Revision Quiz 2

What is an algorithm?

• A detailed step-by-step instruction set or formula for solving a problem or completing a task.

• A programming language used to implement software solutions.

• A type of computer hardware that processes data.

• A mathematical equation that represents the universe.

What does decomposition refer to in problem-solving?

• Breaking down a complex problem into smaller, more manageable parts.

• The process of eliminating unnecessary information from a problem.

• The act of solving a problem without any planning.

• Decomposing the chemicals involved in a problem.

Pattern recognition in problem-solving helps in identifying:

• The smallest part of a problem.

• Similarities or patterns among different problems to find a common solution.

• The differences between various programming languages.

• The chemical composition of materials involved in a problem.

What law makes organisations look after your personal data properly?

• Data Privacy Act
• Data Protection Act
• Data Protection Law
• Data Privacy Law

What is the main purpose of a data flow diagram?

• To represent the flow of data in a system

• To model and design relational databases

• To show the flow of electricity

• To show the structure of a website

Which of these is an example of data that would benefit from a limit check?

• Personal identification number (PIN) for an ATM card
• Email address

• Mother's maiden name
• Profit

What is the purpose of data validation?

• To make the data less secure
• To slow down the system
• To make the data more confusing and inconsistent
• To ensure that the data entered into a system is accurate, consistent, and secure.

What is a JSON file?

• A file used for storing video content
• A file format that stores data in a structured and organized manner

• A file format for audio data
• A type of image file

What is meant by data verification?

• Collecting new data
• Ensuring that data is in a suitable format for processing

• Deleting all data
• Checking and confirming the accuracy and quality of data

What does this shape represent?

• Input/Output
• Decision
• Process
• Start/Stop