What is Computer Science?

By Steven Galvin - Last update

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Computer science is the study of computers and computational systems.

What is Computer Science?

  • It is the study of algorithms, computer programs, and applications that allow computers to solve problems and perform tasks.
  • Computer scientists design and analyze software, invent new computing technologies, and research how computing can make technological systems safer, more powerful, and more useful.
  • Core topics include computer programming, software engineering, computer architecture, algorithms, databases, artificial intelligence, computer networking, security, and more.
  • Computer scientists study theory and methods for processing information using digital computers. They discover new ways to use computers and develop new computer technologies.
  • It involves a mix of theory and hands-on application. Computer scientists rely on mathematics, engineering, and algorithms to write code and create computer programs.
  • They may program complex software, build databases, ensure networks are secure, or design user interfaces and interactions. Their work powers innovation across industries.
  • It is considered an extremely versatile degree, with computer science skills applicable to roles in areas as diverse as healthcare, finance, entertainment, education, transportation, and more.


Explore courses in Computer Science here

Steven Galvin

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