HB's Computer Hardware and Software Guide

Below links to More in depth infomation

What do CPUs do?
Hardware Compnents (input, output and storage devices)
System software (Operating system and Utilities)
Storage first and secondary

Basics

CPUs

CPUs (Central processing unit) are normaly referd to as the "brains" of the computer.

Hardware Components

Computer hardware is the physical parts of a computer.

System Software

System software is a type of computer program that is designed to run a computer's hardware and application programs.

Storage First and Secondary

Primary memory is the internal working memory of a computer, and it includes RAM and the cache. Secondary storage is also called external memory, and it includes the computer’s hard drive.