Abstraction Quiz

What does abstraction mean in computational thinking?

• Including all the details in problem-solving

• Removing unnecessary details and including only relevant details in problem-solving

• Focusing on the complexity of the computer system

• Storing and manipulating data in a programming language

Which of the following is an example of abstraction in computer science?

• Knowing where and how files are stored on a hard disk

• Creating, opening, moving, saving, and deleting files

• Understanding the underlying code of an algorithm

• Representing an algorithm using flowcharts

When designing the user interface for a satellite navigation device, what is important to include on the map?

• Trees and buildings

• Road layout and car location

• Surrounding countryside

• Audio and visual clues for directions

What is the purpose of using icons in a user interface?

• To display all the functionality of the device

• To represent real-world examples of objects

• To suggest clearly what the icon is for

• To show the configuration of houses

What happens to the map data when creating algorithms for a satellite navigation device?

• The map data is stored in an appropriate data structure

• The map data is manipulated by the algorithm

• The map data is abstracted and not needed

• The map data is represented using flowcharts

What is a flowchart used for in algorithm design?

• To represent the underlying code

• To store and manipulate data

• To show the road layout and car location

• To abstract the complexity of the computer system

What are variables and calculations in code?

• Labels for memory locations

• Binary representations of numbers

• Complexity of the computer system

• Arithmetic logic unit operations

What is the purpose of abstraction in problem-solving?

• To include all the details

• To focus on the complexity of the computer system

• To remove unnecessary details and include only relevant details

• To store and manipulate data in a programming language

What level of detail is abstracted for the user when saving a file?

• Where and how the file is stored on the hard disk

• How to create, open, move, save, and delete files

• The underlying code of the file

• The representation of the file in binary

What is the purpose of variables in code?

• To represent real-world examples of objects

• To suggest clearly what the icon is for

• To store and manipulate data

• To show the configuration of houses