operating system

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    operating system:


                                   An operating system is a set of programs that manages all computer components and operations. It is the most important software that runs on a computer. A computer cannot do anything's without an operating system. It must be installed on every computer. It acts interface between the computer user and hardware. The user interacts with the computer through operating system.


   Example:


                     some example of operating system are as follows:

  • Microsoft windows
  • Linux
  • Unix 
  • Mac OS

Utility Programs:
                                A utility programs is a type of system software that is used for effective management of computer system. The user can use utility program to perform maintenance tasks to related to different devices and programs. The utility programs keep the computer system running smoothly. Most operating system include different built in utility programs.

Examples:

                     Some examples of utility programs are as follows:
File Viewer:
                      It is used to display and manage files and folders.
Backup and Utility:
                                   It is used to take backup of data:
File Compressor:
                              It is used to reduce the size of the file:
Diagnostic utility:
                                 It is used to detect hardware and software programs.
Antivirus Software:
                                     It is used to detect and remove viruses.

Device Drive:

                                A device drive is a type of system  software that controls the operation of a device. An operating system uses a device driver and communicate with a device. Many drivers are automatically installed with Windows. All device attached to the computer need the device driver such as printer, modem and sound card etc. A device cannot work properly if its device driver is not installed properly. A device drivers are provided by the device manufacturers. 





         Objectives of Operating system


                           coming soon...


                        

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