S3 SDD Unit 2 - 3. Design

According to the passage, what are the two methods of designing a program?

• Pseudocode and Algorithm

• Pseudocode and Flow Chart

• Flow Chart and Diagram

• Analysis and Design

Fill in the blank: Design involves coming up with a solution to the problem that was set out during the _______ stage.

• analysis

• implementation

• testing

• maintenance

What is pseudocode?

• A programming language

• A numbered list of the main steps in the program

• A type of computer hardware

• A software application

Which of the following is an advantage of using pseudocode?

• It is difficult to convert to programming language

• It is easy to convert to programming language, as it uses similar terms

• It is written in binary code

• It is only used by experts

Which of the following is an advantage of using pseudocode?

• It describes each step in an English-like language, which is easy to understand

• It is written in a foreign language

• It is only for advanced programmers

• It is used for hardware design

Match the flow chart symbol to its correct meaning:

• Parallelogram

• Represents the 'start' and 'end'

• Diamond

• Initialise variables at beginning

• Hexagon

• A process such as a calculation.

• Oval

• Shows data input or output

• Rectangle

• Decision – (selection IF)

What does this flowchart check for?

• If five people are old enough to rent a van

• If one person is old enough to rent a van

• If five people can drive a car

• If five people are under 25 years old

According to the flowchart, what is the minimum age required to rent a van?

• A) 18

• B) 21

• C) 25

• D) 30

Fill in the blank: The flowchart checks the age of _____ different people to see if they are old enough to rent a van.

• five

• three

• two

• seven

List one problem with using flowcharts as mentioned in the image.

• Flowcharts can become complex and difficult to follow.

• Flowcharts are always easy to understand.

• Flowcharts do not require any symbols.

• Flowcharts are only used for mathematical problems.