Operating syetem.  A collection of programs which control the resources of a computer system  Written in low-level languages (machine- dependent) 

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Presentation transcript:

Operating syetem

 A collection of programs which control the resources of a computer system  Written in low-level languages (machine- dependent)  An interface between the users and the hardware  When the computer is on, OS will first load into the main memory

 Best use of the computer resources  Provide a background for user’s programs to execute  Display and deal with errors when it happens  Control theselection and operation of the peripherals  Act as a communication link between users  System protection

 Network operating system (UNIX/Lliux/MS Windows2000 server)  Dekstop operating system (MS Windows 9X/Me/Mac OS/DOS  Mobile operating system (Palm OS and Pocket PC)

At school, we have (1).....computer in every classroom. We use (2)....computer to do (3)....projects and to study (4)...music and languages. The teachers use PCs to print articles, songs, or activities for use in class. This year, they are preparing (5)...exchange with college in Norfolk. We all use it to get (6)...information from (7)...internet. At home, I use my computer to send and receive (8)... and to play (9)....computer games. I have (10)...ink-jet printer.

 Screen server  Virus detector  Crashed disk rescuer and data recovery  Multimedia player

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