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Algorithm design - Part 2
1
of
25
💡
Hints:
3
Q1. Bubble sort takes the first two values of a list, and swaps them if wrong?
A. True
B. False
Q2. Where can Linear Search be performed?
A. On letters
B. On numbers
C. Both
D. None of these
Q3. Data types of variables can never be changed.
A. FALSE
B. True
Q4. What is the difference between a function and procedure
A. They are two names for the same thing
B. You can pass variables in function
C. You can return variables in a function
D. You can pass variables in procedure
Q5. What are the two ways that algorithms can be designed?
×
A. Images or videos
B. In pseudocode or as a flowchart
C. By hardware or software
Q6. Any numerical data
A. Output
B. Input
C. Number
D. Data
Q7. Which type of search algorithm is this?
×
A. Binary
B. Linear
Q8. Which of the following is a limitation of using a model to study something?
A. A model cannot represent a thing exactly.
B. A model cannot help study things that are dangerous.
C. A model cannot reproduce things that are too far away.
D. a model cannot show things that are too small or too large.
Q9. According to the image, when you click on the green flag
A. It will show the backdrop called "Tittle" wait 5 seconds and then switch to the backdrop called "scene 1"
B. It will show the backdrop called "Tittle" wait 3 seconds and then switch to the backdrop called "scene 1"
C. It will show the backdrop called "Scene 1" wait 5 seconds and then switch to the backdrop called "title"
D. It will show a Sprite called "Tittle" wait 5 seconds and then switch to the costume called "scene 1"
Q10. To add an item to the end of a list, what command can we use?
A. append()
B. insert()
C. split()
D. remove()
Q11. How many binary searches will it take to find the value 7 in the list [1,4,7,8,10,28]?
A. 0
B. 1
C. 2
D. 3
Q12. Which terms best describes each step in a computer program?
A. Vague
B. Confusing
C. Random
D. Specfic
Q13. Which data type is used to store:99.10
A. Integer
B. Double
C. String
D. Boolean
Q14. Deciding which clothes to wear to a party is an example of what?
A. Abstraction
B. Computational thinking
C. Decomposition
Q15. Any algorithm is a program.
A. True
B. False
Q16. Each item in a list has an "address" or index. The first index in a Python list is what?
A. 0 (Zero)
B. 1
C. a
D. A
Q17. What does PATTERN RECOGNITION mean?
A. It is the process of finding similarities and differences between things.
B. It is the creation of shapes of similar colours and sizes.
C. It is the writing of algorithms that all do similar things
D. It is when decomposition of two problems, creates the same result.
Q18. If/else if/else are examples ofThis code uses:
A. Iteration
B. Selection
C. Sequencing
Q19. What will the following algorithm display?a ←26 MOD 13display(a)
A. 26
B. 13
C. 8
D. 0 (Zero)
Q20. Which algorithm does this image represent?
×
A. Linear search
B. Binary search
C. Bubble sort
D. Merge sort
Q21. ___is used to denote when the program will stop.
A. FINISH
B. BEGIN
C. END
D. ELSE
Q22. Which sorting algorithm takes an item from the list, and puts it in the correct place in a sorted list?
A. Merge
B. Bubble
C. Insertion
D. None of them do
Q23. What will happen if the user’s book return is late?
×
A. Sends them an SMS (text)
B. Does not send them an SMS (text)
Q24. A section in a flowchart that displays a message to a user is known as a
A. output
B. decision
C. sequence
D. wait
Q25. Identify a variable within this f lowchart.
×
A. INPUT
B. Start
C. 12
D. RESULT
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