Operating System Structures MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 30, 2025

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1. Operating system called a thousand systems are executed per





2. A web-based computing system, the computer used are normally _____?





3. Dump of memory of the computer system is examined by the ___?





4. CloseHandle() call function in Windows operating system is a UNIX’s function called for





5. Which is not provided by the operating system is____





6. Chain of the program of a computer system is as strong as its ___





7. Which is Friendly user interface provided by operating system ____





8. Bourne-again-shell of the operating system is used by





9. Number of byte to be read into a buffer of the system is_____





10. Bourne shell in command interpreter of the operating system is used by____





11. Programs of the operating system end ____





12. The main functionality of command interpreter of the operating system is to





13. Power failure of a computer system is one of kinds of____





14. MAC is a ____?





15. A buffer of the system from where data will be read is called





16. The buffer of the system from where data will be read is known as _____





17. X-windows operating system is a user’s interface that is a common version of____?





18. Operating system is mainly comprised of





19. For authentication purpose, operating system requires______





20. In icon based system menus are displayed on___





21. Windows explorer program are____





22. Operating system programs that are manipulated are asked by the_____?





23. 1st version of internet explorer was introduced in____





24. System calls of operating system is done by___?





25. Choice of shells in command interpreters of the operating system is chosen by





26. Choice of shells in command interpreters of the operating system is chosen by___





27. X windows operating system is a user interface that is_____





28. For allocating resources Central Processing Unit has individual _____





29. What is an abbreviation of MAC operating system ___





30. The common desktop environment program of an operating system is a _____?





31. Local desktop environment program of the operating system is a___?





32. In graphical user interface users uses____





33. Date of computer system and getting time is ___





34. Readfile() function of operating system is for reading_____





35. When error appear, program of operating system automatically gets _____?





36. Which number of the byte read during the last read of program/memory is ______





37. Communication between devices of the system is provided by ___





38. System calls of an operating system provide an interface to





39. KornShell of operating system program is used by the_____?





40. One that is not a system call category of the program is _____





41. GNOME is a project that was created by _____?





42. In the local interpreter environment of the operating system, commands are executed by ____?





43. Delete file of programs and create are ____





44. Allocation of output and input devices are provided by





45. In Linux rm file.text command is used for ____?





46. Between application programming interface and system calls, there present a/an ___





47. A Logical extension of multiprogramming operating system is





48. In command interpreter, interpreter is also called a _______?





49. Unix and Linux are operating systems which are





50. System calls are provided by the _____





 

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