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A small part of taskbar that has icons of background running applications is

A. Start button

B. Quick launch

C. Task bar

D. System tray

Correct Answer : D.


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  1. In___________, the requesting device or devices assert the signal bus_request.
  2. A process may create a new process by executing ___________system call.
  3. Having data belonging to two independent processes in the same page is called____________.
  4. Creation of a semaphore set is done using the _______system call.
  5. ______________ refers to the technology in which some space in hard disk is used as an extension of…
  6. __________ deals with when a modified page should be written out to secondary memory.
  7. PVM stands for
  8. In the case of____________ , changes to an open file are only locally visible.
  9. Which of the following is an essential file of a MS-DOS boot disk?
  10. You can use print manage window
  11. Which of the following is suitable after you install new drivers?
  12. In the case of____________, message remains in the senders address space until the receiver executes…
  13. Which command is used to display the contents of the text file of DOS?
  14. In Multics, a process could have up to 256K segments, but each segment was limited to ___________ 64K…
  15. You can move a window to a different position on your screen by dragging it by its
  16. All of the following are TRUE regarding virtual memory EXCEPT
  17. In case of ________________the server automatically copies files to other servers after the files are…
  18. When a child dies, it sends a _______________signal to its parent.
  19. The problem with logical dumping is ________________
  20. Identify the server:This type of server generally remains in existence indefinitely. It is shared by…
  21. When copying more than one file at a time, you must specify an existing directory as the ___________
  22. Two clocks are said to be synchronized at a particular instance of time if the difference in time values…
  23. The essential difference between an operating system like Linux and one like Windows is that
  24. In_________________ model, when a process does a release access, the contents of all the modifications…
  25. Taskbar is used for
  26. IDL stands for_____________________
  27. Which of the following is drop down list?
  28. In case of ____________________transparency a file can transparently move to another server.
  29. The operating system is the most common type of ___ Software
  30. Whenever you move a directory from one location to another