Most packaged software is applications software—software that is put
to use to solve a particular problem or dedicated to a particular task.
There are two general categories of software. Systems software and applications.
Systems Software :
Systems software have four kinds of systems programs are operating systems, utilities, device drivers and language translators.
• Operating systems coordinate resources, provide an interface between users and
the computer, are run programs.
• Utilities performs specific tasks related to managing computer resources.
• Device drivers allow particular input a output devices to communicate with the rest
of computer system.
• Language translators convert programming instructions written by programmers
into a language that computer can understand and process.
Categories
There are hundreds of operating systems but only three basic categories :
Embedded, Network, Stand-alone.
Windows : is the most widely used operating system. lt is designed to run with lntel and lntel compatible microprocessors.