
Q&A – Repetition Makes Algorithms Concise (Primary 4 – 4CT.03)
Authored by Shervon Yak
Computers
4th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using repetition makes an algorithm shorter.
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these two algorithms is more concise?
A
B
Both the same
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using a loop makes an algorithm more _______.
concise (or shorter/efficient)
complicated
lengthy
confusing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do they give the same output? Which is better?
Yes, they give the same output and one is better than the other.
No, they do not give the same output and neither is better.
Yes, they give the same output and neither is better.
No, they do not give the same output but one is better.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q5. Debugging
The algorithm should clap 5 times, but the student wrote:
OUTPUT "Clap"
OUTPUT "Clap"
How to make it correct and concise?
Use a loop to OUTPUT "Clap" 5 times
Write OUTPUT "Clap" five times in a row
Change OUTPUT to INPUT
Remove all OUTPUT statements
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Writing 10 lines of “OUTPUT Hello” is better than using a loop.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do programmers use loops?
To make programs longer
To make programs shorter and easier
To confuse people
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