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QR Challenge: revision

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. What is the function of the CPU
2. State the role of the RAM in the fetch-decode-execute cycle
3. Define the term 'volatile memory'
4. Describe how data is stored on magnetic storage devices
5. What are the three main types of logic gates
6. Convert 9C into a denary number
7. What is the difference between lossy and lossless compression
8. What is difference between proprietary software and open-source software
9. Convert 187 into binary

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q1/9:

What is the function of the CPU&choe=UTF-8

Question 1 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q2/9:

State the role of the RAM in the fetch-decode-execute cycle&choe=UTF-8

Question 2 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q3/9:

Define the term 'volatile memory'&choe=UTF-8

Question 3 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q4/9:

Describe how data is stored on magnetic storage devices&choe=UTF-8

Question 4 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q5/9:

What are the three main types of logic gates&choe=UTF-8

Question 5 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q6/9:

Convert 9C into a denary number&choe=UTF-8

Question 6 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q7/9:

What is the difference between lossy and lossless compression&choe=UTF-8

Question 7 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q8/9:

What is difference between proprietary software and open-source software&choe=UTF-8

Question 8 (of 9)

 


revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=revision
Q9/9:

Convert 187 into binary&choe=UTF-8

Question 9 (of 9)