General functions of the operating system Windows 7, Windows XP, Windows Vista, Windows 2000, Window 95, Windows 98, Mac OS, UNIX and The Operating system software is a set of instructions that govern the working (operation) of a computer system by serving as a bridge between the computer hardware and the application software with which the computer user works. These programs can be updated time and again to improve the performance of the devices. The drivers are usually written by the device manufacturers. The hardware devices require device drivers so that the operating system can recognise the device to be able to communicate effectively with them.Slide10 Slide9Ī device driver is a program that controls a particular type of device that is attached to a computer by converting the more general input/output instructions of the operating system to messages that the device type can understand. Some of the devices containing firmware are remote controls, calculators, cell phones, digital cameras, and computer ROM chips. The System software are programmes that start up a computer and manage the general functioning of the system devices.įirmware are the small programs recorded by the computer manufacturers at the factory on electronic chips mounted on the computer’s motherboard or any other device to control the devices. Ii)custom made (user developed/in-house) software. The preparation of such instructions is called programming/coding, and is done by programmers.Slide3Ĭomputer software is broadly categorized according to:

Presentation on theme: 'Computer software (computer programs)'- Presentation transcriptĬomputer software (software) are the set of digital instructions that control the actions of a computer.

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