Operating System Basics Questions and Answers
Operating System Basics questions with answers are among the most commonly asked in technical interviews and exams. This section covers core OS concepts like process management, memory allocation, file systems, and scheduling algorithms. Practicing programming questions and answers on operating systems helps strengthen your conceptual clarity and practical understanding of computer architecture. Frequently featured in GATE, TCS, Infosys, and Wipro placements, these MCQs provide a balanced mix of theoretical and applied knowledge. Clear explanations make this section an ideal resource for anyone preparing for system-related roles or competitive exams.
Operating System Basics
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563 questions
151. Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called _________
- Static loading
- Dynamic loading
- Dynamic linking
- Overlays
152. Which of the following is crucial time while accessing data on the disk?
- Seek time
- Rotational time
- Transmission time
- Waiting time
153. The host repeatedly checks if the controller is busy until it is not. It is in a loop that status register's busy bit becomes clear. This is called _____________ and a mechanism for the hardware controller to notify the CPU that it is ready is called ___________.
- Interrupt and Polling
- Polling and Spooling
- Polling and Interrupt
- Deadlock and Starvation
154. Unix Operating System is an __________.
- Time Sharing Operating System
- Multi-User Operating System
- Multi-tasking Operating System
- All the Above
155. Which of the following memory allocation scheme suffers from External fragmentation?
- Segmentation
- Pure demand paging
- Swapping
- Paging
156. Information about a process is maintained in a _________.
- Stack
- Translation Lookaside Buffer
- Process Control Block
- Program Control Block
157. Distributed OS works on the ________ principle.
- File Foundation
- Single system image
- Multi system image
- Networking image
158. The problem of fragmentation arises in ________.
- Static storage allocation
- Stack allocation storage
- Stack allocation with dynamic binding
- Heap allocation
160. The program is known as _________ which interacts with the inner part of called kernel.
- Compiler
- Device Driver
- Protocol
- Shell