Operating System Structures MCQs
1.operating system called a thousand systems are executed per
A. hour
B. day
C. min
D. sec
E. None of these
2. A web-based computing system, the computer used are normally _____?
A. servers
B. personal computers
C. tablets
D. network computers
E. None of these
3. Choose one of the best options from the following. Dump of memory of the computer system is examined by the ___?
A.programmer
B. debugger
C.designer
D.engineer
E. None of these
4.Indicate one of the best options from the following. CloseHandle() call function in windows operating system is a UNIX’s function called for
A. fork()
B. close()
C. read()
D. open()
E. None of these
5.Which is not provided by the operating system is____
A. networking
B. user interface
C. error detection
D. program execution
E. None of these
6.Choose one of the best options from the following. 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
E. None of these
7.Which is Friendly user interface provided by operating system ____
A. graphical user interface
B. command-line interface
C. batch interface
D. device interface
E. None of these
8.Indicate one of the best options from the following. Bourne-again-shell of the operating system is used by
A. windows
B. Windows and Mac
C. Linux
D. UNIX and Linux
E. None of these
9. Which 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
E. None of these
10.Which 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
E. None of these
11.Programs of the operating system end ____
A. Interval
B. Interruptedly
C. Normally
D. Erroneously
E. None of these
12.Choose the best option from the following. The main functionality of command interpreter of the operating system is to
A. remove commands
B. execute commands
C. fetch commands
D. Decode commands
E. None of these
13.Power failure of a computer system is one of kinds of____
A. error
B. outputs
C. inputs
D. Interrupts
E. None of these
14. MAC is a ____?
A. What is the command-line interface
B. batch interface
C. graphical user interface
D. device interface
E. None of these
15. Choose one of the best options. 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
E. None of these
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
E. None of these
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
E. None of these
18.Indicate best answer. Operating system is mainly comprised of
A. third party programs
B. user programs
C. system programs
D. both B and C
E. None of these
19.For authentication purpose, operating system requires______
A. personal computers
B. servers
C. login authentication
D. network computers
E. None of these
20.Choose bset option. In icon based system menus are displayed on___
A. programs
B. memory
C. screen/desktop
D. Interfaces
E. None of these
21.Windows explorer program are____
A. command line interface
B. batch interface
C. graphical user interface
D. device interface
E. None of these
22.Operating system programs that are manipulated are asked by the_____?
A. programmer
B. open source
C. user
D. operating system
E. None of these
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
E. None of these
24. System calls of operating system is done by___?
A. caller
B. programmer
C. developer
D. engineer
E. None of these
25. Which is the best option? Choice of shells in command interpreters of the operating system is chosen by
A. windows
B. users
C. processes
D. operating system
E. None of these
26. Indicate the best option. Choice of shells in command interpreters of the operating system is chosen by___
A. operating system
B. users
C. windows
D. processes
E. None of these
27. Indicate the best option. X windows operating system is a user interface that is_____
A. command-line interface
B. device interface
C. batch interface
D. graphical user interface
E. None of these
28. For allocating resources Central Processing Unit has individual _____
A. routines
B. devices
C. programs
D. Processes
E. None of these
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
E. None of these
30. Indicate the best option. 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
E. None of these
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
E. None of these
32.Indicate best option. In graphical user interface users uses____
A. file based interface
B. mouse based Pointing
C. command line interface
D. voice based interface
E. None of these
33.Date of computer system and getting time is ___
A. process control
B. information maintenance
C. device management
D. file management
E. None of these
34.Choose best option from the following. Readfile() function of operating system is for reading_____
A. command
B. processes
C. files
D. programs
E. None of these
35.When error appear, program of operating system automatically gets _____?
A. Executed
B. stored
C. aborted
D. Declined
E. None of these
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
E. None of these
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
E. None of these
38. Indicate the best option from the following. System calls of an operating system provide an interface to
A. programs
B. processes
C. Utilities
D. services
E. None of these
39. KornShell of operating system program is used by the_____?
A. Linux
B. UNIX
C. windows
D. both a and b
E. None of these
40. Choose one of the best options. one that is not a system call category of the program is _____
A. process control
B. protection
C. file generation
D. communication
E. None of these
41.GNOME is a project that was created by _____?
A. GNU
B. windows
C. UNIX
D. Linux
E. None of these
42. In the local interpreter environment of the operating system, commands are executed by ____?
A. windows
B. Linux
C. itself
D. UNIX
E. None of these
43.Delete file of programs and create are ____
A. process control
B. device management
C. file management
D. information maintenance
E. None of these
44. Allocation of output and input devices are provided by
A. Mediators
B. operating system
C. Moderators
D. Processors
E. None of these
45. In Linux rm file.text commend is used for ____?
A. remove graphics
B. remove the text file
C. remove image
D. remove video
E. None of these
46. Between application programming interface and system calls, there present a/an ___
A. relationship
B. interface
C. correlation
D. Dependency
E. None of these
47. A Logical extension of multiprogramming operating system is
A. single programing
B. multi-tasking
C. Time-sharing
D. both b and c
E. None of these
48. Multiprogramming of computer system increases ____?
A. memory
B. CPU utilization
C. storage
D. cost of computation
E. None of these
49. The environment in which programs of the system are executed is called _____?
A. nodes
B. operating system
C. clustered system
D. both a and b
E. None of these
50. Every user of computer system that uses computer services has at least ____
A. 2programs
B. 1program
C. 3programs
D. 4programs
E. None of these
51. System resources of computer can be utilized better in ____?
A. single program environment
B. multi program environment
C. core environment
D. dual program environment
E. None of these
52. Win32 application programming interfaces is for _____?
A. Solaris
B. UNIX
C. Linux
D. windows
E. None of these
53. Run time support system is a system that is provided by _____?
A. System call routines are mostly written in
B. system programs
C. processes system
D. calls interface
E. None of these
54. Getting device attributes of the computer is a ___?
A. process control
B. information maintenance
C. device management
D. file management
E. None of these
55. Environment for execution of programs is provided by _____?
A. inputs
B. operating system
C. outputs
D. memory
E. None of these
56.Indicate best option interfaces of operating system provides ____
A. portability
B. designing
C. Reusability
D. Optimization
E. None of these
57. Aqua user interface was appeared with_____?
A. windows
B. shells
C. Bourne shell
D. MAC OS
E. None of these
58. Choose one of the best options. directories in Linux are known as
A. commands
B. graphics
C. folders
D. text
E. None of these
59. In command rm file.text of operating system program, file.txt is a _____?
A. file type
B. file name
C. format
D. both a and b
E. None of these
60. System call routines of the operating systems are mostly written in ____?
A. java
B. C++
C. C
D. both b and c
E. None of these
61.Operating System is responsible for transferring data to____?
A. memory
B. monitor
C. ALU
D. I/O devices
E. None of these
62.Parameters of programs on stack are_____?
A. copied
B. pushed
C. popped
D. both b and c
E. None of these
63. One that is not a type of user interface of the operating system is _____?
A. command-line interface
B. device interface
C. batch interface
D. graphical user interface
E. None of these
64. Communication, operating system moves ____
A. processes
B. programs
C. packets
D. Modules
E. None of these
65. To point a folder or file a Graphical User Interface uses ___?
A. voice based interface
B. common line interface
C. file based interface
D. pointer
E. None of these
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