What are the storage devices in a computer?
A computer consists of a number of store devices which are:
(i) Hard Disk (ii) Floppy (iii)Tape (iv) Magneto Optical Disk (v) Compact Disk (CD) (vi) Cartridge These devices vary in their capacity of data storage, from megabytes (MB) to gigabits (G.B). Q. 7. What is an operating system? Ans. Operating System (OS) is a set of programs that contain instructions for coordinating all the activities among computer
hardware resources. For example, the operating system recognises input from an input device such as the keyboard, mouse, microphone, or P.C Camera coordinates the display of output on the monitor, instructs a printer how and when to print information, and manages data and instructions in memory and information stored on disk.
Popular types of operating system include DOS (Disk Operating System), UNIX and its variants, VMS (Virtual Memory System), Microsoft Windows, etc.
