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Programming

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Programming Language

A Quick Overview of C Language

You can quickly understand C language's basic concepts and grammar.

19 learners are taking this course

Level Beginner

Course period Unlimited

  • arigaram
C언어
C언어
c언어
c언어
C
C
Embedded
Embedded
C언어
C언어
c언어
c언어
C
C
Embedded
Embedded

What you will gain after the course

  • Variable, Data Type, Standard I/O, Basic Operators, Conditional Statements, Loops

  • array, string, function, pointer, struct, file I/O

🧭Important Notes

The course is currently being completed. Please note that you may need to wait a considerable amount of time until the course is fully finished (though updates will be added regularly). Please consider this when making your purchase decision.

📋Change History

  • 2025.09.20

    • I've converted the first completed course to preview (free preview) mode and revised the table of contents to enhance it with various new sections and lessons. The goal is to provide richer information to existing paid subscribers while allowing those who want to try learning C language to quickly browse through the preview lectures and grasp an overview of C language. Existing paid subscribers can also start with the lectures marked as 'Preview' if they want to quickly skim through an overview of C language.

🎯Course Introduction

The C language is an important foundational language for computer programming, widely used in various fields such as system software, games, embedded systems, and operating system development. This course is designed for learners who are new to the C language and focuses on understanding basic concepts and syntax.

🎯Course Objectives

This course aims to help you quickly understand and memorize the basic concepts and fundamental syntax of the C language. You can learn various topics ranging from basic content such as declaring variables and performing operations, to control structures using conditional statements and loops, efficient programming using functions and pointers, and file input/output.

🎯Teaching Method

Example of lecture screen: Provides in-depth explanations of the technical background of coding.

Example of lecture screen: We explain in detail the relationship between technical background knowledge and code.

Example of lecture screen: Explains technical background knowledge and code usage cases in connection with the program flow.

🎯Course Structure

The course consists of a total of 7 sections, with each section designed to explain core concepts and maximize learning effectiveness through hands-on practice.

🔹 Section 1: C Language Overview

The C language is a high-level programming language with low-level characteristics close to hardware, maintaining a close relationship with computer systems. In this section, you will learn the fundamental concepts of the C language and build a foundation in computer programming. C language serves as the basis for other programming languages and is widely used in developing operating systems, system software, and various applications. By setting up a development environment and writing your first C program, you can experience the appeal of the C language. Through this, you will develop a deep understanding of how the C language interacts with computers.

🔹 Section 2: Basic Grammar

Understanding the basic syntax of C language is the first step in building a foundation for programming. In this section, you will learn about variables and data types, as well as the input/output functions printf and scanf, and acquire the skills to write basic programs. Variables are the fundamental units for storing data, and the type of values stored varies depending on the data type. The input/output methods using printf and scanf are crucial parts of C language, where you learn how users input data and how programs output results. This section lays an important foundation for understanding C language syntax and developing the ability to perform basic calculations and process data.

🔹Section 3: Operators and Control Statements

A program is a process of handling data and controlling flow based on conditions. This section covers various operators and control statements in the C language. Operators are used to calculate or compare data, while conditional statements and loops control the program's flow. You can use conditional statements like if, else, and switch to perform actions based on specific conditions, and automate repetitive tasks through for, while, and do-while loops. Understanding operators and control statements well allows you to learn essential programming techniques for solving complex problems.

🔹 Section 4: Arrays and Strings

Arrays and strings are important data structures for efficiently managing and processing multiple pieces of data. In this section, you will learn how to store and process multiple data items using arrays, and also learn how to handle strings. Arrays can store data of the same type consecutively, and strings are processed as collections of characters. Arrays and strings are essential structures used in various programs and are very useful when the size of data grows. Through this section, you can develop the ability to efficiently store and handle data.

🔹Section 5: Functions

Functions play a crucial role in writing and maintaining programs efficiently. In this section, you will learn the basic usage of functions, including function declaration, invocation, parameter passing, and return value handling. Functions help modularize programs, increasing code reusability and reducing code length significantly. By dividing complex tasks into multiple functions, programs become more structured and easier to understand. Mastering function usage will enable you to write cleaner and more efficient code when developing larger programs.

🔹Section 6: Pointer Basics

Pointers are an important concept in the C language, serving as variables that store the memory addresses of other variables. In this section, you will learn the basic concepts and usage methods of pointers. Using pointers allows you to directly modify variable values or efficiently handle complex data structures such as arrays. Since pointers are a crucial element in the C language, it is essential to properly understand and use them.

🔹 Section 7: Structures and File I/O

In C language, structures are an important data structure used to group different data types into a single unit. In this section, you will learn how to define and utilize structures, and master methods for handling complex data structures. Additionally, you will learn how to save data to files or load data from files through file input/output. Techniques for handling files using functions such as fopen, fprintf, and fscanf are very useful when permanently storing or managing data in programs. Through this section, you will be able to improve program efficiency and write practically usable code.

🎯What will you achieve after completing the course?

After completing this course, you will have learned the basic syntax of C language and will be able to write simple programs on your own. Additionally, you will have built a solid foundation for advanced programming using C language or learning other programming languages. Now let's embark on the journey into the world of C language together!

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Who is this course right for?

  • First-time C language learner

  • Person who wants to solidify programming basics

  • Developer targeting C-language fields like embedded and system programming

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Curriculum

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83 lectures ∙ (21hr 13min)

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