Computers and Input, Output

Computers and Input, Output

1. Definitions

   • Computer
     • An electronic device for storing and processing data
     • Computers use binary form and does not have a brain
     • Computers do exactly what somebody else wants them to do
   • Peripheral
     • Devices associated with the computer but arent inside a computer
     • Keyboard
     • Projector
     • Mouse
   • Input
     • Information that is put in to the computer to be processed.
       • Computer mouse
       • Keyboard
   • Output
     • What the computer provides you as a result
   • Storage device
     • Hardware that is used to store information
     • Hardware
       • Physically tangible components of a computer
       • Monitor
       • Keyboard
   • Information
     • Data that has been processed
   • Software
     • Program that runs on a computer
       • word documents
       • Powerpoint

2. Input and output devices for disabled users

   • Disabled Devices Home
     • This is a smart home system that can assist disabled users to accomplish small tasks around the house such as turning the light on.
   • Puff Suck Switch
     • The person with the disability is required to puff and suck down the tube to activate a switch, which is connected to a computer.Specific software on the computer takes this input and then acts on it in multiple ways.
   • Foot mouse
     • A type of computer mouse that allows users to use it with their feet. It helps people with neck and back problems.
   • Braille keyboard/ typer
     • This is a specialist input device that enables the user to type text in braille. Braille is like a language for the blind, where you can use sensory shapesdto represent words.
   • Predictive text
     • Predictive text allows you to type faster and also reduce the amount of keystrokes that you make, thus helping disabled people .
   • Head Mouse
     • A system that allows people to control the cursor with head movements and blinks.

Bilder und Dateien der Mindmap