7.3 Designing and Constructing a Solution Cambridge IGCSE 0478

Which of the following is a method used to design a solution to a problem?

• Flowcharts

• Binary trees

• Hexadecimal notation

• Relational databases

What is the purpose of a structure diagram in programming?

• To break down a problem into smaller, manageable parts.

• To write the final program code.

• To test an algorithm after implementation.

• To convert pseudocode into machine code.

Which diagram is best suited for visually representing the sequence of operations in an algorithm?

• Flowchart

• Venn diagram

• Entity-relationship diagram

• Bar chart

What is pseudocode?

• A way of writing algorithms using structured, human-readable statements.

• The final programming language used to execute a program.

• A method of encrypting program code for security.

• A type of database used to store programming instructions.

What is an advantage of using flowcharts?

• They provide a visual representation of the program flow.

• They execute faster than actual program code.

• They automatically convert into machine language.

• They replace the need for testing in programming.

Which symbol is used in a flowchart to represent a decision?

• Diamond

• Rectangle

• Oval

• Parallelogram

Which of the following is an advantage of using pseudocode in programming?

• It is independent of any specific programming language.

• It executes faster than actual program code.

• It can only be understood by compilers, not humans.

• It removes the need for writing actual code.

What does a parallelogram represent in a flowchart?

• Input or output

• Decision

• Process

• Connector

Why are structure diagrams useful in software development?

• They show the hierarchical structure of a system and its sub-systems.

• They replace the need for writing code.

• They show how data flows through an algorithm.

• They convert pseudocode into machine language.

Which of the following is not a method used to design a solution?

• Boolean algebra

• Flowcharts

• Pseudocode