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.

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

This is an introductory course on 3D graphics modeling using the 3D modeling software Autodesk Maya. The course consists of four parts in total, and this specific session focuses on learning Maya's modeling features in depth.

This is an assembler course provided by Smoothie TV.

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.

Through this course, learners can develop the ability to obtain a Computer Application Skills certification. This course is structured according to the examination standards as a preparation course for acquiring the Computer Application Skills certification. You can learn and apply basic knowledge of Computer Application Skills subjects to prepare for certification acquisition. (Computer Application Skills Level 1 & 2 Written Exam - Spreadsheet General)

This course takes you step by step from Canva’s basic interface to practical applications. You’ll learn how to create designs that can be immediately applied to real-world work, including promotional posters, flyers, and SNS content, as well as create personal branding materials such as resumes and portfolios. It also covers how to build a consistent design system and improve work efficiency using Brand Hub and Canva AI features.

It contains only the essentials required to obtain the SQLD certification. This is a learning process that will help you acquire the SQLD certification by solving various examples directly, starting from setting up the development environment and building your skills.

This course is a **practical-focused lecture** that covers how to apply **conversational AI (ChatGPT, etc.)** to actual company work. Beyond simple AI usage methods, it is structured to enable learning of specific cases such as work automation, document creation, idea generation, and data analysis assistance that can be utilized in various departments and job environments. Through this course, learners will master methods to streamline repetitive and time-consuming tasks with AI, and experience smart workflows that collaborate with AI. Additionally, by understanding AI's strengths and limitations, it helps make correct decisions in actual business situations. Upon completing this course, you will be able to utilize conversational AI including ChatGPT as a tool to enhance work productivity, which will serve as an important foundation for securing competitiveness in future work environments.

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.

Learn the basics of using AutoCAD and the basic functions for 2D CAD work.

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

This is a lecture on the overall methodology of selling products on Coupang. In Part 1, you will learn step by step how to sell on Coupang with small capital and no inventory, starting from business registration.

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!

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

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.

This is a course where you can study data structures and algorithms along with the object-oriented language C++.

We introduce good lectures based on the motto of TED(http://ted.com) ‘Ideas worth telling’.

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.

I would like to introduce you to the Premier course by Nori Island on YouTube.