Sofware

Software is a program which consists of a set of instructions that tells the computer how to perform a specific operation

Type of software

SYSTEM SOFTWARE	ASPECT	APPLICATION SOFTWARE
o A system software is a program that controls or maintain the operations of a computer and its devices	Definition	all programs that perform specific tasks for users.
o Microsoft Windows, MS-DOS and MAC OS.	Examples	Microsoft Word, Microsoft Excel, Outlook Express and Internet Explorer.
o Enables the computer to function properly.	Usage	o Enables users to work efficiently with documentation such as letters, accounting reports and presentations.
o Compulsory- each computer must have a system software to function	Need	o Optional- depends on usage and needs. Without an application software, the computer is still able to function.
o Each computer only needs one system software.	Number of Software	o Each computer can have more than one application software.
o Independent- system software can function without an application software.	Dependency	o Dependent- application software cannot work without system software.
o Provides the environment in which the applications run.	Function	o Provides the environment to enable users to accomplish specific tasks.