Input-Process-Output

Input-Process-Output

1. Process

   • It runs a program in a computer and contains the program code and its current activity.
     • CPU- Sends signals to control the other parts of the computer and carries out instructions of the program.

2. Input

   • It provides data and control signals to the computer
     • Mouse- Is a device used to perform actions of the curser on the monitor.
     • Keyboard- A device used to display certain numbers, symbols and letters on the screen.
     • Microphone- A device used to covert sound waves into electrical signals which can be put into the computer.
     • Scanner- A device that is used to copy documents or pictures on to the computer.

3. Output

   • It's any device that receives information from the computer, usually for display, projection or physical reproduction.
     • Moniter- A display screen used to provide visual output from a computer
     • Speaker- They receive audio input from the computer's sound card and produce audio output in the form of sound waves.
     • Printer- Any device that prints text or illustrations on paper.

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