
Sorting algorithms (Y11)
Authored by Billard
Computers
8th Grade - University
Used 172+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is a sorting algorithm?
Specific instructions which allow us to understand code
Specific instructions which allow us to organise data in a particular way
Kinda like a word-scrambler
Kinda like a password-decrypter
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the most important reason that data needs to be sorted?
It is organised and easier to make sense of.
So it looks nice.
To show we can do it.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following are sorting algorithms?
Binary, linear
Numerical, phonetic
Bubble, merge
File, alphabetical
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do bubble sorts work?
They split the list to single elements before piecing them back together, one sublist at a time.
Each item in the list is compared with the following item starting with the last value till the first.
Taking one item at a time from an unsorted list, each new item is compared with the previous until its place is found.
Each item in the list is individually compared with the following item starting with the first value till the last.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an advantage of a bubble sort?
It is difficult to implement.
It is fast.
It uses less memory.
It is easier to implement and follow.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum number of comparisons if there are 5 elements to sort?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the maximum number of passes/iterations? Where n = number of elements in a list.
n - 1
n + 1
n(n+1)
n(n-1)
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