Input process output devices

Input process output devices

1. Input

   • Graphics Tablet- A pressure sensitive pad which the user draws on to guide a pointer across the screen
   • scanner - a device that scans documents and converts them to digital babies
   • Microphone- an instrument for converting sound waves into electrical energy
   • Keyboard-a panel of keys that operates a computer
   • Mouse-A small hand held device used to move a cursor on a computer screen

2. Process

   • The CPU central processing unit is the part of a computer system that is commonly referred to as the brains of a computer the CPU is also known the processor or microprocessorr

3. output

   • A plotter can be used to produce high quality accurate A3 size or bigger drawings. They are usually used for computer aided Design and computer aided manufacture applications such as printing out plans for houses or car parts
   • Many other types of output device exist including speakers projectors buzzers motors switched outputs lights mechanical devices e.g. a robot arm