what are the function of operating system
Lesson Summary. 1  The OS is the first software to get installed on a computer system. 2  It performs five critical tasks. 3  The OS is also used to start up your computer, and once the computer is up and running, the OS manages system resources. 4  The OS manages connections so you can surf the Web and use e-mail.
The Operating System will identify at which Time the CPU will perform which Operation and in which Time the Memory is used by which Programs. And which Input Device will respond to which Request of the user means When the Input and Output Devices are used by the which Programs.
Hardware Services. The OS manages all the hardware and peripheral devices of your computer. For example, when you put in a DVD to play a movie, the OS will start reading the data from the optical drive and launch a movie player.