Computer scientists are the people who study and apply logic and mathematics to compute functions, designs, applications for computers. They have been around for a long time and have had an impact on our world in many ways.

As Amazon affiliates we may earn a commission if you purchase a product at no cost to you


Abstraction is at the heart of computer science. It lets us build powerful abstractions that allow us to solve problems more efficiently.

Abstraction enables us to represent complex systems in terms of simpler ones, which makes it easier to understand and manage.

Abstraction also allows us to create reusable components, which makes development faster and more efficient.

Finally, abstraction allows us to create models of the world that can be used for simulation or prediction.

Computer science class for mature adults.
Computer science class for mature adults.


Computer science is a field of study that focuses on the design and analysis of algorithms, data structures, and program code. It is one of the most important branches of engineering, because it creates the fundamental building blocks for everything from smartphones to search engines.

One of the hallmarks of computer science is its modularity. This means that all the different parts of a computer system are organized into modules, which can be independently developed and tested. This makes it possible to quickly prototype new ideas and test them in isolation before integrating them into a larger system.

Another advantage of modularity is that it makes it easy to reuse code across different projects. This saves time and resources, because you don't have to develop the same functionality twice from scratch.

Finally, modularity allows you to change or upgrade components as needed without requiring a complete re-build of the system. This flexibility is especially important in fields like software development, where new versions of programs are released regularly.

Student at computer science class.
Student at computer science class.


Computer science is the study of how computers work and how they can be used to solve problems.

The principles of computer science are the foundation on which all computing systems are built.

These principles include concepts such as information systems, computing devices, algorithms, data structures and software development.

By understanding these principles, computer scientists can develop new ways to solve problems and create more efficient technologies.

Recommended Article

10 Must-Read Computer Science Books for Every Programmer
A list of the 13 best books for computer science that are not just beginner friendly, but also challenge and prepare advanced students.


As someone who is interested in computer science, it's important to have a solid understanding of the three core principles: abstraction, compositionality, and statefulness. By understanding these concepts, you can start to build more efficient and reliable software systems. So why not give them a try? You might be surprised at just how much easier your life becomes when you understand these fundamental building blocks of computer science.