Student/Adham AL- Sodody Student No./ 120100059 supervision of me's / Rasha Atallah - PowerPoint PPT Presentation

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Student/Adham AL- Sodody Student No./ 120100059 supervision of me's / Rasha Atallah

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  1. Operating Systems Student/Adham AL-Sodody Student No./120100059 supervision of me's / Rasha Atallah

  2. Definition of Operating Systems Operating system is a set of core software that the manages your Computer  and control in all programs and applicationsthe user to take advantage of the hardware that make up the computer and accessories of his such as a printer, mouse, etc., enables the user to benefit from the application software of different computer like software print For the messages or making a business or other.

  3. Functions of the operating system: • Control in the data path •  Applied Software Download •  Control unit and the main memory •  Control units and input and output •  Fault discovery

  4. : Types of operating systems Divided into operating systems in terms of its ability to run more than one program to the same user at the same time into two parts: • Multi-Tasking • Single-Tasking

  5. Also divided into operating systems in terms of its ability to allow more than one user programs running at the same time into two parts: • Multi-user • Single-user

  6. single-user Single-tasking Systems, which is less power and allows for only one user to work upon, that employer can not hold more than one program at the same time. This system is used with the old computers.

  7. Multi-user Single-tasking Is commonly used on computers where the server allows multiple users to work together but are being run only one program for each user.

  8. Single-user Multi-tasking A common system currently in use on personal computers and workstations because it allows a single user the ability to execute more than one program at the same time.

  9. Multi-user Multi-tasking The most powerful systems is prevailing on the central computers and medium enterprises. Has be crawl this system start recently personal computers. In this system, each user in dealing with the computer and the computer is working for him alone, and that what is featuresby its high speed in operation and the execution of orders. In addition, any error committed by a user does not affect other users or disrupt the work of the computer.

  10. : Examples of common operating systems • operating system (DOS) • operating system (Windows) • operating system (Apple Macintosh) • operating system (UNIX)