(A) Windows 7
(B) Windows NT
(C) None of these
(D) MS-DOS
🧠 Explanation:
A single-user operating system is designed to manage the computer’s resources for one user at a time. It allows that user to run applications and access hardware without interference from others. Such systems are typically simpler and used in personal computers or devices where multiple users do not need simultaneous access. Examples include Windows 10 and macOS in their standard configurations. Understanding the difference between single-user and multi-user operating systems helps in selecting the right software for specific needs and environments, ensuring efficient and secure computer usage.
