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Conclusion 1.2 (Foreword)

Welcome to the second part of the conclusion.

The book "IT-Handbuch für Fachinformatiker - Der Ausbildungsbegleiter" from Sascha Kersken ? published by the "Rheinwerk computing". I reading the 10th version which was published 2020.

In this chapter tells us the author what the book is about, the milestones & point of view from germany right now.

The book is most about what you have to know as a software developer, system engineer, analyst, Network engineer. It could be also relevant for people who decides to take a career in the marketing of IT. He also tells us that the 10th version of the book includes a bigger part of machine learning, stochastic, analytics & much more.

The author wants to keep it real as possible & not so much theoretically.

Chapter overview:

(Disclaimer: Not every part of the book is important for every job which part is important for which job will be explained in chapter 1)



  1. "Introduction"

Includes the story & main functions of a computing device. It also contains the fundamentals of them.

2. "Baiscs of math"

​Contains a solid introduction into some aspectsof math which are very relevant to understand the information technology.

3. "Basics of electronics"

From the predictability, to every electronic part of a computer includes this chapter everything that could be relevant to understand the functions of them.

4. "Hardware"

​Is about the central unit, the Bio's & elements of a computer like micro processor, peripherie devices, In/output devices. Thinks like thumb drive, DVD's and so on.

5. "Basics of networking"

Here we talk about different kind of networks like "local area network" & "wide area network". The ISO-modell & protocolls like TCP/IP which are the most protocolls to communicate between two networks.

6. "Operation system"

This chapter includes the concepts, processes, the file management & much more. Also the windows power shell & bash shell will be talked about.

​7. "Basics of programming"

​We will talk about the programming languages Python & Java but the basics of most other languages.

8. "algorithms & data structures"

Complains the way to prepare & plan an algorithms before you get to the coding part. The "classics" of them will be also talked of like sort algorihms & searches in compiler structures.

9. "More programming concepts"

Defines & explain more aspects of programming that are practice oriented at praxis & not theory. Linear algebra is a topic too.

10. "Data analyse, machine learning, AI"

Includes everything from definitions , concepts, the used tools and to work with them.

11. "Sofware engineering"

Software engineering is much more than programming. It includes project management, application modelling with UML & scrum will be talked of. Tools like bugtracker, repositories & continous-integration-software will be important.

12. "Process analyse for business process"

​Is about the diagram language BPMN, the parts of an analyse & the analyse himself.

13. "Databases"

This chapter is about the functions and basics of databases , MySQL, NoSQL, CouchDB.

14. "server for webapplication"

​Protocolls like HTTP and HTTPS are important and will be explained in this chapter. Apache2 & PHP won't be forget.

15. "more internet server provider"

​complains all about server for TCP/IP based networks like BIND, Open LDAP, Metaserver

16. "XML"

Is a language for the definition of hierarchical document formats. The DTD's & XML themplates is something that will be talked of too.

17. "more data & data formats"

Is about format pictures, text and it is also about text based & binary data formats

18. "Create websites with HTML &CSS"

From create layouts with HTML5 & the creation of hyperlinks. Consistant layout with CSS3 are teached in this chapter too.

19. "Webserver applications"

​Includes more than HTML5. In chapter 19 we talk about create dynamic content with PHP8 & implement it into the rest of the website.

20. "Javascript and Ajax"

​We will talk about DOM, create a website that is "alive", the ajax archive & develop a client with Rest API.

21. "Computer & network security"

​Is all about to prevent and protect your system from malware or trojans. cryptography, firewalls and data security are also important will play a big role.


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