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CS 240 — System Software and Computer Communication
(dt. Systemsoftware und Rechnerkommunikation)

Level, degree of commitment Basic module, depends on importing study program
Forms of teaching and learning,
Lecture (4 SWS), recitation class (2 SWS),
270 hours (90 h attendance, 180 h private study)
Credit points,
formal requirements
9 CP
Course requirement(s): Successful completion of at least 50 percent of the points from the weekly exercises as well as at least 2 presentations of the tasks.
Examination type: Written examination
The grading is done with 0 to 15 points according to the examination regulations for the degree program B.Sc. Computer Science.
Origin B.Sc. Computer Science
One semester,
each summer semester
Person in charge of the module's outline Prof. Dr. Bernd Freisleben


  • Fundamentals of system software: tasks, processes, resource management, synchronization, jamming, memory management, file systems, input/output, virtualization, Unix introduction.
  • Basics of computer communication: protocols: ISO-OSI, TCP/IP. Data transfer: twisted pair, coax, fiber, bit coding, modulation techniques; Networks: LANs, WANs, GANs, MANs, Ethernet, Token Ring, bridges, routers, FDDI, ATM.
  • Internet: TCP/UDP/IP protocols, Internet addresses, routing, DNS, ARP, FTP, e-mail, HTTP, WWW.

Qualification Goals

Students will

  • know the basic concepts of system software,
  • know how to use Unix operating system commands,
  • know the methods of computer communication,
  • know the concepts of the Internet,
  • are able to follow scientific working methods (recognizing, formulating, solving problems, training the ability of abstraction),
  • are able to speak freely about scientific content, both in front of an audience and in a discussion.




The module can be attended at FB12 in study program(s)

  • B.Sc. Data Science
  • B.Sc. Computer Science
  • B.Sc. Business Mathematics
  • M.Sc. Mathematics
  • LAaG Computer Science
  • BA Minor Computer Science

When studying B.Sc. Computer Science, this module must be completed in the study area Basic Modules in Computer Science.

The module can also be used in other study programs (export module).

Recommended Reading

  • W. Stallings: Operating Systems, Pearson, 2018; A.S. Tanenbaum: Modern Operating Systems, Prentice Hall, 2015; J. Kurose, K. Ross: Computernetze, Pearson 2014; A.S. Tanenbaum, D. Wetherall: Computernetzwerke, Pearson 2012; F. Halsall: Data Communications, Computer Networks and Open Systems, Addison-Wesley 2005; Schreiner, Rüdiger: Computernetzwerke, Hanser 2019; Lienemann, G., Larisch, D., TCP/IP - Grundlagen und Praxis, Heise 2013.

Please note:

This page describes a module according to the latest valid module guide in Winter semester 2023/24. Most rules valid for a module are not covered by the examination regulations and can therefore be updated on a semesterly basis. The following versions are available in the online module guide:

The module guide contains all modules, independent of the current event offer. Please compare the current course catalogue in Marvin.

The information in this online module guide was created automatically. Legally binding is only the information in the examination regulations (Prüfungsordnung). If you notice any discrepancies or errors, we would be grateful for any advice.