Podcast
Questions and Answers
What is the first step in an algorithm to find the average of two numbers?
What is the first step in an algorithm to find the average of two numbers?
- Draw a flow chart
- Calculate the difference
- Read two numbers (correct)
- Display the average
Which pseudo code statement would correctly represent swapping two numbers?
Which pseudo code statement would correctly represent swapping two numbers?
- b = a + b; a = b - a; b = b - a;
- temp = a; a = b; b = temp; (correct)
- a = a - b; b = a + b;
- a = b; b = a;
When organizing two numbers in descending order, which conditional statement would typically be used?
When organizing two numbers in descending order, which conditional statement would typically be used?
- Always display a first
- If a > b, then display a and b (correct)
- If a < b, then display a and b
- If a = b, then display both
What output should be produced by an algorithm that checks if a number is odd or even?
What output should be produced by an algorithm that checks if a number is odd or even?
To calculate the maximum mark from three student marks, which operation is not necessary?
To calculate the maximum mark from three student marks, which operation is not necessary?
Flashcards
Average of two numbers
Average of two numbers
Calculates the arithmetic mean of two input numbers.
Swapping two numbers
Swapping two numbers
Exchanges the values of two variables.
Descending order
Descending order
Arranges two numbers from largest to smallest.
Odd/Even number
Odd/Even number
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Product and Difference
Product and Difference
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Average of 3 marks
Average of 3 marks
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Print n even numbers
Print n even numbers
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Study Notes
Flowchart & Pseudocode Tasks
- Task 1: Create an algorithm, pseudocode, and flowchart to calculate the average of two numbers.
- Task 2: Design an algorithm, pseudocode, and flowchart to swap the values of two numbers.
- Task 3: Develop an algorithm, pseudocode, and flowchart to sort two numbers in descending order.
- Task 4: Create an algorithm, pseudocode, and flowchart to determine if a number is odd or even.
- Task 5: Construct an algorithm, pseudocode, and flowchart to calculate the product and difference of two numbers.
- Task 6: Develop an algorithm, pseudocode, and flowchart to input 3 student marks, calculate the average and find the highest mark.
- Task 7: Create an algorithm, pseudocode, and flowchart to print all even numbers up to a specified limit (n).
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