Software

Systems software, is the software you cannot actually touch. The system software is the computer software designed to operate the computer hardware, this provides a platform for running application software. The Operating System (OS) is the most important type of system software. Without an Operating System, you cannot run an application or program on your computer, unless the application or program is self booting. Android is an Operating System, from Google, it is only for mobile devices, Smart Phones and Tablet Computers. Mac OS X is also a type of Operating System and is crated by Apple inc.

Applications software or "app" computer software which is designed to help the user preform specific tasks, such as browsing the web, opening a text document or listing to music. The Application software is loaded from the computer's RAM, so the software can run. There are many different types of application software, like game software (playing games), communication software (emails and chat programs) and office software (word processor and presentation) .

Software utilities, designed to analyse, configure, optimise and maintain the computer. A single piece of utility software is usually called a utility or tool. Utility software can also be contrasted with different application software. Firewalls can protect your computer from unauthorised access to your computer. An example of a Firewall is "ZoneAlarm", this software utility will ask for access to your computer when opening a program, or Internet access or allowing access to a trusted zone on your computer. An anti-virus can protect you from many different types of viruses trying to damage your computer. An example of an anti-virus is "AVG" this software utility can scan your computer for viruses and either remove or quarantine dangerous viruses.