Theoretical concepts of Operating System Learning objectives To know the concept of Operating Systems and their types. To acquire the basic Knowledge of Operating Systems and its functions. . Introduction to Software A software is set of instructions that perform specific task.
It interacts basically with the hardware to generate the desired output. . . Types of Software Software is classified into two types: ) Application Software ) System Software Application Software: Application software is a set of programs to perform specific task.
For example MS-word is an application software to create text document and VLC player is familiar application software to play audio, video files and many more. System Software: System software is a type of computer program that is designed to run the computer’s hardware and application programs. Example Operating System and Language Processor . Introduction to Operating System (OS) An Operating System (OS) is a system software which serves as an interface between a user and a computer.
This controls input, output and other peripheral devices such as disk drives, printers and electronic gadgets. The functions of an Operating System include file management, memory management, process management and device management and many more. Operating System APPS Printer Keyboard Mouse Monitor Hard drive Figure: . Operating System Without an Operating System, a computer cannot effectively manage all the resources.
When a computer is switched on, the operating system is loaded in to the memory automatically. Some of the popular Operating Systems used in personal computers and laptops are Windows , UNIX and Linux . The mobile devices mostly use Android and ioS as mobile OS.