Operating System (OS) is basically a software program that manages and handles all resources of a computer such as hardware and software. The first OS was introduced in the early 1950s known as GMOs. An OS is responsible for managing, handling, and coordinating overall activities and sharing of computer resources. It acts as an intermediary among users of computer and computer hardware.
Checkout most asked operating systems interview questions below:
- What are a socket, kernel, and monolithic kernel?
- What is main purpose of operating system? Discuss different types
- Difference between process, program and thread? Different types
- Define Virtual Memory, Thrashing and Threads
- What is RAID? Different types of RAID
- What is a deadlock? Necessary conditions for deadlock
- What is Fragmentation? Types of Fragmentation
- What is spooling?
- What are semaphore and mutex? Define Binary Semaphore
- BELADY’S ANOMALY : Explained
- Starving and Ageing in Operating System : Explained
- Why does thrashing occur?
- What is paging and why do we need it?
- Demand paging and Segmentation
- Different types of Operating Systems and Real-time OS
- Difference between Main memory and Secondary memory
- Dynamic Binding : Explained
- FCFS Scheduling : Explained
- SJF Scheduling : Explained
- SRTF Scheduling : Explained
- LRTF Scheduling : Explained
- Priority Scheduling
- Round Robin Scheduling : Explained
- Producer Consumer Problem
- Banker’s Algorithm : Explained
- What is cache?
- Difference between Direct Mapping and Associative Mapping
- Difference between Multitasking and Multiprocessing