This course helps the learner to learn basic Ruby programming using execution sheets and flow charts.

ruby.tar.gz

ruby

Ruby programming, a sought-after language, is known for its simplicity and readability. This course is designed for beginners and comprehensively introduces Ruby, focusing on mastering fundamental programming concepts through problem-solving techniques.

You will begin with foundational topics like systematic problem-solving and simple program development, then advance to learning decision-making, loops, strings, and arrays in Ruby. You’ll use practical exercises, quizzes, and hands-on coding challenges to strengthen your skills and build a robust understanding of Ruby programming.

After completing this course, you’ll possess valuable, in-demand skills that can significantly boost your career opportunities in the tech industry.

Learn to Code: Ruby for Absolute Beginners

Measuring the stones in pairs, 1 on each side of the balance. Maximum 4 cycles.

Measuring by putting 2 stones on each side of the balance. Maximum 3 cycles.

Measuring by putting 3 stones on each side of the balance. Maximum 2 cycles.


Measuring by putting 4 stones on each side of the balance. Maximum 3 cycles.


Let’s start with a real-world problem: 
 
<img src="/api/collection/10370001/6378889137094656/page/6615024723558400/image/6552306758975488?page_type=collection_lesson" 
 width="300" />


* We have 9 stones that are visually identical, but 1 of them is slightly heavier.
* We have a beam balance to weigh and analyze the stones.

What is the most efficient way to definitively locate the heavier stone?

>**Note:** A cycle refers to a round of events or actions that repeat.

Let’s start with a real-world problem:
<img src="/api/collection/10370001/6378889137094656/page/6615024723558400/image/6552306758975488?page_type=collection_lesson" 
 width="300" />
<ul>
<li>We have 9 stones that are visually identical, but 1 of them is slightly heavier.</li>
<li>We have a beam balance to weigh and analyze the stones.</li>
</ul>
What is the most efficient way to definitively locate the heavier stone?
<blockquote>
Note: A cycle refers to a round of events or actions that repeat.
</blockquote>

What is the correct order of the four stages of the problem-solving process?


What is the correct order of the four stages of the problem-solving process?

Let’s say we have the annual salary input by the user in the `aSalary` variable. Which of the following is the correct statement to store the monthly salary into the `mSalary` variable?

Let’s say we have the annual salary input by the user in the <code>aSalary</code> variable. Which of the following is the correct statement to store the monthly salary into the <code>mSalary</code> variable?

Write a program. 

Execute that program. 

Test the result. 

Understand the problem.

Write a program. 

Understand the problem. 

Execute that program. 

Test the result.


Write a program. 

Execute that program. 

Understand the problem. 

Test the result.


Understand the problem. 

Write a program. 

Execute that program. 

Test the result.


What is the best analogy of the four stages of the problem-solving process?


What is the best analogy of the four stages of the problem-solving process?

Let’s say we have a Fahrenheit temperature value input by the user in the `tempF` variable. Which of the following is the correct statement to store the Celsius temperature in the `tempC` variable?

The formula for conversion from Celsius to Fahrenheit is 
 `tempF = tempC * 9 / 5 + 32`


Let’s say we have a Fahrenheit temperature value input by the user in the <code>tempF</code> variable. Which of the following is the correct statement to store the Celsius temperature in the <code>tempC</code> variable?
The formula for conversion from Celsius to Fahrenheit is
<code>tempF = tempC * 9 / 5 + 32</code>

Test your knowledge of problem solving with simple programs.

About the Course

Problem Solving with Simple Programs

Decisions and Branching

Ruby Basics

Repetition with Loops

Strings and Arrays

Methods

Appendix - Complex Programs

Wrap Up

Quiz on Problem Solving with Simple Programs