input-process-output model

input-process-output model

1. Output

   • Monitor (VDU)
     • A screen that gets a digital message from the computer and displays it
   • Printer
     • A device that allows the user to to print a paper version of their data
   • Speakers
     • A device that outputs the requested audio

2. Input

   • mouse
     • Is a device you use so when you use it your cursor on the monitor moves
   • Keyboard
     • Is a device where you press buttons to put information on the computer
   • Microphone
     • A microphone is a device that captures audio and converts it so that a computer can read it
   • Scanner
     • Is a machine that scans a piece of paper then puts the information onto the computer

3. Process

   • CPU
     • Is responsible for executing a sequence of stored instructions
     • Central Processing unit

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