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QR Challenge: Computer Programming Test Review

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. Computer science is an activity in which we __________, __________, ____________, and __________ solutions to algorithmic problems.Create, implement, analyze, and communicate
2. Unsolicited bulk emails are called ________Spam
3. Describe Y2K in 1 sentence The date on the computer wouldn't update.
4. Computers operate using using a number system in base ___Base 2
5. Humans operate using a number system in base ___Base 10
6. What would be an example of a binary decision?Answers vary.
7. How many bits are in one byte?8
8. A Gigabyte is _____ Kilobytes1000
9. The code used to encode the alphabet and numbers for the computer to understand is called ____.ASCII
10. The dots that make up an image are called ____Pixels
11. What kind of compression does .bmp pictures use?Lossless
12. What kind of compression does .jpg pictures use?Lossy
13. What kind of operation is [Turn On]Basic operation
14. What kind of operation is [Repeat setp 1 10 times]?Repeat or Looping operation
15. List the three steps in the problem solving process.Analyze the problem, Implement the algorithm, Maintenance
16. Why is pseudo code valuable?Allows you to think about the program more abstractly than a computer coding language does.

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Computer_science_is_an_activity_in_which_we___________,___________,_____________,_and____________solutions_to_algorithmic_problems.

Question 1 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Unsolicited_bulk_emails_are_called_________

Question 2 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Describe_Y2K_in_1_sentence

Question 3 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Computers_operate_using_using_a_number_system_in_base____

Question 4 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Humans_operate_using_a_number_system_in_base____

Question 5 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_would_be_an_example_of_a_binary_decision?

Question 6 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_bits_are_in_one_byte?

Question 7 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_Gigabyte_is_______Kilobytes

Question 8 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_code_used_to_encode_the_alphabet_and_numbers_for_the_computer_to_understand_is_called_____.

Question 9 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_dots_that_make_up_an_image_are_called_____

Question 10 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_kind_of_compression_does_.bmp_pictures_use?

Question 11 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_kind_of_compression_does_.jpg_pictures_use?

Question 12 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_kind_of_operation_is_[Turn_On]

Question 13 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_kind_of_operation_is_[Repeat_setp_1_10_times]?

Question 14 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=List_the_three_steps_in_the_problem_solving_process.

Question 15 (of 16)

 


Computer Programming Test Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why_is_pseudo_code_valuable?

Question 16 (of 16)