Computer science involves much more than writing code. It blends technical knowledge —like programming, algorithms and data systems — with soft skills, such as communication and problem-solving.

Experts advise focusing on Python, MySQL, and Networking, practicing output questions, mastering SQL basics, revising key ...

This as-told-to essay is based on a conversation with Alex Seungyong Yang, an 18-year-old high school senior, based in Seoul. The following has been edited for length and clarity. As an incoming ...