Cloud Computing

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Cloud Computing

 If something is added on one device that item is automatically available on the other devices, only exists on the internet.


  • iCloud by Apple
  • Micorsoft Cloud Computing

Advantages of Cloud Computing

  • Everything is saved in the same place
  • Backed up by the provider automatically
  • is very reliable

Disadvantages of Cloud Computing

  • Don't have control of your server, must rely on the provider
  • Have to pay monthly or annually
  • You need an internet connection
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Magic Mirror

  • Shows for example what a person would look like in a certain piece of clothing.
  • Similar to Xbox Kinect
  • Body parts can be used to interact like the iPad
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Digital Divide

The divide between the young generations who have access to computers and knowledge about them and the elderly who do not. 

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Different stages of Web Development

Web 1.0- Boring, Static Pages

Web 2.0- Anything interactive, e.g. entering details, kiosks

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Device for the disabled

Brail Keyboard- for the visually impared, used so the visually impared have the ability to use a keybard.

Foot Mouse- mouse operated by the foot, used by the physically impared

Puff- Suck Switch- Mouth operated switch for use by the physically impared 

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Input Devices

  • Mouse
  • Keyboard
  • Joystick
  • MIDI
  • Web Cam
  • Microphone
  • Chip and Pin Reader
  • Touch- Screen Monitor
  • Remote Control
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Output Devices

  • Monitor
  • Printer ( Laser, Inkjet, Dot Matrix)
  • Speakers
  • Digital Projecter
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Storage Devices

  • CD
  • DVD
  • Blu- Ray
  • Floppy Disk
  • Flash Memory
  • Magnetic Hard Disk
  • SD Card

DVD- Digital Versatile Device, up to 4.7 GB can be stored

BD- Blu- Ray disk, up to 25 GB approx. can be stored on a standard disk.

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Types of Software

  • Applications
  • Operating Systems- Linox, Windows, Mac, ios, android, Unix, DOS
  • Utilities 
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Network Interface Card- Allows your devide to connect with a network

MODEM- Tries to connect to a network

Router- Digital device that sends connection to computers and creates your own network.

HUB- Main point where other device connect to it e.g. all of the computers in a network connect to.

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Different types of Networks

Ring Network- Very fast and data flows in one direction but if central cable breaks network stops.

Star Network- used to connect multiple servers together and still works if one breaks but is very expensive. used in schools.

Bus network- also known as a line network, is cheap and easy to buy but if one part breaks the whole things does. in households.

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