1. Operating Systems! By Dhiren Mardania.

2. Definition of operating system? OS(operating System) is the most important program that runs on any type of system.

3. Where will you find OS? Personal computers. SAT NAV. Network server. Games Consoles. Cars.

5. Memory Management.

6. Device Management.

7. Storage Management.

9. What is Virtual Memory? Virtual memory uses hardriveas a part of the system memory. virtual memory is a memory management technique made for multitasking. This technique makes a computer architecture's some forms of computer data storage such as RAM (random access memory)

10. What is a file allocation table? A table that operating system uses the locate files on a disk. Due to fragmentation, a file may be dived into many sections that are scattered around the disk.

11. How does Buffer work? Buffer lets information/data to come through. The OS will instruct on buffer to continue taking input from the devices stop sending data to CPU.

12. What is a device driver? Drivers are translation programs which count the messages from OS into messages that the hardware device can understand.

13. File Management. A file manager or file browser is a computer program that makes a user interface to work with file system. The most known operations performed on files or groups of files are create, open, edit, view, print, play, rename, move, copy, delete, search/find , properties and file permissions. Some file managers contain features created by web browsers, including forward and back navigational buttons. Some file managers provide network connectivity.

14. Processor Management. Process management is an important part of any operating system (OS). The OS must allocate resources to processes, enable processes. Also to share and exchange information, protect the resources of each process from other processes and enable. To meet these requirements, the OS must maintain a data structure for each process.

15. User interface. The user interface, in the design field of human machine interaction, is the space where interaction between humans and machines happens. The interaction between a human and a machine at the user interface is effective operation and control of the machine, and information from the machine which makes the operator in making decisions. user interfaces include the interactive aspects of computer operating systems, hand tools, heavy machinery operator controls, and process controls

16. Memory Management. Memory managementis memory. In its simpler forms, this takes part of providing ways to locate parts of memory to programs, and freeing it for reuse when no longer needed. The management of main memory is important to the computer system. Virtual memory systems separate the memory addresses used by a process from actual physical addresses, allowing it to self part of processes and making the effectively available amount of RAM using paging or swapping to secondary storage. The quality of the virtual memory manager can have a big change on overall system performance.

17. Device Management. Mobile device management lets you to control and manage all of your mobile devices from a remote location. This means the effective management, support and security of evolving mobile field forces across diverse network. To meet these needs, Spirit offers a range of device management solutions.