Lesson 2: Algorithm

Question 1

It is a detailed sequence of simple steps that are needed to solve a problem.

Answer 1

Algorithm

Question 2

It is a picture or graphical representation of the problem-solving process.

Answer 2

Flowchart

Question 3

What are the 2 elements of a flowchart?

Answer 3

1 Various geometrical shapes (representing the steps of the solution)
2. Directional arrows (connection showing the flow of the solution)

Question 4

What are the 3 uses of a flowchart?

Answer 4

1. To specify the problem-solving method
2. To plan the sequence of a computer program
3. To communicate ideas and solutions

Question 5

Give the 5 common flowchart symbols.

Answer 5

1. Oval
2. Rectangle
3. Diamond
4. Arrow
5. Parallelogram

Question 6

What do the common flowchart symbols represent?

Answer 6

1. Oval - Terminator
2. Rectangle - Process
3. Diamond - Decision
4. Arrow - Connector
5. Parallelogram - Data

Question 7

What is the process in drawing a flowchart?

Answer 7

1. Identify input and output
2. Apply reasoning skills to solve the problem
3. Use the appropriate symbols and arrows to show the sequence of steps

Question 8

It is a method of describing computer algorithms using a combination of natural language and programming language.

Answer 8

Pseudocode