Want to Be a Programmer Without a Background

In this era, whether you are a student, a university attendee, or someone looking to change careers, becoming a programmer can open doors to many new opportunities. The profession of programming is one that is increasingly in demand. However, for those without a background in this field, it can feel daunting and uncertain about where to start. This article will provide guidance and methods for beginning to learn programming, even without prior knowledge.

Becoming a programmer is possible, given a commitment to learning. Starting with understanding the fundamentals of programming by choosing a suitable programming language is important, such as Python, which is simple and beginner-friendly. Utilizing a variety of online resources, such as online courses, instructional videos, and lessons from different websites, will allow you to learn at your own pace. Regular practice is key to developing your skills.

Joining communities of developers, such as forums or social media groups, will enable you to receive guidance and inspiration from experienced individuals. As you gain more confidence, creating personal projects will help you apply the knowledge you've gained and develop problem-solving skills. Programming involves instructing machines on how to operate, so understanding how it works and what it can do is crucial. Knowledge in this area will help you use programs effectively.

The path to becoming a programmer may have obstacles, but once you can overcome them, you will find success and new opportunities awaiting you. Remember that determination and intention will lead you to your desired goals.

Understanding the Basics Before Starting to Learn

1. Understanding How the CPU Works

The CPU, or Central Processing Unit, is the most crucial part of a computer. It acts like the brain that thinks and processes everything according to the commands we give. Whether it's calculations, opening applications, or managing data, the CPU works by receiving instructions and data, processing that data, and returning results to us.

2. Where is Data Stored During Operations and Processing?

Many people may have heard of RAM (Random Access Memory), which can be compared to our workspace. When working, we need space to place documents or tools for quick access. Items on this "desk" can be accessed very quickly, but when we are not using the computer or when it is turned off, that data disappears. RAM functions similarly by allowing the computer to quickly access the information necessary for current tasks, such as data being processed or calculations underway.

3. If You Want to Store Data Long-Term

If RAM is likened to a workspace, storage is like a filing cabinet. Storage is where all data is kept and does not disappear when the computer is turned off, whether it’s document files, images, or various programs. It can store data permanently and be accessed whenever needed. However, accessing data from a filing cabinet takes longer than grabbing it from a desk. Therefore, it is necessary to separate the data that needs to be kept in storage, such as SSDs or hard drives, to store information efficiently.

4. Understanding How Digital Systems Work

In a world full of digital systems, everything on the computer is converted into 0s and 1s, or bits. Digital systems work by converting various data into a language the computer can understand (binary), allowing the CPU to read and process it. Text, images, or sounds are all transformed into numerical values in binary form so the computer can understand and work with that data.

These are the fundamental concepts necessary to operate in the digital world, as they are the foundation of everything related to using computers. Digital systems enable us to encode, store, transmit, and process data quickly and accurately, with the CPU and data storage in RAM and storage being the primary tools. Our computers can perform complex tasks, from coding to creating animated films. Therefore, before we start learning programming and exploring the various levels of software development, we need to have a deep understanding of computers, beginning with RAM, storage, CPU, and how digital systems operate. This foundational knowledge will help us better understand how programs work and software development. Having this basic understanding will prepare us for learning programming skills and advancing in software development. We will be able to comprehend why certain code runs faster or slower and begin to see the big picture of what factors must be considered in designing programs or systems to ensure everything works together efficiently and seamlessly.

Basic Knowledge

1. Programming Language Syntax

Learning syntax is like learning a new language to communicate with computers, similar to learning English to communicate with people around the world. If one does not understand the meaning of words like “if,” which means “conditional,” or “for,” meaning “for” in the context of coding, it becomes impossible to create a program that works as intended. Just as in language learning, understanding syntax, structure, and how to write commands will help create accurate instructions to tell the computer what to do. “Because if incorrect commands or data are inputted, incorrect results will be returned.” It shows that a computer primarily operates on a digital system with modules and components that help analyze and store data, indicating that what computers do best is “follow the given instructions.” If you want the computer to calculate VAT but input the formula or command incorrectly, the results will also be incorrect. For example, inputting a wrong command, like forgetting the multiplication symbol or entering the wrong number, can yield undesired results. This is why it’s essential to pay attention to the details of structures and commands. One should choose to become proficient in one programming language from the start to become familiar with the language and how to instruct the computer, whether it’s Python, suitable for beginners, JavaScript for web development, or Java for various applications. Time should be spent studying and practicing that language until one feels confident. Once proficient, learning other languages will become easier, as the fundamental principles of programming are similar.

2. Basic Data Structures

Data structures are akin to how we organize books in a library. If we store books everywhere without organization, we may not find the book we need, or it might take forever to locate it. Basic knowledge of data structures will greatly aid our work. For instance, Arrays or Lists are like having shelves in a kitchen where we can neatly arrange ingredients. When we need flour, we know exactly where to find it without rummaging through the whole room. Using appropriate data structures makes searching, updating, or managing our data much more efficient. Think of it as having an orderly kitchen, which is one of the key reasons behind the question, “Why are some programs faster than others, even though they are the same type of program?” It’s due to the differing data structures.

3. Control Flow

For computers to operate more efficiently than humans, critical factors include conditional operations and loops. Whether developing games, websites, or various types of software, understanding these concepts is essential. Let’s look at these important points!
3.1) Loops
Imagine preparing food for a party that requires chopping 10 vegetables. If you choose to chop them one by one and remind yourself each time, it can feel tedious. However, using a loop allows you to say, “Chop this vegetable and repeat until you have chopped 10.” This simplifies the process significantly!

3.2) Conditional Statements

Suppose you’re at a party and need to serve drinks based on the guests' ages. If a guest is over 20 years old, you serve wine; if 20 or younger, you serve soda. This is an example of using conditional statements to aid decision-making in programming, from login systems requiring correct usernames and passwords to machinery operations in factories.
3.3) Functions

Functions can be likened to recipes in a cookbook. When cooking, instead of rewriting the recipe each time, you can create a function that ‘calls’ that recipe whenever you need it. For instance, creating a function that includes all ingredients or steps allows you to simply call this function whenever needed, making it easier without having to write out the details repeatedly.
 

Learning and using loops, conditional statements, and functions will enhance programming efficiency and make the code cleaner and easier to understand!

4. Error Handling

Error handling is about learning how to deal with unexpected situations in programming because nothing in this world is perfect. Understanding how to handle errors will help solve problems and make the program more stable.
 

Debugging can be compared to the work of a detective, who must find the cause of the errors that arise. Various tools can be used to check and analyze where the error occurs.

Error handling and debugging are crucial parts of being a software developer. It’s like having tools that help “taste” and “refine” a recipe before releasing it to users. Therefore, don’t be afraid of encountering failures or errors, because every time you can fix them, it means you’ve learned and progressed on your programming development journey!

How to Train Yourself to Be a Programmer

Becoming a programmer may seem like a challenge, but with commitment and a clear approach, you can effectively develop your skills. Here’s how you can do it:

1. Choose a Platform of Interest

Start by exploring platforms or technologies that interest you before deciding on a programming language. Choosing a platform you like will inspire you to learn and help you understand the overall development of programs more deeply.

2. Set Development Goals

Once you have chosen a platform, try asking questions about that technology, such as "How does it meet user needs?" or "What are its strengths and weaknesses?" Then, set a goal by asking, "How can it be improved?" Setting goals will provide you with a clear direction for learning and developing programs.

3. Study and Choose the Right Tools

After gaining an understanding of the platform, the next step is to study and choose the programming language that is suitable for your tasks, along with tools that assist in development, such as databases and other tools. When selecting a language, consider your preferences, strengths, and market demand.

4. Practice Regularly

The most important qualities of a programmer are 'diligence,' 'patience,' and 'effort.' It’s inevitable that coding will involve errors. Facing these errors will help you learn and improve your problem-solving skills. Therefore, continuous practice is essential for your personal development.

Starting to learn to become a programmer, even without prior knowledge, is entirely possible. With determination and an understanding of the fundamentals of programming, you can confidently step into this world. Begin by choosing a suitable programming language and utilizing online resources for study. Additionally, joining a community of developers will provide you with inspiration and new ideas. Understanding data structures and control flow will enable you to write more efficient code, as well as learning error handling to ensure your programs run smoothly. Remember that effort and practice are the keys to success. If you want to embark on this journey with confidence, you can join programming courses at Superdev School, which offers programs specifically designed for beginners, along with a team of experts to support you throughout your learning process. This will create new opportunities for work and personal development!

ref : https://www.lemon8-app.com/@nakdev_studio/7282729059522511361?region=th , https://noob-studio.github.io/how-to-be-programmer