Question 1

What can be used to represent the states TRUE and FALSE in programming?

Accepted Answer

1 and 0

Answer

On and Off

Answer

True and False

Answer

Yes and No

Question 2

Which Boolean operator requires both conditions to be true for a true result?

Accepted Answer

AND

Answer

XOR

Answer

OR

Answer

NOT

Question 3

What type of compression is less likely to be used for text?

Accepted Answer

Lossy compression

Answer

Data compression

Answer

File compression

Answer

Lossless compression

Question 4

Which of the following is NOT a type of logic gate?

Accepted Answer

NAND gate

Answer

OR gate

Answer

NOT gate

Answer

AND gate

Question 5

What is an algorithm?

Accepted Answer

A sequence of instructions to achieve a goal.

Answer

A data storage model

Answer

A programming language

Answer

A type of computer virus

Question 6

What term is used to describe breaking down a problem into smaller components?

Accepted Answer

Decomposition

Answer

Abstraction

Answer

Compression

Answer

Algorithm

Question 7

In ASCII, how many bits are typically required to store a character?

Accepted Answer

8 bits

Answer

12 bits

Answer

4 bits

Answer

16 bits

Question 8

Which of the following best describes abstraction in computer science?

Accepted Answer

Removing unnecessary details from a model or representation.

Answer

Adding more details to a model

Answer

Creating algorithms for processing

Answer

Converting data to binary

Question 9

What is the main reason for using compression in data transmission?

Accepted Answer

To reduce the amount of data that needs to be sent over a network.

Answer

To enhance the quality of the data

Answer

To eliminate the need for data storage

Answer

To make data retrieval faster

Question 10

Which of the following is NOT a common Boolean operator?

Accepted Answer

AND NOT

Answer

NOT

Answer

AND

Answer

OR

Question 11

What is an algorithm?

Accepted Answer

A sequence of instructions to achieve a specific goal.

Answer

A type of computer hardware

Answer

A programming language

Answer

A method of data storage

Question 12

What do logic gates in a computer represent?

Accepted Answer

Boolean operations like AND, OR, NOT

Answer

Graphical user interface elements

Answer

Networking protocols

Answer

Physical components of a computer

Question 13

How can repetition in algorithms be implemented most efficiently?

Accepted Answer

Using loops

Answer

By using conditional statements

Answer

By writing each instruction multiple times

Answer

By creating functions

Question 14

What is the main difference between lossy and lossless compression?

Accepted Answer

Lossy compression reduces file size by removing some data, while lossless compression retains all data.

Answer

Lossy is cheaper than lossless

Answer

Lossy compression is faster than lossless

Answer

Lossy is for images, lossless is for text

Question 15

What does the term 'abstraction' refer to in computational thinking?

Accepted Answer

The process of removing unnecessary details to simplify a problem.

Answer

The representation of data in a complicated form

Answer

The act of copying data

Answer

The storage of all available data

Question 16

In the context of networks, what are nodes and edges?

Accepted Answer

Nodes represent points, and edges represent connections between them.

Answer

They describe different algorithms

Answer

They refer to types of data

Answer

They are terms for storage devices

Question 17

What is the purpose of a truth table?

Accepted Answer

To show the relationship between inputs and outputs of logic gates.

Answer

To calculate the efficiency of an algorithm

Answer

To summarize results of an experiment

Answer

To create a visual representation of data

Question 18

What is decomposition in computational thinking?

Accepted Answer

Breaking down complex problems into smaller, manageable parts.

Answer

Ignoring smaller issues

Answer

Combining multiple problems into one

Answer

Writing code without a plan

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