____ runs on a computer hardware and serves as a platform for other system to run on

A. System software

B. Operating system

C. Application system

D. All of above

You can do it
  1. Recently deleted files are stored in
  2. Which of the following operating system reads and reacts in actual time?
  3. In_________________ model, when a process does a release access, the contents of all the modifications…
  4. The two sub systems of user mode layer of windows 2000 are _________ and __________
  5. The Network Time Protocol is similar to _______________algorithm in that synchronization is also performed…
  6. What is Dr. Watson?
  7. You can move a window to a different position on your screen by dragging it by its
  8. A _______________in a distributed system is a string of bits or characters that is used to refer to…
  9. In _______, if a processor writes the value 100 to the memory location x, this write operation will…
  10. The primary purpose of an operating system is a …
  11. The name services of DCE include ________
  12. A process may create a new process by executing ___________system call.
  13. ______________approach simplifies debugging and system verification.
  14. A process is ____________________
  15. A process is _________________
  16. ____________approach can place the data directly into the memory or take the data directly from the…
  17. A process control block contains varies attributes required by _____________ to control a process.
  18. Which of the following is not essential to shut down your computer?
  19. In MS-DOS, the interfaces and levels of functionality are _______________
  20. Which of the following is drop down list?
  21. All of the following are TRUE regarding virtual memory EXCEPT
  22. Ext2 is the standard file system of _______ and uses a block size of_____bytes
  23. An option commonly takes the form of a _____followed by __________characters.
  24. BSD stands for_____________________
  25. Choose the correct statement from the following.
  26. What is the function of radio button?
  27. What is dispatch latency?
  28. The time taken by the Dispatcher to stop one process and start another running is known as _________________.
  29. In layered approach each layer uses the functions and services of ------------------
  30. Which of the following is an essential file of a MS-DOS boot disk?