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
451. In file management, users and applications access records via
- Physial I/O
- Basic I/O supervisor
- Logical I/O
- None of these.
452. Match the following for file system architecture :A-Basic file system, B-Logical I/O module, 1-Deals with blocks of data, 2-purpose record I/O capacity.
- A - 1, B - 2, C - 3
- A -1, 2, B - 3
- A - 2, 3 B - 1
- A -1, 3 , B - 2
453. Matchh the following access rights : A-Specific user, B-User group, C-All; 1-Individual user who are designated by user I, 2-A set of users who areindividully defined, 3-Every user has access to the system.
- A - 1, B- 2, C - 3
- A 2, B -1, C - 3
- A - 1, B - 3, C - 2
- A - 3, B - 2, C - 1
454. In file management, the pile
- The collection of data in order which they arrive
- A fixed format used for records
- Records keep with some key sequence.
- None of these
455. In file mamagement, in the following record blocking method, the optional use of space is made, without unused space left
- Fixed blocking
- Variable-length spanned blocking
- Variable-Length un-spanned blocking
- None of these
456. In secondary storage management, "If allocation of file is made on an individual block basis and each block contains a pointer to the next block in the chain" then it is referred as
- Contiguous allocation
- Chained allocation
- Indexed allocation
- None of these.
457. In Secondary storage management, bit table for each block on disk a vector contains
- One bit each block
- Two bit each block
- Three bit each block
- Four bit each block
458. In bit table used for free space management in secondary storage
- Bit zero correspnds to free block
- Bit one corresponds to free block
- Bit zero correspondsto block in use
- None of these
459. The amount of memory (in bytes) required for a block bitmap is
- Disk size x 8
- Disk size/ (8 x file system block size)
- File system block size/disk size)
- None of these.
460. In 16 G byte disk with 512-bit block, the bit table requires
- 1 M bytes
- 2 M bytes
- 3 M bytes
- 4 M bytes