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
501. Followin is/are operating system used in computers
- MS-DOS
- OS/2
- UNIX
- All of the above
502. The following operating system writes through catches ?
- UNIX
- DOS
- ULTRIX
- XENIX
503. Whih is/are the most important features of microsoft windows program ?
- Windows
- Pull-down menus
- Icons
- All of the above
504. Multiprocessing models have
- symmetric multiprocessing model
- asymmetric multiprocessing model
- both (A) and (B) above
- None of these
505. 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.
506. Multiprogramming systems
- are easier to develop than single programming systems
- Execute each job faster
- execute more jobs in the same time period
- are used only one large mainframe computers
507. Virtual memory is
- simple to implement
- used on all major commercial operating systems
- less efficient in utilization of memory
- useful when fast I/O devices are not available
508. Memory management is
- not used in modern operating systems
- replaced with virtual memory on current systems
- not used on multiprogramming systems
- critical for even thesimplest operating systems
509. Scheduling is
- allowing job to use the processor
- making proper use of processor
- Both A and B
- None of these
510. Followingg is true for multiprocessing
- it makes the operating system simpler
- it allows multiple processes to run simultaneously
- it allows the same computer to have multiple processors
- Noneof these