Decoding Computation: Explaining How Computers Really Work

August 12, 2022

Decoding Computation: Explaining How Computers Really Work



Explore the fundamentals of computing: computer architecture, binary logic, data processing, circuits & more. Supported by Google


Understand computation, the basis of every computer system

On this course, you’ll gain an understanding of how computers work at a fundamental level.

You’ll explore system architecture, along with how computers use binary and logic. Once you’ve examined the von Neumann model of computer architecture and the Fetch-Execute cycle, you’ll learn to build a range of simple circuits for maths, and then simulate various logic gates.

Ultimately you’ll complete the course with an understanding of the processes that underpin every modern computer – from supercomputers to smartphones, and everything in between.

What topics will you cover?

How computers use binary arithmetic

How transistors can act as digital switches and be combined to create logic gates

Creating truth tables for AND, NOT and OR gates, individually or combined

How logic gates can be combined to produce digital circuits that can perform a calculation

Von Neuman Architecture and the Fetch-Execute cycle

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Learning on this course

On every step of the course you can meet other learners, share your ideas and join in with active discussions in the comments.

What will you achieve?

By the end of the course, you‘ll be able to...

  • Explain how transistors can act as digital switches and be combined to create logic gates
  • Produce truth tables for AND, NOT and OR gates, individually or combined
  • Explain how computers use binary arithmetic
  • Describe how logic gates can be combined to produce digital circuits that can perform a calculation
  • Describe Von Neuman Architecture and the Fetch-Execute cycle

Who is the course for?

This course would suit teachers of KS3 and GCSE Computer Science - plus educators from other countries that teach at an equivalent level.

Who developed the course?

Raspberry Pi Foundation

The Raspberry Pi Foundation works to put the power of digital making into the hands of people all over the world, so they are capable of understanding and shaping our increasingly digital world

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National Centre for Computing Education


This course is part of the National Centre for Computing Education (NCCE). Funded by the Department for Education and partners, we aim to change the way computing is taught in schools across England, and enable more young people to benefit from studying this important subject.




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The Influence of Cybersecurity on the Software Development Life Cycle

August 12, 2022

The Influence of Cybersecurity on the Software Development Life Cycle




Examine security in the software development life cycle and discuss the legal and ethical aspects of secure systems.


Discover the basics of cyber security standards

Businesses around the world are investing in skills and resources to strengthen their cybersecurity due to increased reports about serious vulnerabilities and a growing industry that seeks to exploit them.

Discover the importance of secure system design and find out how security-first mindset can improve the software development process. This 2-week course introduces you to the history of system development and security, and helps you build the skills to evaluate the legal and ethical considerations when creating secure systems.

Explore the history of system development and security

This course begins by reviewing the history of system development, before moving onto a review of the software development life cycle. This is an opportunity to grow your understanding of the different security considerations and how they fit into the software development process. Once you have completed this stage, you’ll be able to review basic security methods and discuss the history of cybersecurity.

Get to grips with the legal and ethical issues in cybersecurity

In addition to technical considerations, you’ll be exposed to a range of legal and ethical elements that influence the implementation of different security systems. This includes the legislation involved in software development and information security.

By the end of this course, you’ll have a basic understanding of these areas, and have a firm foundation to move onto further learning about how to design, build, and maintain robust security systems.

What topics will you cover?

  • An introduction to system security and the software development life cycle
  • Legal and ethical consideration in system development.

Learning on this course

On every step of the course you can meet other learners, share your ideas and join in with active discussions in the comments.

What will you achieve?

By the end of the course, you‘ll be able to...

  • Discuss the history of system development and security
  • Identify different cases of security breaks/issues on different systems (eg policy break, attacks, etc)
  • Describe the basic security primitives and methods
  • Evaluate legal and ethical considerations related to the design and development of secure systems

Who is the course for?

This course is suited to people looking to increase their understanding of software development lifecycle and security considerations. It has been designed for security analysts, security architects, software developers, and aspiring security specialists.

If you want to further your understanding, you may be interested in these courses, from the same provider, that share the same subject and overall learning outcomes:


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