Operating Systems - PowerPoint PPT Presentation

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Operating Systems

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Hardware activates the BIOS. BIOS (basic input/output system) starts the operating system ... Preferred by many designers and multimedia producers ... – PowerPoint PPT presentation

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Title: Operating Systems


1
Operating Systems
  • Chapter 5

2
The Operating System
  • When working with multimedia, the operating
    system is perhaps the most important, the most
    complex, and the least visible software that your
    computer uses.

3
The Four Layers of a Computer
  • Your computer is a system of four interdependent
    layers
  • Hardware
  • BIOS
  • Operating System
  • Application Software

4
What do the four layers do?
  • Hardware activates the BIOS
  • BIOS (basic input/output system) starts the
    operating system
  • Operating System loads drivers, networking
    services, and application software into the
    computers RAM
  • Application Software allows you to create your
    multimedia project

5
What are programming languages?
  • Programming languages provide instructions to
    operating systems.

6
Types of Programming Languages
  • Machine language the only language a computers
    CPU can read
  • Assembly language a programming language that
    the CPU can quickly encode to machine language
  • Low-level programming language Programming
    languages that computers can interpret quickly
    but are not like human language

7
More Programming Languages
  • High-level programming languages
  • Are programming languages that resemble human
    language
  • Need compilers to convert high-level languages to
    machine language
  • Examples C, Java, Visual Basic

8
Graphical User Interface (GUI)
  • Microsoft Windows
  • Created in 1985
  • The most used PC operating system
  • Runs a huge number of applications
  • Apple Mac OS
  • Derived from the first PCs to use GUI
  • Preferred by many designers and multimedia
    producers
  • Applications are often not compatible with Windows

9
PDA Operating Systems
  • The two most popular PDA operating systems
    are
  • Palm OS
  • Windows CE

10
Network Operating Systems
  • Network operating systems are designed to
    allow many users to share files and resources.

11
Types of Network OS
  • Network operating systems include
  • UNIX designed to work with many kinds of
    computers
  • Linux a version of UNIX distributed for free
  • Mac OS X for networks by Apple
  • Windows NT Microsofts network OS
  • Apache Web server software distributed for free
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