What are the most important subjects in computer science?

Computer science undergraduate courses contain a variety of subjects apart from programming languages. Computer science is not just about coding. Hence a student of computer science is expected to be at ease with many other subjects like discrete mathematics, digital systems, operating systems, etc and all these subjects are equally important in undergraduate or graduate level courses.

Most college/university courses teach the following subjects in one of the earlier semesters (year 1 or 2 generally):

  • Data structures,
  • Data base management,
  • Dgital systems or computer architecture
  • SQL
  • Calculus
  • Discrete mathematics
  • Statistics
  • Algorithms and their analysis
  • Software design and software engineering
  • Data communications and networking
  • Systems programming
  • Object oriented concepts
  • Operating systems
  • Two or three programming languages like Python, C++, Java, C, etc

Most colleges and universities also offer optional subjects or electives which a student may choose depending on her interests. Some of the commonly offered electives are:

  • Artificial intelligence
  • Data Science
  • Internet of Things (IoT)
  • Web Development
  • Machine Learning
  • Mobile computing
  • Robotics
  • Real-time computing
  • Data and Information Security
  • Cryptography
  • Numerical Analysis and computing
  • Human Computer Interface
  • Computer Graphics and Computer Vision
  • Modeling and Simulation
  • Virtual Reality
  • Augmented Reality

So, a degree in computer science will certainly not mean only coding. There are a number of subjects, theoretical and application oriented, that must be mastered to earn the degree of computer science.


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