Computer Science Concepts Quiz

What is an algorithm?

• A type of computer hardware

• A set of rules or steps used to solve a problem

• A programming language

• A type of data storage

What is a data structure?

• A method of encrypting data

• A particular way of organizing data in a computer

• A type of software application

• A computer network

What happens to the old value in a variable when a new value is assigned?

• It is stored alongside the new value.

• It is overwritten.

• It is deleted permanently.

• It is saved in a backup variable.

What is a collection in programming?

• A single value stored in a variable

• A group of values stored in a single variable

• A function that performs calculations

• A type of error in code

Why is a collection useful in programming?

• It allows for faster calculations

• It helps in storing a single value

• It allows carrying many values in one package

• It reduces the size of the code

What are list constants in Python surrounded by?

• Parentheses

• Curly braces

• Square brackets

• Angle brackets

How are elements in a Python list separated?

• Semicolons

• Commas

• Colons

• Spaces

Can a list element in Python be another list?

• Yes

• No

• Only if it is empty

• Only if it contains numbers

What will the output be for the following Python code: print([])?

• None

• 0

• []

• Error

What does it mean when we say that strings are "immutable"?

• A) We can change the contents of a string directly.

• B) We must create a new string to make any changes.

• C) Strings can be modified using the index operator.

• D) Strings are automatically updated.