Introduction to Computer Science

What a student got to know before studying IT and programming
Free tutorial
Rating: 4.6 out of 5 (44 ratings)
1,044 students
41min of on-demand video

Information and Data
Data Structures
What is an Algorithm
Computer's Design
Basics of Programming


  • High school graduate


The overall goal of Computer Science was to create the computer as a universal information processing device. This course is specially designed for those who want to quickly grasp the essence of Computer Science without going into abstract mathematical theories.

The course is composed of concise lectures, which reveal basic terms and steps which lead to understanding of how a computer is built and how it can be programmed with a programming language. The course is made as short as possible by avoiding proofs and long arguments, and mostly using only ready-made conclusions gained from research.

The course contains:

  • Information and Data - what is the main subject of Computer Science.

  • Researchers who have contributed most to the development of Computer Science - a brief historical overview of how Computer Science was created and what non-trivial problems had to be solved at different points in time. This information is important in terms of ordering and prioritizing Computer Science topics.

  • Description of Data and the description of Algorithms are the two most important topics that, like axes of a coordinate system, hold the entire Computer Science system together.

  • The design and basic operation of a digital computer - how the device was able to combine data processing based on typical algorithms.

  • Finally, an example of a simple Pascal program that summarizes the knowledge from the previous lectures.

Who this course is for:

  • Teenagers or adults planning to study computers or just to have better understanding of them


IT and Programming
Alexander Kazantsev
  • 4.6 Instructor Rating
  • 44 Reviews
  • 1,044 Students
  • 1 Course

- Graduated from Kazan State (Federal) University, Russia, 1993 - Applied Math and System programming, specializing in Computer Graphics for Computer Game applications;

- Associate prof. at Kazan State (Federal) University, Russia, Dept. of Applied Math.,1998; Lectures on Computer Graphics for programmers, practical training on Computer Science and Programming;

- Professor at Dongseo University, S. Korea, 2008 (1 year); Lectures on Computer Graphics and Introduction to Virtual Reality;

- MCP (Microsoft Certified Professional), 2005;

- PhD (rus: Candidate of Technical Sciences), 1996.

- Author of articles on IT in English and Russian;

- Currently working as a programmer in Moscow.

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