What does OS X has?

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 What does OS X has?

1.monolithic kernel with modules

2.microkernel

3.monolithic kernel

4.hybrid kernel

Posted Date:-2022-03-21 04:39:47

More MCQS Questions and answers

  1. A deadlock avoidance algorithm dynamically examines the __________ to ensure that a circular wait condition can never exist.
  2. If a process fails, most operating system write the error information to a ______
  3. In Operating Systems, which of the following is/are CPU scheduling algorithms?
  4. In real time operating system _______
  5. In Unix, which system call creates the new process?
  6. To obtain better memory utilization, dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. For implementing dynamic loading _____
  7. To recover from failures in the network operations _____________ information may be maintained.
  8. What are the characteristics of Host based IDS?
  9. What are the types of distributed operating systems?
  10. What does OS X has?
  11. What is the main function of the command interpreter?
  12. Which one of the following is a real time operating system?
  13. Cascading termination refers to the termination of all child processes if the parent process terminates ______
  14. CPU scheduling is the basis of _____
  15. For an effective operating system, when to check for deadlock?
  16. For real time operating systems, interrupt latency should be _______
  17. Hard real time operating system has ______________ jitter than a soft real time operating system.
  18. If the sum of the working – set sizes increases, exceeding the total number of available frames _____
  19. In a timeshare operating system, when the time slot assigned to a process is completed, the process switches from the current state to?
  20. In operating system, each process has its own _____
  21. In SCSI disks used in high end PCs, the controller maintains a list of _________ on the disk. The disk is initialized during ________ formatting which sets aside spare sectors not visible to the operating system.
  22. Network operating system runs on ______
  23. On systems where there are multiple operating system, the decision to load a particular one is done by ______
  24. Swapping _______ be done when a process has pending I/O, or has to execute I/O operations only into operating system buffers.
  25. The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
  26. The _________ presents a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
  27. The FCFS algorithm is particularly troublesome for ______
  28. The information about all files is kept in ______
  29. The main memory accommodates _______
  30. The operating system _______ the links when traversing directory trees, to preserve the acyclic structure of the system.
  31. The operating system and the other processes are protected from being modified by an already running process because ______
  32. The operating system is responsible for?
  33. The operating system keeps a small table containing information about all open files called ______
  34. The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.
  35. The portion of the process scheduler in an operating system that dispatches processes is concerned with _____
  36. The priority of a process will ______________ if the scheduler assigns it a static priority.
  37. The two steps the operating system takes to use a disk to hold its files are _______ and ________
  38. To access the services of the operating system, the interface is provided by the _____
  39. Transient operating system code is a code that ________
  40. Using transient code, _______ the size of the operating system during program execution.
  41. What are the characteristics of stack based IDS?
  42. What is an operating system?
  43. What will happen in the single level directory?
  44. When a process is in a “Blocked” state waiting for some I/O service. When the service is completed, it goes to the ______
  45. Whenever a process needs I/O to or from a disk it issues a ______
  46. Where is the operating system placed in the memory?
  47. Which one of the following errors will be handle by the operating system?
  48. Which one of the following is not a real time operating system?
  49. Which one of the following is not true?
  50. Which principle states that programs, users, and even the systems be given just enough privileges to perform their task?
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