Operating System Interview Questions (Fresher)
Q1. What is an Operating System?
OS manages hardware and software resources.
Examples: Windows, Linux, macOS
Q2. What is a Process?
A program in execution.
Q3. What is a Thread?
Smallest unit of execution within a process.
Q4. What is Deadlock?
When processes wait forever for resources.
Q5. What is Virtual Memory?
Uses disk as RAM when physical memory is full.

