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    • • Preface
    • • Introduction
    • • Table of Contents
  • 1. Theory
    • 1. Concept of Informatics
    • 2. Amount of Information
    • 3. Theory of Signal
  • 2. Basic of DCS
    • 1. Number Systems
    • 2. Code & Coding
    • 3. Computer Arithmetic
    • 4. Computer Logic
  • 3. DCS
    • 1. Definition of DCS
    • 2. Historic Development
    • 3. Hardware
    • 4. Software
    • 5. PC System
    • 6. Computer Networks
  • 4. Windows
    • 1. MS-DOS 6.22
    • 2 Win 3.11
    • 3. Win 95, 98
    • 4. Win XP
    • 5. Windows 7
    • 6. Windows 10
    • 7. Windows 11
  • 5. Unix
    • 1. Linux - Debian operating system
    • 2. Linux - Ubuntu operating system
  • 6. Software Development
    • 1. Phases of Software Development
    • 2. Programming
  • 7. IT in Practice
    • 1. A/D/A converters
    • 2. Microcontroller
    • 3. Process
    • 4. Internet
    • 5. Intranet
    • 6. SOHO
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    •  ◄ 
    • 7. Earning on the Internet
    • 8. pH meter
    • 9. C4ISR
    • 10. Formula 1
    • 11. BEV
    • 12. Artificial Intelligence
  •  ▼ 
    • • Specific IT Concepts
    • 9. Inclosure
    • 10. Bibliography
    • 11. WEB Links
    • 12. Index of Site
    • • $ 
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  •  ▲ 
  • • What did you put into coffee?
  • • Analysis of OS
  • • Removing components & adjusting
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