What is the process of extracting information that is essential while ignoring what is not relevant called?

• Abstraction

• Decomposition

• Compilation

• Debugging

Answer explanation

Abstraction is the process of extracting essential information while ignoring what is not relevant. It involves focusing on the key details and concepts.

What is the purpose of practical programming activities suggested in the chapter?

• To reinforce the skills being learned and develop the skill of programming

• To create a presentation

• To write a report

• To draw diagrams

Answer explanation

To reinforce the skills being learned and develop the skill of programming

What is the main focus of the chapter on algorithm design and problem solving?

• To learn computational thinking skills and how to write algorithms

• To learn how to compile code

• To learn how to debug programs

• To learn how to create presentations

Answer explanation

The main focus of the chapter on algorithm design and problem solving is to learn computational thinking skills and how to write algorithms.

What is the term for a visual representation of the steps in an algorithm?

• Flowchart

• Pseudocode

• Procedure

• Function

Answer explanation

A flowchart is the term for a visual representation of the steps in an algorithm, making it the correct choice.

What is the term for a detailed, step-by-step description of an algorithm written in plain English?

• Pseudocode

• Flowchart

• Procedure

• Function

Answer explanation

The term for a detailed, step-by-step description of an algorithm written in plain English is Pseudocode.

What is the essential part of computational thinking that enables computer scientists to develop clear models for complex problems?

• Decomposition

• Abstraction

• Pattern recognition

• Algorithm

Answer explanation

Abstraction is the essential part of computational thinking that enables computer scientists to develop clear models for complex problems by simplifying and focusing on the most important aspects.

What is the first stage of abstraction?

• Identifying the purpose of the model

• Gathering information from appropriate sources

• Identifying extraneous details

• Developing a solution

Answer explanation

Identifying the purpose of the model is the first stage of abstraction, as it sets the foundation for the rest of the modeling process.

What is the purpose of decomposition in computational thinking?

• To identify patterns in data

• To break a complex problem into smaller parts that can be solved individually

• To develop a clear model for a solution

• To extract essential information

Answer explanation

To break a complex problem into smaller parts that can be solved individually

What is the benefit of using program modules in decomposition?

• They increase the complexity of the program

• They can be written and tested as separate procedures or functions

• They make the program larger in size

• They reduce customer satisfaction

Answer explanation

Using program modules in decomposition allows for writing and testing separate procedures or functions, aiding in organization and efficiency.

What is the purpose of the road map model in Figure 9.1?

• To show all possible details of a location

• To allow a driver to plan a journey

• To provide a satellite view of the area

• To include all roads and towns

Answer explanation

To allow a driver to plan a journey