This lesson contains 25 slides, with interactive quizzes and text slides.
Items in this lesson
Slide 1 - Slide
Slide 2 - Slide
What is an algorithm?
Slide 3 - Open question
Slide 4 - Slide
Slide 5 - Slide
Give one way of representing an algorithm
Slide 6 - Open question
Slide 7 - Slide
Slide 8 - Slide
Below is a flowchart of an alarm system, break down the check off/snooze sub-system into further sub-systems.
Slide 9 - Open question
Slide 10 - Slide
Slide 11 - Slide
Selection is setting the order in which things happen
A
True
B
False
Slide 12 - Quiz
Selection uses comparison operations
A
True
B
False
Slide 13 - Quiz
= is a comparison operation
A
True
B
False
Slide 14 - Quiz
!= is a comparison operation
A
True
B
False
Slide 15 - Quiz
You can use Booleans like AND to make multiple comparisons
A
True
B
False
Slide 16 - Quiz
IF and OR are both conditional statements
A
True
B
False
Slide 17 - Quiz
Slide 18 - Slide
Slide 19 - Slide
Write pseudocode for a program which asks a multiple choice quiz question, e.g. "What is the world's largest ocean?". It then gives 3 possibilities numbered 1, 2 and 3 and asks the user to enter 1, 2 or 3. An appropriate response is then output.