Topic 1: Computational thinking, level 1

What is decomposition in computational thinking?

• Breaking problems into smaller parts

• Ignoring unnecessary details

• Combining multiple problems

• Writing pseudocode

Which of the following is an example of abstraction?

• Ignoring colour when designing a traffic light system

• Breaking a recipe into steps

• Combining two algorithms

• Writing a flowchart

Why are subprograms used in programming?

• To simplify code by reusing functionality

• To increase runtime complexity

• To reduce memory usage

• To write pseudocode

What does a flowchart represent?

• An algorithm

• A data structure

• A runtime error

• A variable

What type of loop repeats for a fixed number of times?

• Count-controlled loop

• Condition-controlled loop

• Infinite loop

• Iteration over data structure

What is the purpose of pseudocode?

• To provide an informal description of an algorithm

• To compile code faster

• To debug syntax errors

• To create flowcharts

Which operator calculates the remainder of division?

• /

• //

• %

• **

What does the logical operator AND return if both inputs are true?

• False

• True

Which relational operator checks if two values are equal?

• !=

• ==

• >

• <

What is the main benefit of using constants in code?

• To change values during execution

• To store values that do not change during execution

• To increase memory usage

• To reduce readability