Question 1

Which of the following best defines an algorithm?

Accepted Answer

A step-by-step procedure for solving a problem or accomplishing a task.

Answer

A type of computer hardware.

Answer

A programming language.

Answer

A video game character.

Question 2

Which of the following best defines abstraction in computer science?

Accepted Answer

The process of removing unnecessary details to focus on relevant information.

Answer

The concept of writing code without testing it.

Answer

The act of making something more detailed or precise.

Answer

The practice of repeatedly performing a task until it becomes automatic.

Question 3

What is decomposition in programming?

Accepted Answer

Breaking down a complex problem into smaller, manageable subproblems

Answer

Ignoring problems altogether

Answer

Joining multiple problems into one

Answer

Solving problems randomly

Question 4

What term is used to describe the process of identifying similarities or common features in data?

Accepted Answer

Pattern matching

Answer

Algorithm optimization

Answer

Network analysis

Answer

Data mining

Question 5

When using a flowchart to sequence a set of instructions, what does an arrow represent?

Accepted Answer

The direction of the flow of steps

Answer

The start of the flowchart

Answer

An input/output operation

Answer

A decision point

Question 6

Why is pseudocode useful for solving problems?

Accepted Answer

It allows for easier planning and organization of logic before coding.

Answer

It is a requirement for writing code in certain programming languages.

Answer

It can directly execute algorithms without coding.

Answer

It is mainly used for graphic design purposes.

Question 7

Which of the following is a characteristic of a linear search?

Accepted Answer

It checks each element in order from the start until the desired element is found or until the end of the list is reached.

Answer

It immediately jumps to the middle of the list to begin the search.

Answer

It only works on sorted lists.

Answer

It skips elements randomly while searching.

Question 8

Which of the following is a characteristic of a binary search?

Accepted Answer

The array must be sorted in ascending order.

Answer

It can only work with even numbers.

Answer

The array can be in any random order.

Answer

It can only search for the first element.

Question 9

What is the main benefit of sorting data?

Accepted Answer

To quickly find and access specific information

Answer

To slow down the system

Answer

To create more data

Answer

To confuse users

Question 10

What is the term used for the process of breaking a problem into smaller parts, solving each part separately, and then combining the solutions?

Accepted Answer

Divide and conquer

Answer

Add and subtract

Answer

Copy and paste

Answer

Guess and check

Question 11

What is the purpose of a pass in a bubble sort algorithm?

Accepted Answer

To move the largest element to its correct position

Answer

To skip over certain elements

Answer

To randomize the order of the elements

Answer

To sort the elements in descending order

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