Organizacion de Archivos.ppt

Embed Size (px)

Citation preview

  • 8/12/2019 Organizacion de Archivos.ppt

    1/16

  • 8/12/2019 Organizacion de Archivos.ppt

    2/16

    2 A. Frank

    Data, Information & Knowledge

    Three Similar Terms?

    Data - Information - Knowledge -

    Whats the difference? Definitions?

  • 8/12/2019 Organizacion de Archivos.ppt

    3/16

    3 A. Frank

    Data

    Data -

    raw materialbasic facts

    supplied substance

    Inputto the process!

  • 8/12/2019 Organizacion de Archivos.ppt

    4/16

    4 A. Frank

    Information

    Information

    given answersproduced results

    derived outcomes

    Outputof the process!

  • 8/12/2019 Organizacion de Archivos.ppt

    5/16

    5 A. Frank

    Knowledge

    KnowledgeAlgorithmics

    Logic operativesInduction/Deduction/Reduction/etc

    Rule/Case/Example-based

    Explanation generation

    Driverof the process(ing)!

  • 8/12/2019 Organizacion de Archivos.ppt

    6/16

    6 A. Frank

    Data, Information & Knowledge

    Data - ((content Information -

    (Application/Systems)

    Knowledge - (Artificial Intelligence)? So what is afile

  • 8/12/2019 Organizacion de Archivos.ppt

    7/167 A. Frank

    Files and Data

    File - Collection of data that have logical connection.

    Concentrate at File Level!

    Interest is only in a Single File!

    Emphasis is on File Organization!

    "-" " !?"

  • 8/12/2019 Organizacion de Archivos.ppt

    8/16

  • 8/12/2019 Organizacion de Archivos.ppt

    9/169 A. Frank

    File Organization Syllabus (1)

    Motivation for File Organization

    IntroductionData, Information and Knowledge

    Data Units Hierarchy

    The Stream ModelInternal/External Memory

  • 8/12/2019 Organizacion de Archivos.ppt

    10/1610 A. Frank

    File Organization Syllabus (2)

    Hardware and Its ParametersInternal Memory Technologies

    External Storage Technologies

    Device Interfaces and Management

    Disk Parameters

    Blocking and Buffering

    Data Transfer Rates

  • 8/12/2019 Organizacion de Archivos.ppt

    11/1611 A. Frank

    File Organization Syllabus (3)

    Fundamental File Organizations

    File Performance Measures

    Basic, Higher-Level and Hybrid File

    Organizations

  • 8/12/2019 Organizacion de Archivos.ppt

    12/1612 A. Frank

    File Organization Syllabus (4)

    Basic File Organizations

    (1) Pile File(2) Sequential Files

    (3) Indexed-Sequential Files

    (4) Direct (Access) Files

    Summary of Basic Files

  • 8/12/2019 Organizacion de Archivos.ppt

    13/1613 A. Frank

    File Organization Syllabus (5)

    Higher-Level File Organizations

    (5) Multi-rings (Linear Files)(6) B-Trees (Non-Linear Multi-index Files)

    Summary of Higher-Level Files

    Summary of Six Fundamental FileOrganizations

  • 8/12/2019 Organizacion de Archivos.ppt

    14/16

  • 8/12/2019 Organizacion de Archivos.ppt

    15/16

    15 A. Frank

    File Organization Bibliography (2)

    6. A. Silberschatz, P. B. Galvin, and G. Gagne, OperatingSystems Concepts, 6th Edition, Wiley, 2002,http://www.bell-labs.com/topic/books/os-book/

    7. A. Silberschatz, P. B. Galvin, and G. Gagne, AppliedOperating Systems Concepts, 1st Edition, Wiley, 2000,

    http://www.bell-labs.com/topic/books/aos-book/8. W. Stallings, Operating Systems: Internals and Design

    Principles, 4th Edition, Prentice-Hall, 2000,http://WilliamStallings.com/OS4e.html

    9. S. Toledo, Operating Systems (in Hebrew),

    Akademon, 2001.10. R. Hieferman, Data and File Organization -- Principles

    and Applications (in Hebrew), Hod-Ami, 1995.

    11. File Organization (in Hebrew), Volumes 1--3, OpenUniversity Matach, 1992.

    http://www.bell-labs.com/topic/books/os-book/http://www.bell-labs.com/topic/books/aos-book/http://williamstallings.com/OS4e.htmlhttp://williamstallings.com/OS4e.htmlhttp://williamstallings.com/OS4e.htmlhttp://williamstallings.com/OS4e.htmlhttp://www.bell-labs.com/topic/books/aos-book/http://www.bell-labs.com/topic/books/aos-book/http://www.bell-labs.com/topic/books/aos-book/http://www.bell-labs.com/topic/books/aos-book/http://www.bell-labs.com/topic/books/aos-book/http://www.bell-labs.com/topic/books/os-book/http://www.bell-labs.com/topic/books/os-book/http://www.bell-labs.com/topic/books/os-book/http://www.bell-labs.com/topic/books/os-book/http://www.bell-labs.com/topic/books/os-book/
  • 8/12/2019 Organizacion de Archivos.ppt

    16/16

    16A. Frank

    How to name FO books?

    Data

    Information

    File

    Structures

    Organization

    Design

    ManagementSystems

    Bases

    Algorithms

    AnalysisProcessing

    Applications

    { } X