Free Online Courses and Lectures for Computer Science 2022


Computer science is the research and development of technology that helps solve problems at their most basic level. Computer science has given the world things like smartphones, GPS systems, the gaming industry, tablet computers, and technological advances that help the government, business, and medicine. Computer scientists make new technologies, but they also improve the ones we already have and study how computers can make our lives easier.

As with any other branch of science, computer scientists do research that leads to new information. This research starts with mathematical algorithms and computer theory that are already known and tries to keep redefining what technology can do for us. Computer science also looks at how existing technology can be used in ways that haven’t been previously thought of. This can lead to faster, easier, more useful, or cheaper applications.

The first step in making the hardware, software, and complex network systems we use are to look into fundamental questions about computation. Some computer scientists only work on theory, while others only work on programming, and others only work on applications for users. This research will lead to new tools and ways of doing things that will improve business, scientific applications, and social networking.

Sample Courses

During the first two years of a standard 4-year program, students focus on the basics:

  • Calculus I, II, & III
  • Program Design
  • Foundations of Computing
  • Introduction to Algorithms
  • Computer Architecture
  • Computer Architecture
  • Computer Graphics

Most core courses for a Bachelor of Science in Computer Science are taken in the third and fourth years, and they may include the following:

  • Algorithm Design and Analysis
  • Technical Writing
  • Building Databases
  • Putting Together
  • Technical Writing
  • Artificial Intelligence
  • Mobile Applications
  • Wireless Networks
  • Software Engineering
  • Software Engineering
  • Possible Specializations

Most computer science specializations can be put into three groups:

  • Hardware
  • Software
  • Robotics

Hardware is the computer’s physical computer. The processors and chips that send receive, and process information make up the hardware. It can also cover printers, disk drives, monitors, keyboards, tracking devices, and game controllers that work outside of the computer.

On the other hand, the software is the tool we use to tell computers how to do things. Software programs used on a smartphone can be Internet browsers, game systems, GPS technology, search engines, or social network apps. The process of making software is very complicated and requires accuracy and precision.

Robotics looks at how computers interact with our world and tries to find ways for computers to do things humans do. Robotics experts work closely with hardware and software designers to make robots that work well and find out what else they can do.

Degree Types

After getting one of the four main levels of a computer science degree, you can do different things. The more degrees a computer scientist has, the more senior they are, leading to more research-based, academic positions. Look at the short descriptions of each degree below.

Associate Degree

The first-year degree in computer science helps students learn the basics of the field. After getting an associate’s degree in computer science, they can go on to earn a bachelor’s degree, ideally with a lot of core credits already done. Even though it’s hard to get a full-time job in computer science with just an associate’s degree, the programming skills and fundamental skills you learn at this level are a great introduction to the field. Very good programmers may only need an associate’s degree to get a job, relying on their interests to teach them what a bachelor’s or graduate degree could.

Bachelor’s Degree

Bachelor’s programs in computer science require mathematics in math, physics, and engineering. There are several interdisciplinary specializations for talented computer scientists, but students must first master programming, algorithms, and network systems.

Master’s Degree

Graduates can get a master’s degree in computer science, which gives them even more practical candidates. A master’s program is usually two years long, and it teaches you how to use some of the most recent applications.

Ph.D. Degree

A Ph.D. in computer science is an option for computer scientists who want to do research. Ph.D. programs go into computational theory in-depth and encourage students to develop new ideas in the field. When students finish the Ph.D. program, which usually takes between 4 and 6 years after graduating from college, they are prepared for a career doing research and teaching.

Ideal Candidates for Computer Science

Most computer scientists can think logically and solve problems well. If you want to come up with new ideas, you also need to be creative, and it helps you be good at math. If you have these qualities and can also think critically and pay close attention to details, computer science might be the right field for you.

It’s important to remember that computer scientists usually work with other people. They don’t just sit at a computer by themselves. It’s also important to communicate well and work well with others.

If computer scientists’ courses and career options sound interesting to you, you may be the kind of mathematician and creative course-solver that the industry needs. Research undergraduate computer science programs and think about setting up a meeting with a professor or advisor to talk about a program in more degrees. Research student members of professional computer science networking groups or think about joining a local computer science club to meet people and learn more about the field.

Pathways to a Career

When they finish their undergraduate program, computer scientists have many options. Most of these graduates take jobs in programming, software engineering, or web development as their first job. Some titles for newcomers are:

  • Systems Administrator
  • Software Developer
  • Software Engineer
  • Business Analyst
  • Network Engineer

With a few years of work experience, you can expect to move up in the company. Most computer scientists who want to stay in the industry choose to get a final master’s degree to improve their practical computer science skills.

Computer scientists who are more interested in research than practical work can sometimes get an entry-level job in a research and development firm or software company. However, if they want to make a lot of progress, they should go to graduate school. Some researchers spend their whole careers trying to solve hard problems that lead to new products. Earning a Ph.D. gives these computer scientists the tools and money they need to research.

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