SYSTEM The operating system
<ul><li>It is a set of programs for software management (programs) and hardware (cpu, memory) of the machine; </li></ul><u...
Organization levels   Hardware Core or kernel Central memory   Device Manager  File system shell command Application Program
<ul><li>Levels </li></ul><ul><li>Hardware: All the physical parties of a computer </li></ul><ul><li>Core or kernel: Proces...
Types of operating systems <ul><li>Single users: </li></ul><ul><li>One user only, one process at a time in central memory ...
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System Programming

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by Mattia T.

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System Programming

  1. 1. SYSTEM The operating system
  2. 2. <ul><li>It is a set of programs for software management (programs) and hardware (cpu, memory) of the machine; </li></ul><ul><li>It Simplifies the use of the machine through friendly graphics; </li></ul>Functions of O.S.
  3. 3. Organization levels Hardware Core or kernel Central memory Device Manager File system shell command Application Program
  4. 4. <ul><li>Levels </li></ul><ul><li>Hardware: All the physical parties of a computer </li></ul><ul><li>Core or kernel: Process management and processor </li></ul><ul><li>Central memory: Prepares for memory processes </li></ul><ul><li>Device manager:Optimize the use of peripheral devices </li></ul><ul><li>File system: Management of secondary memory (disks) </li></ul><ul><li>Shell command: User interface of the operating system </li></ul><ul><li>Application program: Set of programs for the management and system configuration </li></ul>
  5. 5. Types of operating systems <ul><li>Single users: </li></ul><ul><li>One user only, one process at a time in central memory ; </li></ul><ul><li>Multi users: </li></ul><ul><li>Most users can use the same computer with more terminals (monitor and keyboard); </li></ul><ul><li>Real time : </li></ul><ul><li>Systems that meet specific deadlines; </li></ul>

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