system software revision

system software revision

1. operating system controls peripheral device and gives programs access to them

   • operating system can allow several user to use the ame pc by username and password
   • gui interface is most common type of interface that pc operating system offer

2. interface enables a user to interact with the computer

3. gui is a graphical user interface

4. the operating system provides user with an interface so they can interact with the computer

5. the os system ensures each program that loads has it own space on the ram this stops other program reading and writing to the memory area for another application

6. when you print a document the program doesn't know how to talk to the printer it doesn't even know one is installed

7. when you save a file on aprogram the operating system saves the file ontoo the hard disk

   • gui uses window, menu, and pointers to control, the computer

8. gui, menu driven interface and command line interface are all type of interface

9. operating system manage user and ensure a user data is only seen by them and not by others

10. even though a cpu core can only deal with one process,the operating system allow s process to take place in turn or get shortest job done first

11. multi tasking is when several programs run at once

12. peripherals are devices that rae attached to computers such as printers or speakers