Algorithms, Abstraction & Flowcharts - Multiple Choice Questions

What is the main purpose of an algorithm?

• To create a visual design

• To solve a problem step-by-step

• To test software

• To store data

Which of the following best describes abstraction?

• Ignoring problems and jumping to solutions

• Focusing only on essential information

• Writing long, detailed algorithms

• Adding features to make programs complex

What is the correct flowchart symbol for a decision?

• Rectangle

• Oval

• Diamond

• Parallelogram

What is the purpose of decomposition in computational thinking?

• To convert flowcharts into code

• To test completed algorithms

• To break a complex problem into smaller parts

• To design user interfaces

In a flowchart, what does a parallelogram represent?

• Start or end

• A process

• Input/Output

Which of the following is an example of abstraction?

• Describing every step of brushing your teeth in detail

• Saying "Brush teeth" instead of detailing each motion

• Listing every breakfast ingredient

• Describing the color of each item in a room

Which of the following would be least useful when decomposing a problem?

• Breaking it into sub-tasks

• Identifying repeated patterns

• Adding unnecessary features

• Creating functions for small tasks

Which of the following is a benefit of using abstraction in programming?

• A) Programs become harder to understand

• B) Programs include more detailed steps

• C) Programs take up more memory

• D) Programs are easier and faster to develop

What is the correct order when solving a problem using computational thinking?

• Solution → Code → Decomposition → Flowchart

• Flowchart → Abstraction → Code

• Decomposition → Abstraction → Algorithm → Flowchart

• Algorithm → Abstraction → Decomposition

What does the diamond symbol in a flowchart typically represent?

• A) Loop

• D) A decision