Revision.

Revision.

1. Cloud computing.

   • Disadvantages.
     • There is a chance your data could be seen by a third party.
   • Advantages.
     • You have a chance to create more local storage.

2. Input and Output devices.

   • Input devices.
     • mouse.
       • Keyboard.
   • Output devices.
     • Printer.
       • Headphones.

3. Hardware.

   • hardware is the physical parts of the computer system.
   • eg. of hardware.
     • RAM.
       • CPU.
         • Optical.
           • Solid State.
             • Magnetic.

4. Computational system.

   • Alphanumeric.
     • A mixture between letters and numbers.
   • Sub/Folder.
     • a folder inside another folder.