Coding for Beginners: Learn the Basics of Programming

Question 1

In coding, what's the key difference between a variable and a constant?

Accepted Answer

A variable can change its value, unlike a constant.

Answer

A constant can change its value, but a variable cannot.

Question 2

What is the main reason for using loops in programming?

Accepted Answer

To repeat a set of instructions multiple times

Answer

To store a lot of information in a small space

Answer

To get information from the user and respond to it

Question 3

In coding, which part of the code allows you to make your program behave differently based on a specific condition?

Accepted Answer

Conditional Statements

Answer

Variables

Answer

Loops

Answer

Functions

Question 4

To store information about a person's name, age, and favorite color, which data types should you use for each variable?

Accepted Answer

Name: string; Age: integer; Favorite color: string

Answer

Name: integer; Age: string; Favorite color: integer

Answer

Name: string; Age: float; Favorite color: string

Question 5

When this code is run, what will be displayed on the screen? `for (i = 0; i < 5; i++) { console.log(i); }`

Accepted Answer

The numbers 0 to 4 will be printed, each on a separate line.

Answer

The number 5 will be printed 5 times.

Answer

Nothing will be printed.

Question 6

Which of the following is NOT a basic data type in Python?

Accepted Answer

List

Answer

Integer

Answer

String

Answer

Boolean

Question 7

When using code to automate tasks and make decisions, which ethical consideration is most important?

Accepted Answer

Respecting user privacy and data protection.

Answer

Ensuring the code is efficient and runs quickly.

Answer

Making sure the code is documented and easy to understand.

Question 8

Which step is not part of debugging a program?

Accepted Answer

Ignoring the error

Answer

Finding the error

Answer

Correcting the error

Answer

Retesting the program to confirm the error is fixed

Question 9

Which type of programming language is executed one line at a time?

Accepted Answer

Interpreted

Answer

Compiled

Answer

Machine

Question 10

What is the main purpose of an algorithm?

Accepted Answer

Giving a computer clear instructions to follow.

Answer

Designing websites that look good.

Answer

Fixing problems in computer programs.

Question 11

How can coding be harnessed to make a positive impact on the world?

Accepted Answer

Create educational games that make learning enjoyable and engaging.

Accepted Answer

Develop medical devices that enhance healthcare outcomes.

Accepted Answer

Establish social media platforms that foster global connections.

Answer

Coding is solely limited to creating video games and entertainment software.

Question 12

In coding, what is the purpose of conditionals? Provide an example of how to use a conditional in a code snippet.

Accepted Answer

Conditionals allow programs to make decisions based on input or data, executing different code blocks accordingly.

Answer

Conditionals store data and variables in memory.

Answer

Conditionals repeat a code block a specific number of times.

Answer

Conditionals define functions and procedures.

Question 13

In programming, what's the key difference between a variable and a data type?

Accepted Answer

A variable holds data, while a data type defines the type of data it can hold.

Answer

A variable is a specific value, while a data type is a broader category of values.

Answer

A data type holds data, while a variable defines the type of data it can hold.

Question 14

How can coding be used to tackle significant global challenges like poverty, healthcare, or education?

Accepted Answer

Coding can create educational tools to enhance learning opportunities.

Accepted Answer

Coding can advance medical technology to improve healthcare.

Accepted Answer

Coding can address global issues like poverty and inequality.

Answer

Coding is limited to creating video games.

Question 15

Question: A program written in a high-level language can be run on any computer with the correct interpreter installed. True or False?

Accepted Answer

True. An interpreter translates the program into machine code line by line, making it compatible with any computer.

Answer

False. A high-level language program must be compiled into machine code before it can run on any computer.

Answer

False. A high-level language program can only run on computers with the correct **compiler** installed.

Question 16

Which of the following is NOT a type of software testing technique?

Accepted Answer

Code refactoring

Answer

Unit testing

Answer

Regression testing

Answer

Performance testing

Question 17

Which of the following lines of code will print "Hello World" to the console using Python?

Accepted Answer

print("Hello World")

Answer

echo("Hello World")

Answer

display("Hello World")

Answer

cout << "Hello World" <<

Question 18

What is the main use of a variable in programming?

Accepted Answer

To store data temporarily

Answer

To run code

Answer

To define functions

Answer

To create loops

Question 19

In Python, which data type is specifically designed to store whole numbers?

Accepted Answer

Integer

Answer

Float

Answer

String

Answer

Boolean

Question 20

What is the difference between a loop and a conditional statement?

Accepted Answer

A loop repeats code a specific number of times, while a conditional statement only executes code when a specific condition is met.

Answer

A conditional statement repeats code a specific number of times, while a loop only executes code when a specific condition is met.

Answer

Loops and conditional statements do the same thing.

Answer

There is no difference between a loop and a conditional statement.

Question 21

What is the main purpose of a function in programming?

Accepted Answer

To organize code into reusable blocks

Answer

To store data

Answer

To execute loops

Answer

To create variables

Question 22

Which of the following is a valid variable name in Python?

Accepted Answer

my_variable

Answer

123abc

Answer

my variable

Answer

True

Question 23

What is the purpose of the "while" loop in Python?

Accepted Answer

To execute code as long as a certain condition is met

Answer

To execute code a specified number of times

Answer

To create a list

Answer

To store data

Question 24

What does the term 'debugging' refer to in programming?

Accepted Answer

The process of identifying and resolving errors within a program

Answer

The process of writing a program

Answer

The process of testing a program

Answer

The process of documenting a program

Question 25

What is the difference between a syntax error and a runtime error in programming?

Accepted Answer

A syntax error occurs during compilation, while a runtime error occurs during program execution.

Answer

A runtime error occurs during compilation, while a syntax error occurs during program execution.

Answer

Syntax errors are more severe than runtime errors.

Answer

Runtime errors are more severe than syntax errors.

Question 26

Which of the following is NOT a fundamental data type in most programming languages?

Accepted Answer

Function

Answer

String

Answer

Number

Answer

Boolean

Question 27

What is the purpose of a variable in programming?

Accepted Answer

To store information that can change during the execution of a program.

Answer

To represent a specific action or operation.

Answer

To define a condition that affects the flow of a program.

Answer

To organize code into smaller, more manageable units.

Question 28

What is the main purpose of using loops in programming?

Accepted Answer

To execute a set of instructions repeatedly until a specified condition is met.

Answer

To store and manage collections of data efficiently.

Answer

To perform complex mathematical calculations.

Answer

To control the flow of a program based on user input.

Question 29

Which of the following best describes a condition in programming?

Accepted Answer

A statement that evaluates to either true or false, influencing the execution flow.

Answer

A type of data structure used to store and organize information.

Answer

A keyword that signals the start of a loop or conditional statement.

Answer

A function that returns a specific value based on input parameters.

Question 30

What is the primary distinction between a function and a procedure in programming?

Accepted Answer

Functions always return a value, while procedures do not.

Answer

Procedures always return a value, while functions do not.

Answer

Functions and procedures are essentially the same concept, with no significant difference.

Answer

There is no distinction between functions and procedures in modern programming languages.

Question 31

What is the primary benefit of utilizing libraries in programming?

Accepted Answer

They provide reusable code modules, promoting code organization and efficiency.

Answer

They enable the creation of new data types tailored to specific requirements.

Answer

They simplify complex mathematical operations, reducing the need for manual calculations.

Answer

They assist in debugging programs by identifying and resolving potential errors.

Question 32

Which of these is NOT a fundamental data type in programming?

Accepted Answer

Arrays

Answer

Numbers

Answer

Text

Answer

True/False values

Question 33

What does the 'print()' function do in Python?

Accepted Answer

Shows text on the screen

Answer

Stores data in a variable

Answer

Controls the program's flow

Answer

Performs math calculations

Question 34

Which symbol compares two values in Python?

Accepted Answer

==

Answer

>

Answer

<

Answer

=

Question 35

Which of these is NOT a basic data type in programming?

Accepted Answer

Functions

Answer

Numbers

Answer

Text

Answer

True/False values

Question 36

In programming, what's the reason we use variables?

Accepted Answer

To hold information

Answer

To do math

Answer

To present info

Answer

To guide how a program runs

Question 37

Which option is the operator for comparing two values?

Accepted Answer

==

Answer

+

Answer

-

Answer

*

Question 38

What's the main purpose of a debugging tool?

Accepted Answer

To find and fix issues within code

Answer

To make code more efficient

Answer

To produce instructions

Answer

To test code

Question 39

In programming, what does an algorithm do?

Accepted Answer

Provides step-by-step instructions for solving an issue

Answer

Holds data

Answer

Makes calculations

Answer

Manages the flow of a program

Question 40

What's the role of a compiler?

Accepted Answer

Converts code into machine language

Answer

Executes code

Answer

Debugs code

Answer

Tests code

Question 41

Which data structure is best suited to store employee hourly rates and hours worked?

Accepted Answer

Dictionary

Answer

List

Answer

Tuple

Question 42

How do programmers make a difference in our world?

Accepted Answer

They create technology that solves problems and improves our lives.

Answer

They fix problems in computer programs.

Answer

They teach others how to code.

Answer

They make money for their companies.

Question 43

Why do programmers use conditions in their code?

Accepted Answer

To decide what happens next in the program based on certain conditions

Answer

To display information on the screen

Answer

To save data in the program

Question 44

What is the most important initial step when coding a program?

Accepted Answer

Identify the problem you are trying to solve

Answer

Write the lines of code

Answer

Test the program to find any errors

Answer

Compile the code to make it run

Question 45

In coding, what's the main reason to use a loop?

Accepted Answer

To repeat a set of steps over and over.

Answer

To store information in a table.

Answer

To test if something is true or not.

Answer

To make new functions and procedures.

Question 46

Imagine you're creating a recipe using a computer program. What is a 'variable' and how does it help you build the recipe?

Accepted Answer

A variable is like a special box with a name. You can store information you need for your recipe, like the amount of flour or sugar.

Answer

A variable is a set of instructions that tells the computer what to do with the information you give it.

Answer

A variable makes sure the computer uses the same information throughout the program.

Question 47

Functions help us organize and reuse code in programming. What are two main benefits of using functions?

Accepted Answer

Organize code into logical units for easier reading and editing

Accepted Answer

Reuse code in different parts of a program without rewriting it

Answer

Always make code run faster

Answer

Not useful in coding

Question 48

Which of the following is NOT a basic data type in programming?

Accepted Answer

Array

Answer

Integer

Answer

Boolean

Answer

String

Question 49

What symbol marks the beginning of a comment in Python?

Accepted Answer

#

Answer

//

Answer

/*

Answer

<!--

Question 50

What is the primary purpose of a variable in programming?

Accepted Answer

To store information

Answer

To perform calculations

Answer

To control program flow

Answer

To print output

Question 51

Which of the following is a valid Python expression?

Accepted Answer

x = 5 + 3

Answer

5 + 3 = x

Answer

x + 5 = 3

Answer

x = 5 + "3"

Question 52

What is the main difference between a function and a procedure in programming?

Accepted Answer

Functions return a value, while procedures do not

Answer

Procedures return a value, while functions do not

Answer

They have no difference

Answer

Functions can be recursive, while procedures cannot

Question 53

What is the primary function of a compiler in programming?

Accepted Answer

To convert source code into machine code

Answer

To execute the program

Answer

To debug the program

Answer

To test the program

Question 54

In Python, how do you declare a variable with the value 'myValue'?

Accepted Answer

myValue = 'myValue'

Answer

var myValue = 'myValue'

Answer

let myValue = 'myValue'

Answer

const myValue = 'myValue'

Question 55

What is the main purpose of using a loop in coding?

Accepted Answer

To execute a block of code repeatedly

Answer

To store information

Answer

To display output

Answer

To check for conditions

Question 56

Which of the following is NOT a data type available in Python?

Accepted Answer

Image

Answer

Integer

Answer

String

Answer

Boolean

Question 57

How is a variable different from a constant?

Accepted Answer

Variables can be changed, while constants cannot

Answer

Constants can be changed, while variables cannot

Answer

They are not different

Answer

Variables are numbers, while constants are strings

Question 58

Which symbol is used in Python to check if two values are equal?

Accepted Answer

==

Answer

+

Answer

-

Answer

/

Question 59

What will be the output of this Python code: print('Hello' + 'World')?

Accepted Answer

HelloWorld

Answer

Hello

Answer

World

Answer

None

Question 60

Which of these is the correct way to define a function in Python?

Accepted Answer

def my_function():

Answer

function my_function():

Answer

my_function = def():

Answer

my_function()

Question 61

What is the 'import' statement used for in Python?

Accepted Answer

To include additional functionality from libraries or modules

Answer

To create a new function

Answer

To define a variable

Answer

To print information

Question 62

What is the difference between a compiler and an interpreter?

Accepted Answer

A compiler converts code into machine language all at once, while an interpreter does it line by line

Answer

An interpreter converts code into machine language all at once, while a compiler does it line by line

Answer

There is no difference between a compiler and an interpreter

Answer

Compilers are used for high-level languages, while interpreters are used for low-level languages

Question 63

What will be the output of the following Python code:

print(abs(-5))

Accepted Answer

5

Answer

-5

Answer

0

Answer

Error

Question 64

What is the purpose of an if statement in programming?

Accepted Answer

To execute code only if a condition is met

Answer

To repeat a block of code

Answer

To store data

Answer

To print output