ICT revision

ICT revision

1. Ubiquitous Computing

   • Ubiquitous means "Existing Everywhere", the computing meaning of this is the use of processors being embedded into everyday objects
     • Clothing: In running technology for heartbeats etc.
     • Vehicles: Built in GPS, sat nav to direct the driver.
     • Appliances: You can find processors in appliances like washing machines to monitor load size, amount of water etc.
     • Buildings: These are commonly found in objects like fire alarms so that it is able to detect fire.
     • People: Objects like pacemakers make use of this by regulating the heartbeat.
   • RFID Chips
     • These are commonly known as Radio Frequency Identification Chips and are the way processors are embedded into everyday objects. They are used to identify and track an objects, it is very similar to a bar code, however it does not need to be scanned for this to take effect

2. Connection Methods

   • Wireless
     • Advantages: Not fixed to a stationary computer, can be used wherever wireless internet is available
     • Disadvantages: Needs to have a wireless connection, Can be less secure than wireless, Tends to be slower than wireless