OPERATING SYSTEMS – 20 QUESTIONS
Question 1
What is an Operating System?
(a) A type of hardware component
(b) System software that manages computer hardware and software resources and provides services for computer programs
(c) An application software for word processing
(d) A programming language
Question 2
Which of the following is NOT a function of an Operating System?
(a) Memory Management
(b) Process Management
(c) Virus Creation
(d) File Management
Question 3
Which was the first operating system developed?
(a) Windows
(b) DOS
(c) GM-NAA I/O
(d) Unix
Question 4
GUI stands for:
(a) Graphical User Interface
(b) General User Interface
(c) Graphical Uniform Interface
(d) General Uniform Interface
Question 5
Which of the following is a Real-Time Operating System?
(a) Windows 11
(b) macOS
(c) VxWorks
(d) Ubuntu
Question 6
MS-DOS is a ________ operating system.
(a) GUI-based
(b) Command-line based
(c) Touch-based
(d) Voice-based
Question 7
In which year was Windows OS first released?
(a) 1981
(b) 1985
(c) 1990
(d) 1995
Question 8
Which of the following is an open-source operating system?
(a) Windows 10
(b) macOS
(c) Linux
(d) iOS
Question 9
BIOS stands for:
(a) Basic Input Output System
(b) Binary Input Output System
(c) Basic Internal Operating System
(d) Binary Internal Output System
Question 10
What is the kernel in an operating system?
(a) The outermost layer of OS
(b) The core component that manages system resources
(c) A type of application software
(d) The user interface
Question 11
Which scheduling algorithm gives minimum average waiting time?
(a) FCFS (First Come First Serve)
(b) SJF (Shortest Job First)
(c) Round Robin
(d) Priority Scheduling
Question 12
What is the process of loading an operating system into memory called?
(a) Installing
(b) Booting
(c) Formatting
(d) Partitioning
Question 13
A process that has finished execution but still has an entry in the process table is called:
(a) Orphan Process
(b) Zombie Process
(c) Dead Process
(d) Terminated Process
Question 14
Which memory management technique divides memory into fixed-sized blocks?
(a) Segmentation
(b) Paging
(c) Virtual Memory
(d) Cache Memory
Question 15
Deadlock occurs when:
(a) A process is running too slowly
(b) Two or more processes are waiting indefinitely for each other to release resources
(c) The CPU stops working
(d) Memory is full
Question 16
Which of the following is a multi-user operating system?
(a) MS-DOS
(b) Windows 95
(c) Unix/Linux
(d) Windows 3.1
Question 17
Virtual memory allows:
(a) Execution of programs larger than physical RAM
(b) Faster CPU processing
(c) Better graphics display
(d) Antivirus protection
Question 18
The technique of temporarily removing a process from memory and storing it on disk is called:
(a) Paging
(b) Swapping
(c) Segmentation
(d) Caching
Question 19
Which type of operating system allows multiple users to access the computer system at one time?
(a) Single-user OS
(b) Multi-user OS
(c) Real-time OS
(d) Embedded OS
Question 20
Android is based on which operating system?
(a) Windows
(b) Linux
(c) Unix
(d) macOS
ANSWER KEY
| Question No. | Correct Answer | Quick Reference |
|---|---|---|
| 1 | (b) | OS Definition |
| 2 | (c) | OS Functions |
| 3 | (c) | First OS |
| 4 | (a) | GUI |
| 5 | (c) | RTOS |
| 6 | (b) | MS-DOS |
| 7 | (b) | Windows History |
| 8 | (c) | Open Source |
| 9 | (a) | BIOS |
| 10 | (b) | Kernel |
| 11 | (b) | Scheduling |
| 12 | (b) | Booting |
| 13 | (b) | Zombie Process |
| 14 | (b) | Paging |
| 15 | (b) | Deadlock |
| 16 | (c) | Multi-user OS |
| 17 | (a) | Virtual Memory |
| 18 | (b) | Swapping |
| 19 | (b) | Multi-user OS |
| 20 | (b) | Android |