The Four Functions of Computers

By: Chlsea Mortensen

Input is data you put into your computer like: Keyboards Mouse Data from another computer Webcam

INPUT

Input is data that is transferred into a computer, normally from a USB, memory stick and the things I listed before.

Input Continued

The States of an executing program

PROCESSING

The Process consists of:• Codes

• Private Data• The state of the processor(values in its registers)

It also might have a:• Processor Identifier

• Open Files• CPU Time Limits• Shared Memory• Child Processes• Signal Handlers

SOFTWARE

On Some Platforms, one process might consist of many threads. A multitasking operating system and run multiple processes

concurrently or parallel, which allows a process to spawn “child” Processes.

PROCESSING CONTINUED

STORAGE

Storage is where data is kept like:- Work- Programs- Pictures - Music- And any other types of data.

Storage Continued

Storage can be kept in multiple devices like:- Memory Sticks- Attachable storage devices

You can also store your stuff in devices like your IPOD and Phone, etc.

Output is data that is taken off of a computer to another device or computer. Also can be a piece of a computer like a computer monitor, disk drives.

OUTPUT

Output could be:- A printed sheet of paper from a

printer(or even a printer itself)- Information on a screen- A compact disk- Speakers- Old style Floppy Disks- Headphones

Output Continued