Problem Solving in Computing for Year 11: Interactive Learning Quizzes

Question 1

In the context of problem-solving, what is the process of dividing a complex problem into smaller, more manageable parts called?

Accepted Answer

Decomposition

Answer

Refactoring

Answer

Abstraction

Answer

Pattern Recognition

Question 2

Which of the following is NOT a benefit of employing abstraction in problem-solving?

Accepted Answer

Increased execution time

Answer

Code simplification

Answer

Improved code maintainability

Answer

Reduced code complexity

Question 3

Pattern recognition in problem-solving involves:

Accepted Answer

Identifying similarities and trends in data

Answer

Breaking down a problem into subproblems

Answer

Removing unnecessary details

Answer

Validating the accuracy of a solution

Question 4

When approaching a complex problem using problem-solving techniques, what should be the initial step?

Accepted Answer

Decompose the problem into smaller subproblems

Answer

Identify patterns and trends

Answer

Develop an optimal solution

Answer

Verify the correctness of the solution

Question 5

In systematic problem solving, which of these is NOT a commonly used technique?

Accepted Answer

Guessing and checking

Answer

Abstraction

Answer

Decomposition

Question 6

Which of these is NOT a crucial step in effective problem-solving?

Accepted Answer

Developing a solution without considering limitations

Answer

Clearly defining the problem

Answer

Breaking down the problem into smaller parts

Answer

Testing and improving the solution

Question 7

Which is NOT a characteristic of an effective problem-solver?

Accepted Answer

Impulsiveness

Answer

Perseverance

Answer

Creativity

Answer

Logical reasoning

Question 8

Explain the distinction between decomposition and abstraction.

Accepted Answer

Decomposition breaks down the problem, whereas abstraction simplifies it.

Answer

Abstraction breaks down the problem, whereas decomposition simplifies it.

Answer

They are essentially the same technique.

Answer

Decomposition is used for simple problems, while abstraction is used for complex problems.

Question 9

Can problem-solving techniques be applied in everyday life?

Accepted Answer

Yes, they can assist us in resolving issues in various situations.

Answer

No, they are exclusively useful for resolving technical issues.

Answer

Sometimes, depending on the nature of the problem.

Answer

I'm not sure.

Question 10

Which of the following is NOT a problem-solving technique introduced in this unit?

Accepted Answer

Iteration

Answer

Decomposition

Answer

Abstraction

Answer

Pattern recognition

Question 11

Identifying common characteristics and relationships to form general rules is known as:

Accepted Answer

Pattern recognition

Answer

Abstraction

Answer

Decomposition

Answer

Algorithm design

Question 12

In problem-solving, abstraction refers to:

Accepted Answer

Representing a complex concept in a simpler form

Answer

Breaking a problem into independent parts

Answer

Reusing existing code components

Answer

Predicting future outcomes

Question 13

When faced with a complex problem, it's essential to:

Accepted Answer

Identify smaller, manageable subproblems

Answer

Focus on finding the optimal solution immediately

Answer

Break the problem into independent parts

Answer

Use trial-and-error without any strategy

Question 14

Decomposition involves breaking down a problem into more manageable parts.

Accepted Answer

True

Answer

False

Question 15

Which of the following is an example of abstraction?

Accepted Answer

Representing a real-world object as a class with attributes and methods.

Answer

Breaking down a problem into smaller parts.

Answer

Identifying recurring patterns in a problem.

Answer

Using a loop to repeat a set of instructions.

Question 16

Which of the following is not a characteristic of a valuable problem-solving technique?

Accepted Answer

Comprehensiveness

Answer

Simplicity

Answer

Generality

Answer

Efficiency

Question 17

Problem-solving involves refining and improving solutions throughout the process.

Accepted Answer

True

Answer

False

Question 18

Abstraction, in the context of problem-solving, refers to:

Accepted Answer

Focusing on essential features and ignoring irrelevant details

Answer

Identifying common patterns and behaviours

Answer

Breaking the problem down into smaller parts

Answer

Applying previously learned solutions to new problems

Question 19

Pattern recognition is a problem-solving technique that involves:

Accepted Answer

Identifying recurring patterns or sequences in the problem

Answer

Breaking down the problem into smaller parts

Answer

Abstraction

Answer

Applying brute force to solve the problem

Question 20

Decomposition in problem-solving refers to:

Accepted Answer

Breaking down a problem into smaller, more manageable parts

Answer

Combining several problems into a larger one

Answer

Replacing a complex problem with a simpler one

Answer

Solving a problem by randomly trying different approaches

Question 21

Abstraction in computing involves:

Accepted Answer

Ignoring irrelevant details to focus on the core problem

Answer

Adding extra details to make the problem more complex

Answer

Changing the problem statement completely

Answer

Guessing the solution without any analysis

Question 22

When applying abstraction in problem-solving, it is important to:

Accepted Answer

Ignore irrelevant details to focus on the core problem

Answer

Focus on all the details of the problem

Answer

Change the problem statement to make it easier

Answer

Guess the solution based on intuition

Question 23

Which of the following is a benefit of using decomposition in problem-solving?

Accepted Answer

Makes complex problems easier to understand and solve

Answer

Reduces the chances of errors

Answer

Automates the solution process

Answer

Improves the accuracy of the solution

Question 24

Pattern recognition can be effectively used to solve problems in which:

Accepted Answer

There are recurring patterns or structures

Answer

There is no apparent pattern

Answer

The data is random or unpredictable

Answer

The problem is too complex to decompose

Question 25

Which of the following is NOT a characteristic of a well-defined problem in computing?

Accepted Answer

Has multiple possible solutions

Answer

Has a clear goal or objective

Answer

Can be broken down into smaller subproblems

Answer

Has all the necessary information available

Question 26

Decomposition and abstraction are problem-solving techniques that:

Accepted Answer

Can be used to solve a wide range of problems in computing

Answer

Are only applicable to programming problems

Answer

Are always used together

Answer

Require advanced mathematical skills

Question 27

Which of the following is the initial step in the decomposition problem-solving technique?

Accepted Answer

Decomposing the problem into smaller, more manageable parts

Answer

Identifying the underlying pattern in the problem

Answer

Searching for a similar problem that has already been solved

Answer

Simplifying the problem using mathematical techniques

Question 28

Which of the following is NOT an advantage of abstraction in problem-solving?

Accepted Answer

May slow down the problem-solving process

Answer

Reduces problem complexity

Answer

Increases problem clarity

Answer

Reveals hidden relationships

Question 29

Pattern recognition involves identifying:

Accepted Answer

Regularities and relationships within a problem

Answer

Assumptions embedded in a problem

Answer

Potential obstacles in the solution process

Answer

The optimal solution without considering alternatives

Question 30

Which of the following characterizes a well-defined problem?

Accepted Answer

Precise goals and constraints

Answer

Numerous possible solutions

Answer

Incomplete or ambiguous information

Answer

Insufficient relevant data

Question 31

The primary purpose of brainstorming in problem-solving is to:

Accepted Answer

Generate a wide range of potential solutions

Answer

Evaluate the feasibility of each proposed solution

Answer

Select the most optimal solution

Answer

Implement the chosen solution

Question 32

Which problem-solving technique involves breaking the problem into smaller, simpler sub-problems?

Accepted Answer

Divide-and-conquer

Answer

Top-down

Answer

Bottom-up

Answer

Backtracking

Question 33

When employing the divide-and-conquer technique, the original problem is divided into:

Accepted Answer

Smaller, independent sub-problems

Answer

Larger, more complex sub-problems

Answer

Randomly chosen sub-problems

Answer

Overlapping sub-problems

Question 34

The process of identifying the key features of a problem while disregarding irrelevant details is known as:

Accepted Answer

Abstraction

Answer

Decomposition

Answer

Generalization

Answer

Heuristics

Question 35

Which of the following is NOT a fundamental problem-solving technique in computational thinking?

Accepted Answer

Generalization

Answer

Decomposition

Answer

Abstraction

Answer

Pattern recognition

Question 36

Which of the following is a primary advantage of using abstraction in problem-solving?

Accepted Answer

It simplifies complex problems by focusing on crucial details.

Answer

It reduces the number of steps involved in solving a problem.

Answer

It eliminates the need for decomposition and pattern recognition.

Answer

It guarantees a correct solution to any problem.

Question 37

Given the following code snippet: while (condition). What is the purpose of the condition in this code?

Accepted Answer

To determine whether the loop should continue executing

Answer

To assign a value to the variable condition

Answer

To compare two values and return a boolean result

Answer

To terminate the loop immediately

Question 38

Which of the following is a potential limitation of problem-solving techniques?

Accepted Answer

They are not universally applicable to all problem types

Answer

They require a substantial amount of time and effort to implement

Answer

They are exclusively applicable to computational problems

Answer

They always lead to incorrect solutions

Question 39

Consider the following algorithm: 1. Start 2. Input two numbers 3. Add the numbers 4. Print the result 5. End. Which problem-solving technique is primarily employed in this algorithm?

Accepted Answer

Decomposition

Answer

Abstraction

Answer

Recursion

Answer

Pattern recognition

Question 40

Which of the following is a defining characteristic of a well-defined problem?

Accepted Answer

It has a clear and unambiguous goal

Answer

It has only one possible solution

Answer

It requires no background knowledge or understanding

Answer

It is always easy to solve

Question 41

In the context of problem-solving, what is the term used to describe a proposed solution that is subject to testing and refinement?

Accepted Answer

Hypothesis

Answer

Theory

Answer

Law

Answer

Theorem