COMPUTER FUNDAMENTALS

Detailed explanation-1: -So in computers, Operating System is installed and stored on the hard disk. As hard disk is a non volatile memory, OS does not lose on the turn off.

Detailed explanation-2: -Typically, secondary storage allows for the storage of data ranging from a few megabytes to petabytes. These devices store virtually all programs and applications stored on a computer, including the operating system, device drivers, applications and general user data.

Detailed explanation-3: -The hard drive (sometimes called the hard disk) is the main storage device in your computer. Like RAM, it can be added to and changed, and like ROM it is non-volatile, but it is slow. If you have files and folders on your computer, are stored on the hard drive. The operating system is also stored on the hard drive.

Detailed explanation-4: -Secondary storage can be hosted on-premises, on an external device or in the cloud. With a variety of media types available, secondary storage enables organizations to store data ranging from a few megabytes to petabytes.

Detailed explanation-5: -As soon as the machine starts up, primary memory stores all running programs, including the operating system (OS), user interface, and any user-installed and running software application.