Click here to email your instructor. Software Software are the instructions that tell the computer how and what to do.
Software is divided into two broad categories each with several subcategories.
The two main categories are system software and application software . System Software System software includes the software that controls the workings of a computer. Windows is the most popular operating system currently used on personal computers. Another operating system that is becoming more popular is UNIX and its derivatives such as Linux. Utility programs are programs designed to perform a particular function such as defragmenting a disk, file compression, storage backup, or an antivirus program.