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
141. The problem of thrashing is effected scientifically by ________.
- Program structure
- Program size
- Primary storage size
- None of the above
142. Paging _________.
- 1 solves the memory fragmentation problem
- allows modular programming
- allows structured programming
- avoids deadlock
143. Real time systems are ________.
- Primarily used on mainframe computers
- Used for monitoring events as they occur
- Used for program development
- Used for real time interactive users
144. A thread is a __________ process .
- Heavy Weight
- Mutliprocess
- Inter Thread
- Light wieght
145. _________ allocates the largest hole (free fragmant) available in the memory.
- Best Fit
- Worst Fit
- First Fit
- None of the above
146. Number of CPU registers in a system depends on ____________.
- Operating system
- Computer Architecture
- Computer Organization
- None of the above
147. A major problem with priority scheduling is _________.
- Definite blocking
- Starvation
- Low priority
- None of the above
148. Which directory implementation is used in most Operating System?
- Single level directory structure
- Two level directory structure
- Tree directory structure
- Acyclic directory structure
149. The term " Operating System " means ________.
- A set of programs which controls computer working
- The way a computer operator works
- Conversion of high-level language in to machine level language
- The way a floppy disk drive operates
150. The operating system of a computer serves as a software interface between the user and the ________.
- Hardware
- Peripheral
- Memory
- Screen