IT Essential Knowledge - Properly Learning System Analysis and Design

Python with easy and intuitive grammar! Learn Python, a renowned introductory programming language, from the basics to practice! In this course, you will learn GUI programming using tkinter.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

This course is a practical-focused program that covers the comprehensive utilization of **Google Sheets, the most widely used spreadsheet program in the world**. Starting with basic functions such as fundamental input, formatting, and cell management that even first-time users can easily follow, the course progressively advances to professional features including advanced function utilization, data analysis and visualization, conditional formatting, and pivot tables through step-by-step learning. Additionally, by focusing intensively on Google Sheets' unique strengths of real-time collaboration tools and cloud-based sharing features, learners can experience an efficient work environment where multiple people can simultaneously create, edit, and review documents. Through this course, learners can go beyond simple spreadsheet usage to simultaneously strengthen their data-driven decision-making abilities and collaboration capabilities, significantly improving work productivity.

This course is a hands-on lecture that covers learning the basic usage of the Cursor AI artificial intelligence tool and applying it to actual website development. Learners will understand AI-based development environments and experience code writing and automation features using Cursor. The course is structured not just to learn the tool's functions, but to develop practical skills through actual website development projects. Additionally, the course covers basic elements frequently used in website development such as HTML, CSS, and JavaScript, along with efficient development methods utilizing AI assistance features, making it easy for beginners to follow along. Upon completing this course, learners will gain the ability to quickly implement ideas and complete websites using Cursor AI, which will serve as a great first step in adapting to modern development environments.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

This course teaches you how to write safe and reliable code in the software development process. Rather than simply stopping at feature implementation, you'll learn programming principles and techniques that can prevent security vulnerabilities and ensure stability. Through hands-on practice and case studies, you can understand security threats that may occur in real development environments and acquire safe coding techniques such as coding rules, input validation, exception handling, and memory management to prevent them. By taking this course, developers will enhance the completeness of their code while gaining practical capabilities to develop software with security and reliability.

Python with easy and intuitive grammar! Learn Python, which is famous as an introductory programming language, from the basics to practice! In this course, you will learn data structures (stacks, queues, tuples, sets, dictionaries, strings, collections module).

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this lecture, you will learn about data sorting, filters, and advanced part features such as DB relationships and rollup functions.

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this course, you will learn about the concept of table properties and practice, how to use the Notion database, and how to build a DB.

This course will teach you how to create an EPUB format e-book using Sigil and learn various techniques required for creating e-books.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this course, you will learn about database concepts and related terms (tables, rows, columns, etc.), as well as the basic usage of the Notion database.

This is a hands-on course where you'll build an AI-based autonomous driving car using Raspberry Pi and various sensors.

In this course, you will learn how to use basic commands for 2D drawings in AutoCAD 2022.

We will explain the overall concept and method of working with 3D graphics using Blender.

"This is a course for learning the overall usage of Notion, an all-in-one productivity tool that enables efficient management of work and life in a Mac environment. You can learn step-by-step from Notion's basic functions to databases, automation, AI utilization, and practical template creation, acquiring work and self-management methods optimized for Mac users. Through a hands-on curriculum, you can increase productivity in both daily life and work."

This is an intermediate course that teaches you about JavaScript and jQuery through theory and practice. It consists of content that can be applied to practical work based on basic concepts of HTML, CSS, and JS. Part.2 covers styles, properties, events, position and size, and animation.

This course is a learning process that involves studying the fundamental theories of data structures by directly implementing them through JAVA programming. Rather than simply learning theory, it is structured to enable a deeper understanding of data structure principles by implementing them with actual code. Learners will theoretically learn core data structure concepts such as arrays, stacks, queues, lists, trees, and graphs, while simultaneously implementing them in JAVA code to experience their actual operation processes. Through this approach, rather than rote memorization, learners can develop logical thinking skills and problem-solving abilities, enjoying the synergistic effect of learning programming and data structures together. 👉 Upon completing this course, learners will master the basic concepts and structural characteristics of data structures, as well as the ability to implement and apply them in actual development environments, establishing a foundation for designing more efficient and robust programs.

Learn cache strategies that can be utilized in large-scale systems by building them directly with Spring Boot. Understand problem situations like Cache Penetration, Cache Stampede, and Hot Key, and implement resolution strategies.

# Silicon Valley Internship That Won't Get Cut Even in the AI Era & Complete Course on 30 Big Tech System Designs & Open Source Practical Contributions All students who submit course missions can apply for an AI startup internship in Palo Alto, USA, with exemption from document screening and guaranteed interview opportunities. This course involves designing and scaling 30 real-world system designs based on big tech cases including Netflix, Tesla, Meta, and Tinder. Finally, you'll design your own service from architecture → DB → scaling, contribute to an actively operating open source AI coding agent project (achieving 1.8k downloads per week) to complete your portfolio, and finalize your resume.

In the software system design course taught by Silicon Valley engineers, you will learn the design principles and architectural patterns of large-scale systems and how to build stable and scalable software solutions. In addition, you will cover performance optimization and fault response strategies through practical cases.

Beyond basics like API design, CRUD implementation, and JWT authentication, all the way to backend architecture design! This is an introductory system design course to help you build 'your own backend architecture' that you can confidently discuss in interviews.