correct chip in its collar.

3. Applications of ubiquitous computing

   • Currently, there are computing systems in place which monitor the shelf and warehouse stock. This technology is used by many industries (supermarkets, book and DVD suppliers, car part manufacturers, etc). When the stock reaches a certain minimum level, an order is automatically placed with the appropriate supplier electronically.

4. Some futuristic examples of ubiquitous computing include:

   • a car that can inform the owner when it needs servicing, book itself into the garage and place orders for any parts needed
   • a refrigerator that can monitor its contents, compile an order as food is used and add the items to the user’s online shopping account.

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