Operating System Interview Questions
Q31. Which one operation signifies that the transaction has terminated its execution
(a) Commit
(b) Abort
(c) Hang
(d) Modify
Answer: (a) Commit
Q32. Which one is an example of race condition
(a) Simple Switch
(b) Light Switch
(c) Smart Switch
(d) Enterprise Switch
Answer: (b) Light Switch
Q33. In deadlock,only one process at a time can use the resource,this condition is called
(a) Single exclusion
(b) Exclusive exclusion
(c) Smart exclusion
(d) Mutual exclusion
Answer: (d) Mutual exclusion
Q34. ________ is solved by Dijkstra’s banking algorithm
(a) Deadlock recurrence
(b) Deadlock avoidance
(c) Deadlock exclusion
(d) Deadlock recovery
Answer: (b) Deadlock avoidance
Q35. The run-time mapping from virtual to physical addresses is done by a hardware device called
(a) Process Management Unit
(b) CPU Management Unit
(c) Memory Management Unit
(d) Event Management Unit
Answer: (c) Memory Management Unit
Q36. Whenever the CPU scheduler decides to execute a process, it calls the
(a) Dispatcher
(b) Scheduler
(c) Performer
(d) None of the above
Answer: (a) Dispatcher
Q37. The total transfer time is ________ to the amount of memory swapped
(a) directly proportional
(b) indirectly proportional
(c) equal
(d) None of the above
Answer: (a) directly proportional
Q38. Which one is a memory-management scheme that permits the physical address space of a process to be noncontiguous
(a) scheduling
(b) swapping
(c) paging
(d) segmentation
Answer: (c) paging
Q39. ‘Login-ID and Password’ mechanism is implemented in an operating system to ensure which of the following aspects of security
(a) Confidentiality
(b) Integrity
(c) Authentication
(d) Authorization
Answer: (c) Authentication
Q40. Windows operating system follows __________ type of kernel architecture
(a) Monolithic
(b) Micro
(c) Macro
(d) Hybrid
Answer: (d) Hybrid
Q41. Usually which of the following is not done by an OS
(a) Encryption
(b) Error handling
(c) Resource Management
(d) Power on Self Test (POST)
Answer: (a) Encryption
Practice Test Exam