Understand how operating systems manage memory and processes at a conceptual level. Know common file extensions, network devices, and the purpose of protocols like HTTP and SMTP without diving into packet internals.
Security questions often cover malware types, firewalls, and authentication basics. Office-related items may test mail merge, spreadsheets, or pivot concepts—recognize terms even if you rarely use them daily.
Use chapter-end quizzes and convert wrong answers into flashcards. The goal is recognition speed, not building software projects.