The 4 FunctionsInput, Output, Processing and Storage

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

Input

Input Devices

Keyboard

WebcamMouse

Microphone

Joy Stick

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

Output

Output Devices

Speaker SystemMonitor

Disk Drive

PrinterCompact Disk

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.

Processing

Processing Devices

Central Processing Unit (CPU)

Random Access Memory (RAM)

Read Only Memory (ROM)

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 computerThe Following are Storage Devices: USB Stick Compact Disks Floppy disk

Storage

Storage Devices

Universal Serial Bus (USB)

Floppy Disks

Compact Disk