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OS MCQ and Objective Questions Part 3 | Operating System MCQ | Operating System Objective type Questions

About Operating System : An operating system i.e. OS is a system software, which is bridge of Device hardware and software. It is also manage device hardware and device applications and provide access to the users. Actually OS is a program which is developed by device (like computer, laptop, mobile etc) manufacturer. It is designed for the specific purpose and for better experience to the users. The main function of OS is to manage user input and output command, mass storage, time sharing, speed,, etc.
               There are many Operating system available in the market like: Microsoft Window, MacOS, Linux, Android, iOS. There are many types of Operating System, which is depended upon user and tasking:
Single tasking and multi tasking: In the single tasking system only one program run at a time but in the multi tasking more than one program run at a time.
Single User and multi user: In the Single user system only one user access at a time but in the multi user system more than one user access system at a time.

51. Which command is used to display the contents of the text file of DOS?
A Copy con
B Copy
C Type
D Dir
ANS
52. In Windows, start button is used to
A Run applications
B Device setting
C Turn off the system
D All of above
ANS


53. Which of the following is an essential file of a MS-DOS boot disk?
A COMMAND.COM
B START.COM
C TREE.COM
D VER.COM
ANS
54. Which one is true for unconditional disk formatting?
A Destroys every byte of data on a disk by overwriting it with with blank spaces
B Do not check/scan surface after format
C Transfer system files after format
D All of above
ANS
55. Once text has been cut to the clipboard, you can .....that text into another document
A Paste
B Copy
C Transfer
D None of the above
ANS
56. What is the function of radio button?
A To select multiple option
B To select single option
C To select all option
D All of above
ANS

57. The Banker's algorithm is used
A to rectify deadlock
B to detect deadlock
C to prevent deadlock
D to slove deadlock
ANS
58. The primary purpose of an operating system is:
A To make the most efficient use of the computer hardware
B To allow people to use the computer
C To keep systems programmers employed
D To make computers easier to use
ANS
59. The primary purpose of an operating system is a ...
A To make the most efficient use of computer hardware
B To allow people to use the computer
C To keep system programmer employed
D To make computer easier to use
ANS
60. You can use print manage window
A To check status of files in the print queue
B To cancel the print job
C To interrupt printing
D All of the above
ANS


61. Which of the following operating system reads and reacts in actual time?
A Quick Response System
B Real Time System
C Time Sharing System
D Batch Processing System
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

62. All of the following are TRUE regarding virtual memory EXCEPT
A Any amount of RAM can be allocated to virtual memory
B The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
C This temporary storage is called the swap file or page file
D Virtual memory is the physical space o the hard drive
ANS
63. The essential difference between an operating system like Linux and one like Windows is that
A Windows can run with an Intel processor, whereas Linux cannot
B Linux is a proprietary whereas Windows is not
C There are multiple versions of Linux, but only one version of Windows
D Any programmer can modify Linux code which is not permitted with Windows
ANS
64. What is dispatch latency?
A The time taken by the dispatcher to stop one process and start another
B The time taken by the processor to write a file into disk
C The whole time taken by all processor
D None of Above
ANS
65. A page fault occurs when
A the Deadlock happens
B the Segmentation starts
C the page is found in the memory
D the page is not found in the memory
ANS
66. Whenever you move a directory from one location to another
A All files inside the directory are moved
B All the subdirectory inside that directory are moved
C The directory is moved the source file is not moved
D Both a and b
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

67. The Basic Input Output System (BIOS) resides in
A RAM
B ROM
C The CPU
D Memory Cache
ANS


68. Which of the following does not occur during the power-on-selftest (POST)?
A The scandisk utility begins to run
B The video card and video memory are tested
C The BIOS identification process occurs
D Memory chip are checked to ensure that they are working properly
ANS
69. The maximum size of a write file is limited to only
A Name of the file
B Extension of the file
C The amount of memory in your computer
D All of above
ANS
70. Which of the following is drop down list?
A List
B Combo box
C Text area
D None
ANS
71. Recently deleted files are stored in
A Recycle bin
B Desktop
C Taskbar
D My computer
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

72. Which components appear in the initial Windows start up display?
A Dialog boxes
B Start menu
C Taskbar
D All of above
ANS
73. 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
ANS
74. An operating system version designed for use with a media center PC is Microsoft Windows XP
A Home edition
B Media center edition
C Tablet PC edition
D None of above
ANS
75. An operating system version designed for use with a tablet PC is Microsoft Windows XP
A Home edition
B Media center edition
C Tablet PC edition
D None of the above
ANS

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