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Understanding Computer Systems

CO212 Online course

Understand how the components of a computer system interact with each other on this online course for computing teachers.

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Computer systems Computing Key stage 3 Key stage 4 KS3 and GCSE subject knowledge certificate
Free online course Approximately 8 hours of self-study

During this course you'll learn how a computer works after you press the power button is key to working with technology effectively. On this course, you will explore what happens inside the machine and learn how computers turn inputs into outputs.

You will learn what the computer operating system does and why you need it. You will also compare software and hardware, understand the importance of the central processing unit (CPU), and address factors that affect computer performance.

Who is it for?

This course is aimed at classroom teachers teaching up to and including GCSE computer science.

Topics covered

You'll cover the following topics: 

  • how a computer system uses the input, process and output (IPO) model
  • key hardware components including the CPU, memory etc.
  • the different types of software available
  • factors that affect a computers performance

How will you learn?

This online, self-paced course can be completed flexibly. You can join and start this course at any time after the advertised date. This course is not facilitated. You can learn independently or with colleagues to directly address your individual needs.

Outcomes

You will be able to:

  • Describe the difference between hardware and software
  • Assess the importance of operating systems and virtual memory
  • Describe and compare storage, input, and output device
  • Discuss factors affecting the performance of a system
  • Identify the functions of the hardware in a computer system
  • Explore different types of software such as application, system, and utility Investigate how devices interact with the operating system and other software

This course is part of the KS3 and GCSE Computer Science subject knowledge certificate

Key stage 3 and GCSE Computer Science certificate

Our certificate is designed to help you develop or refresh your computer science subject knowledge.

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This course is from the National Centre for Computing Education and is delivered by STEM Learning.

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