DOS cannot retrieve any data from a disk if a computer virus corrupts its:

🧠 Explanation:

DOS cannot retrieve data from a disk if a virus corrupts the File Allocation Table (FAT), which tracks file locations. This issue is a key topic in computer science, engaging students and IT professionals studying system vulnerabilities. Understanding FAT’s role ensures better data recovery and security practices, relevant for managing computer storage. It highlights the impact of viruses, attracting those exploring cybersecurity and the history of operating systems in digital technology.