We provide basic theories for choosing a career in VR/AR/MR.

Solve 480 past exam questions from 2015–2026 for the two major subjects of the national 9th-grade computer administration exam (General Computer Science and Information Security) through 20-minute CBTs for each subject. The questions and final answers are exactly as released by the Ministry of Personnel Management. Upon submission, your score and whether you failed a subject immediately appear, and every question includes an explanation.

Learn how office workers can effectively use Claude in their actual work, focusing on key business tools such as Excel, PowerPoint, business writing, and VBA automation. Through hands-on exercises in each chapter, you will learn how to reduce repetitive tasks and increase productivity.

Learn the key features of Illustration CC 2020 to quickly and easily utilize illustrations.

This course is a basic introductory program for learning how to utilize the Raspberry Pi Pico and various sensors. Learners will understand the fundamental functions of the Raspberry Pi Pico and acquire the ability to control various sensors using it. Based on a foundational understanding of the Raspberry Pi Pico, this course is structured to step-by-step improve your skills in utilizing sensors.

Learn the core techniques of 'Prompt Engineering' to get exactly the answers you want from AI. From a complete beginner's first steps to expert practical applications, maximize your AI utilization skills!

This course covers how working professionals can use Google Gemini for team collaboration. You’ll learn the basics of using Google Docs and how to improve work efficiency through hands-on collaboration exercises with Gemini.

We're starting a series of tutorials for Photoshop image correction and editing, from basics to advanced editing.

This course focuses on learning the fundamental concepts of algorithms using the JAVA language, with an emphasis on simultaneously developing programming thinking skills and problem-solving abilities. Additionally, it systematically covers the large-scale application development procedures used in corporate environments, allowing students to learn the analysis and design processes required in practical work. Through this, learners can go beyond simple coding abilities to become familiar with the overall system analysis and design process and strengthen their practical application skills. By learning step-by-step from basics to practical procedures through this course, students can build a foundation for growing into developers, system engineers, and IT planners.

This course is designed to prepare you for the Information Security Engineer written exam by concisely summarizing core theories and strengthening practical skills through problem-solving. Take a step closer to obtaining your Information Security Engineer certification with past exam analysis and practical preparation strategies.

This is an assembler course provided by Smoothie TV.

Solve past questions from the 1st and 2nd rounds of the Licensed Real Estate Agent exam according to the actual time allotted for each session (100 minutes, 100 minutes, and 50 minutes). The questions are reproduced exactly as they appeared in the exam papers, from the 24th exam in 2013 through the 36th exam in 2025. Once you submit, your score for each subject and whether you failed any subject is shown immediately, and you can retry only the questions you got wrong.

This course focuses on developing immediately applicable visualization skills by utilizing Seaborn, a core tool for data visualization, and Plotly/Dash for building interactive dashboards. Through various hands-on exercises, you can simultaneously improve your ability to create insight-driven visual materials and implement web-based dashboards.

This course focuses on developing practical visualization skills that can be immediately applied in the workplace by utilizing Seaborn, a core tool for data visualization, and plotly/Dash for building interactive dashboards. Through various hands-on exercises, you can enhance both your ability to create insight-driven visual materials and implement web-based dashboards.

This course focuses on developing immediately applicable visualization skills by utilizing Seaborn, a core tool for data visualization, and Plotly/Dash for building interactive dashboards. Through various hands-on exercises, you can simultaneously improve your ability to create insight-driven visual materials and implement web-based dashboards.

A CBT that lets you solve 2,220 past questions from the 23rd (2014) through the 35th (2026) Certified Labor Attorney First Exams under the actual test-time conditions. Includes subject-by-subject pass/fail and average-score assessments, explanations with statutory and case-law grounds, and highlights of legislative amendments made after each exam.

This is how to use Photoshop, taught in [Photoshop Revolution Broadcast].

This is an Arduino lecture by Park Sung-jun on YouTube.

This course systematically teaches core features, starting with Figma’s basic interface and vector tools and progressing to auto layout, components, responsive layouts, and more. Through hands-on practice creating mobile UI layouts and components, you’ll develop design skills that can be applied directly to real-world projects. You’ll also experience design automation and prompt-based workflows using plugins, Figma Site, Figma Make, and the latest Figma AI features.

This course is designed to help students learn and practice PHP programming concepts. It is designed for students who want to learn PHP programming concepts.