1. Input, Output, Processing and Storage
The 4 Functions
Input, Output, Processing and Storage

2. Input
Definition: An input is a device used to put information into a computer.
The Following are Input Devices:
Mouse
Keyboard
Microphone
Webcam
Joy Stick

3. Input Devices
Microphone
Keyboard
Joy Stick
Mouse
Webcam

4. Output
Definition: An output is a device used to take information out of a computer.
The Following are Output Devices:
Monitor
Printer
Disk Drives
Compact Disk
Speaker

5. Output Devices
Speaker System
Monitor
Disk Drive
Compact Disk
Printer

6. Processing
Definition: The processing hardware in a computer is accountable for storing and retrieving information. This information is processed using the Central Processing Unit (CPU). This part of the computer takes information that is inputted by the user and processes the information by calculating, comparing and copying it and is then saved to the computer's memory (RAM) Random Access Memory.

7. Processing Devices Central Processing Unit (CPU)
Read Only Memory (ROM)
Random Access Memory (RAM)

8. Storage
Definition: In a computer, storage is the place where data is held in an electromagnetic or optical form for access by a computer processor. There are also other ways to store computer information outside of a computer
The Following are Storage Devices:
USB Stick
Compact Disks
Floppy disk

9. Storage Devices
Universal Serial Bus (USB)
Compact Disk
Floppy Disks