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Lesson 2

Fundamentals of Computing

1. NEW INFORMATION - Flipped lesson

Watch the following clips at home prior to the lesson. Take notes where appropriate and answer the questions:

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1. Why do we use a Base 10 number system? Give an example.
2. Calculate the number value of the following binary number 1001101.
3. Represent the number 212 using binary numbers.

2. GOAL  Computing is essentially based on binary code and logic gates.

3. ACCESS PRIOR KNOWLEDGE

Discuss the following questions:

1. How does binary code enable the operation of technological devices ranging from calculators to high powered supercomputers?
2. What advantages does binary code have over the decimal system that enables it to be used in the information technologies?

Play the following clip  and then test yourself. Take the Quiz and complete the Activity.

BrainPOP - Binary (3 min)  contains a video explaining the binary system and how it works in computing. It also has an Activity, Graphic Organizer and Vocabulary definition activity.

3. NEW INFORMATION

Watch the Fundamentals of Computing  presentation and discuss with your teacher if necessary. Summarise the slides in your workbook.

(20 mins)

Complete the  Fundamentals of Computing activities:

Additional information is available at:

5. GOAL REVISITED

(5 mins)

Pair and share with another student what you have learnt from the activity. The discussion needs to focus on why the use of binary code, as complex as it might seem for us humans, is actually a useful way for a computer to send and receive information.

6. EXTENSION ACTIVITIES

(optional)

• Make a 4-Bit Calculator hands-on activity

Download the ‘Instructables’ PDF guide about how to make your own 4 Bit Binary Calculator, or follow the online instructions at

• Construct a 4-bit calculator using basic gates.

Complete the Minecraft Basic logic gate tutorial

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