1. Operating system called a thousand systems are executed per
(A) hour
(B) day
(C) min
(D) sec
2. A web-based computing system, the computer used are normally _____?
(A) servers
(B) personal computers
(C) tablets
(D) network computers
3. Dump of memory of the computer system is examined by the ___?
(A) programmer
(B) debugger
(C) designer
(D) engineer
4. CloseHandle() call function in Windows operating system is a UNIX’s function called for
(A) fork()
(B) close()
(C) read()
(D) open()
5. Which is not provided by the operating system is____
(A) networking
(B) user interface
(C) error detection
(D) program execution
6. Chain of the program of a computer system is as strong as its ___
(A) strongest link
(B) weakest link
(C) all links
(D) mid link
7. Which is Friendly user interface provided by operating system ____
(A) graphical user interface
(B) command-line interface
(C) batch interface
(D) device interface
8. Bourne-again-shell of the operating system is used by
(A) windows
(B) Windows and Mac
(C) Linux
(D) UNIX and Linux
9. Number of byte to be read into a buffer of the system is_____
(A) WORD bytes to write
(B) WORD bytes to read
(C) DWORD bytes to write
(D) DWORD bytes to read
10. Bourne shell in command interpreter of the operating system is used by____
(A) windows
(B) Windows and Macintosh
(C) Macintosh and LINUX
(D) Linux and UNIX
11. Programs of the operating system end ____
(A) Interval
(B) Interruptedly
(C) Normally
(D) Erroneously
12. The main functionality of command interpreter of the operating system is to
(A) remove commands
(B) execute commands
(C) fetch commands
(D) Decode commands
13. Power failure of a computer system is one of kinds of____
(A) error
(B) outputs
(C) inputs
(D) Interrupts
14. MAC is a ____?
(A) command-line interface
(B) batch interface
(C) graphical user interface
(D) device interface
15. A buffer of the system from where data will be read is called
(A) LVOID buffer
(B) LPVOID buffer
(C) PVOID buffer
(D) VOID buffer
16. The buffer of the system from where data will be read is known as _____
(A) LPVOID buffer
(B) PVOID buffer
(C) LVOID buffer
(D) VOID buffer
17. X-windows operating system is a user’s interface that is a common version of____?
(A) windows
(B) MAC OS
(C) Linux
(D) UNIX
18. Operating system is mainly comprised of
(A) third party programs
(B) user programs
(C) system programs
(D) both B and C
19. For authentication purpose, operating system requires______
(A) personal computers
(B) servers
(C) login authentication
(D) network computers
20. In icon based system menus are displayed on___
(A) programs
(B) memory
(C) screen/desktop
(D) Interfaces
21. Windows explorer program are____
(A) command line interface
(B) batch interface
(C) graphical user interface
(D) device interface
22. Operating system programs that are manipulated are asked by the_____?
(A) programmer
(B) open source
(C) user
(D) operating system
23. 1st version of internet explorer was introduced in____
(A) 20-Jul-90
(B) 16-Aug-95
(C) 16-Feb-98
(D) 16-Jan-00
24. System calls of operating system is done by___?
(A) caller
(B) programmer
(C) developer
(D) engineer
25. Choice of shells in command interpreters of the operating system is chosen by
(A) windows
(B) users
(C) processes
(D) operating system
26. Choice of shells in command interpreters of the operating system is chosen by___
(A) operating system
(B) users
(C) windows
(D) processes
27. X windows operating system is a user interface that is_____
(A) command-line interface
(B) device interface
(C) batch interface
(D) graphical user interface
28. For allocating resources Central Processing Unit has individual _____
(A) routines
(B) devices
(C) programs
(D) Processes
29. What is an abbreviation of MAC operating system ___
(A) main operating system
(B) memory operating system
(C) Macintosh operating system
(D) mainframe operating system
30. The common desktop environment program of an operating system is a _____?
(A) command-line interface
(B) device interface
(C) batch interface
(D) graphical user interface
31. Local desktop environment program of the operating system is a___?
(A) batch interface
(B) graphical user interface
(C) command line interface
(D) device interface
32. In graphical user interface users uses____
(A) file based interface
(B) mouse based Pointing
(C) command line interface
(D) voice based interface
33. Date of computer system and getting time is ___
(A) process control
(B) information maintenance
(C) device management
(D) file management
34. Readfile() function of operating system is for reading_____
(A) command
(B) processes
(C) files
(D) programs
35. When error appear, program of operating system automatically gets _____?
(A) Executed
(B) stored
(C) aborted
(D) Declined
36. Which number of the byte read during the last read of program/memory is ______
(A) DWORD bytes to read
(B) LPDWORD bytes to read
(C) LPDWORD bytes to write
(D) DWORD bytes to write
37. Communication between devices of the system is provided by ___
(A) graphical user interfacing
(B) message passing
(C) shared memory
(D) both B and C
38. System calls of an operating system provide an interface to
(A) programs
(B) processes
(C) Utilities
(D) services
39. KornShell of operating system program is used by the_____?
(A) Linux
(B) UNIX
(C) windows
(D) both A and B
40. One that is not a system call category of the program is _____
(A) process control
(B) protection
(C) file generation
(D) communication
41. GNOME is a project that was created by _____?
(A) GNU
(B) windows
(C) UNIX
(D) Linux
42. In the local interpreter environment of the operating system, commands are executed by ____?
(A) windows
(B) Linux
(C) itself
(D) UNIX
43. Delete file of programs and create are ____
(A) process control
(B) device management
(C) file management
(D) information maintenance
44. Allocation of output and input devices are provided by
(A) Mediators
(B) operating system
(C) Moderators
(D) Processors
45. In Linux rm file.text command is used for ____?
(A) remove graphics
(B) remove the text file
(C) remove image
(D) remove video
46. Between application programming interface and system calls, there present a/an ___
(A) relationship
(B) interface
(C) correlation
(D) Dependency
47. A Logical extension of multiprogramming operating system is
(A) single programming
(B) multi-tasking
(C) Time-sharing
(D) both B and C
48. In command interpreter, interpreter is also called a _______?
(A) Shell
(B) Batch program
(C) Kernel
(D) Library
49. Unix and Linux are operating systems which are
(A) multitasking
(B) single tasking
(C) multi-user
(D) both A and C
50. System calls are provided by the _____
(A) file system
(B) system kernel
(C) user
(D) system interface
