650+ Operating System (OS) Solved MCQs

1.

If there are multiple recycle bin for a hard disk

A. you can setdifferent size for each recycle bin
B. you can choose which recycle bin to use to store your deleted files
C. you can make any one of them default recycle bin
D. none of above
Answer» A. you can setdifferent size for each recycle bin
2.

Identify false statement

A. you can find deleted files in recycle bin
B. you can restore any files in recycle bin if you ever need
C. you can increase free spaceof disk by sending files in recycle bin
D. you can right click and choose empty recycle bin to clean it at once
Answer» C. you can increase free spaceof disk by sending files in recycle bin
3.

If the displayed system time and dateis wrong, you can reset it using

A. write
B. calendar
C. write file
D. control panel
Answer» D. control panel
4.

You should save your computer from?

A. viruses
B. time bombs
C. worms
D. all of the above
Answer» D. all of the above
5.

World Wide Web is being standard by

A. worldwide corporation
B. w3c
C. world wide consortium
D. world wide web standard
Answer» B. w3c
6.

A co-processor

A. is relatively easy to support in software
B. causes all processor to function equally
C. works with any application
D. is quite common in modern computer
Answer» A. is relatively easy to support in software
7.

A Microsoft Windows is .....a(n)

A. operating system
B. graphic program
C. word processing
D. database program
Answer» A. operating system
8.

Which of the following is program group?

A. accessories
B. paint
C. word
D. all of above
Answer» A. accessories
9.

Which is not application software?

A. windows nt
B. page maker
C. winword xp
D. photoshop
Answer» A. windows nt
10.

Which of the following is an example of a real time operating system?

A. lynx
B. ms dos
C. windows xp
D. process control
Answer» D. process control
11.

Which of the following operating system does not implement the multitasking truly?

A. windows 98
B. windows nt
C. windows xp
D. ms dos
Answer» D. ms dos
12.

Which of the following windows versionsupport64 bit processor?

A. windows 98
B. windows 2000
C. windows xp
D. windows 95
Answer» C. windows xp
13.

Which of the following Operating System does not implement multitasking truly?

A. windows 98
B. windows nt
C. windows xp
D. ms dos
Answer» D. ms dos
14.

What program runs first aftercomputer is booted and loading GUI?

A. desktop manager
B. file manager
C. windows explorer
D. authentication
Answer» D. authentication
15.

Which of the following operating system do you choose to implement a client server network?

A. ms dos
B. windows
C. windows 98
D. windows 2000
Answer» D. windows 2000
16.

Which of the following Operating systems is better for implementing a Client-Server network

A. ms dos
B. windows 95
C. windows 98
D. windows 2000
Answer» D. windows 2000
17.

My Computer was introduced from

A. windows 3.1
B. windows 3.11
C. windows 95
D. windows 98
Answer» C. windows 95
18.

Which of the following Windows do not have Start button

A. windows vista
B. windows 7
C. windows 8
D. none of above
Answer» C. windows 8
19.

Which is the latest version of MS Windows?

A. windows 2007
B. windows 8.1
C. windows 2008
D. windows 7
Answer» B. windows 8.1
20.

Which operating system doesn't support networking between computers?

A. windows 3.1
B. windows 95
C. windows 2000
D. windows nt
Answer» A. windows 3.1
21.

Which of the following does not support more than one program at a time?

A. dos
B. linux
C. windows
D. unix
Answer» A. dos
22.

Which of the following is not an operating system?

A. dos
B. linux
C. windows
D. oracle
Answer» D. oracle
23.

Linux isa(n) ... operating system

A. open source
B. microsoft
C. windows
D. mac
Answer» A. open source
24.

Which operating system can you give smallest file name?

A. ps/2
B. dos
C. windows
D. windows nt
Answer» B. dos
25.

Which one is notoperating system?

A. p11
B. os/2
C. windows
D. unix
Answer» A. p11
26.

Which of the following is not a multitasking operating system?

A. windows
B. linux
C. win nt
D. dos
Answer» D. dos
27.

You should choose Sleep option when

A. the computer is tired after working for the whole day
B. you are leaving for a very short time and want to resume you work shortly
C. whencomputer gets hanged frequently. let it sleep for some time
D. you finish working and going to bed
Answer» B. you are leaving for a very short time and want to resume you work shortly
28.

The .... displays the name of every computer user on the computer

A. wish list screen
B. command screen
C. welcome screen
D. none of the above
Answer» C. welcome screen
29.

The category of software most appropriate for controlling the design and layout of complex document like newsletters and brochure is:

A. word processing
B. computer aided design
C. web page authoring
D. desktop publishing
Answer» D. desktop publishing
30.

Which one is not a system tool?

A. backup
B. disk defragment
C. virus scanning
D. all of the above
Answer» C. virus scanning
31.

The memory which allocates space for DOS and application is called

A. expanded memory
B. cache memory
C. virtual memory
D. conventional memory
Answer» D. conventional memory
32.

The operating system creates ... from the physical computer

A. virtual space
B. virtual computer
C. virtual device
D. none
Answer» B. virtual computer
33.

The operating system creates _____ from the physical computer

A. virtual space
B. virtual computers
C. virtual device
D. none
Answer» B. virtual computers
34.

Which menu bar selection would you access to openfile?

A. option
B. help
C. view
D. none of above
Answer» D. none of above
35.

Which mode loadsminimal set of drivers when starting Windows?

A. safe mode
B. normal mode
C. vga mode
D. network support mode
Answer» A. safe mode
36.

Which of the following are loaded in safe mode?

A. keyboard driver
B. mouse driver
C. vga drive
D. all of above
Answer» D. all of above
37.

A .... is a named location on a disk where files are stored

A. folder
B. pod
C. version
D. none of the above
Answer» A. folder
38.

Which command is used to see the version of operating system?

A. vol
B. version
C. ver
D. none of the above
Answer» C. ver
39.

Which type of command requires additional files to perform specific operations?

A. internal commands
B. external commands
C. valuable commands
D. primary commands
Answer» B. external commands
40.

Which of the following is system software?

A. operating system
B. compiler
C. utilities
D. all of the above
Answer» D. all of the above
41.

A user-interface that is easy to use is considered to be

A. user-happy
B. user-simple
C. user-friendly
D. none of the above
Answer» C. user-friendly
42.

A ....is a flash memory storage device that plugins into a USB port

A. usb snapdrive
B. usb flashdrive
C. usb memory makerdrive
D. none of above
Answer» B. usb flashdrive
43.

The ....is the drive containing the files to be copied

A. source drive
B. destination drive
C. usb drive
D. none of the above
Answer» A. source drive
44.

The number of character contained in primary name (DOS)?

A. up to 8 characters
B. 3 characters
C. up to 10 characters
D. none of the above
Answer» A. up to 8 characters
45.

Which one of the following is not a multitasking operating system?

A. dos
B. windows
C. unix
D. linux
Answer» A. dos
46.

The most recent version of MAC OS is based on the ... operating system

A. windows
B. linux
C. unix
D. cmos
Answer» C. unix
47.

The ...operating system was initially created in the early 1970s at AT and T's Bell Labs

A. linux
B. dos
C. unix
D. gnu
Answer» C. unix
48.

Which command is used to undelete a bunch of files withextension .doc that you have just deleted?

A. undelete
B. undelete/all
C. undelete *.doc
D. all of above
Answer» C. undelete *.doc
49.

Which command is used to display the contents of the text file of DOS?

A. copy con
B. copy
C. type
D. dir
Answer» C. type
50.

In Windows,start button is used to

A. run applications
B. device setting
C. turn off the system
D. all of above
Answer» D. all of above
51.

Which of the following is an essential file ofa MS-DOS boot disk?

A. command.com
B. start.com
C. tree.com
D. ver.com
Answer» A. command.com
52.

Which one is true for unconditional disk formatting?

A. destroys every byte of data on a disk by overwriting itwith with blank spaces
B. do not check/scan surface after format
C. transfer system files after format
D. all of above
Answer» A. destroys every byte of data on a disk by overwriting itwith with blank spaces
53.

Oncetext has been cut to the clipboard, you can .....that text into another document

A. paste
B. copy
C. transfer
D. none of the above
Answer» A. paste
54.

What is the function ofradio button?

A. to select multiple option
B. to select single option
C. to select all option
D. all of above
Answer» B. to select single option
55.

The Banker's algorithm is used

A. to rectify deadlock
B. to detect deadlock
C. to prevent deadlock
D. to slove deadlock
Answer» C. to prevent deadlock
56.

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
Answer» A. to make the most efficient use of the computer hardware
57.

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
Answer» A. to make the most efficient use of computer hardware
58.

You can use print manage window

A. to checkstatus of files in the print queue
B. to cancel the print job
C. to interrupt printing
D. all of the above
Answer» D. all of the above
59.

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
Answer» B. real time system
60.

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 canbe 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
Answer» A. any amount of ram can be allocated to virtual memory
61.

The essential difference between an operating system like Linux and one like Windows is that

A. windows can run with an intelprocessor, 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
Answer» D. any programmer can modify linux code which is not permitted with windows
62.

What is dispatch latency?

A. the timetaken by the dispatcher to stop one process and start another
B. the timetaken by the processor to write a file into disk
C. the whole timetaken by all processor
D. none ofabove
Answer» A. the timetaken by the dispatcher to stop one process and start another
63.

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
Answer» D. the page is not found in the memory
64.

Whenever you move a directory from one location to another

A. all files inside the directory are moved
B. all the subdirectory inside that directoryare moved
C. the directory is moved the source file is not moved
D. both a and b
Answer» D. both a and b
65.

The Basic Input Output System (BIOS) resides in

A. ram
B. rom
C. the cpu
D. memory cache
Answer» B. rom
66.

Which of the following does not occur during the power-on-self-test (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 chipare checked to ensure that they are working properly
Answer» A. the scandisk utility begins to run
67.

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
Answer» C. the amount of memory in your computer
68.

Which of the following is drop down list?

A. list
B. combo box
C. text area
D. none
Answer» B. combo box
69.

Recently deleted files are stored in

A. recycle bin
B. desktop
C. taskbar
D. my computer
Answer» A. recycle bin
70.

Which components appear in the initial Windows start up display?

A. dialog boxes
B. start menu
C. taskbar
D. all of above
Answer» C. taskbar
71.

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
Answer» D. system tray
72.

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
Answer» B. media center edition
73.

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
Answer» C. tablet pc edition
74.

The date and time displays on

A. taskbar
B. status bar
C. system tray
D. launch pad
Answer» C. system tray
75.

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

A. operating system
B. application system
C. system software
D. all of above
Answer» A. operating system
76.

Which runs on computer hardware and serve as platform for other software to run on?

A. operating system
B. application software
C. system software
D. all
Answer» A. operating system
77.

... is the program run on a computer when the computer boots up

A. system software
B. operating system
C. system operations
D. none
Answer» B. operating system
78.

Which is the first program run on a computer when the computer boots up?

A. system software
B. operating system
C. system operations
D. none
Answer» B. operating system
79.

The ....contains commands associated with the My Computer window

A. standard menu
B. start menu
C. system menu
D. none of the above
Answer» C. system menu
80.

.... is the layer of a computer system between the hardware and the user program

A. operating environment
B. operating system
C. system environment
D. none of these
Answer» B. operating system
81.

Which is the layer of a computer system between the hardware and the user program

A. operating environment
B. operating system
C. system environment
D. none
Answer» B. operating system
82.

When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called

A. bootstrap
B. power on self test (post)
C. system configuration
D. kernel loading
Answer» B. power on self test (post)
83.

The operating system is the most common type of .... Software

A. communication
B. application
C. system
D. word processing software
Answer» C. system
84.

Which of the following is/are external commands?

A. edit
B. label
C. sys
D. all of above
Answer» D. all of above
85.

Which is not an external command?

A. edit
B. xcopy
C. sys
D. none of the above
Answer» D. none of the above
86.

Which of the following is not essential to shut down your computer?

A. save all opened files
B. close all running applications
C. switch off monitor
D. cut off the power supply
Answer» C. switch off monitor
87.

What is Dr. Watson?

A. it expert
B. diagnosis tool
C. surgeon
D. none
Answer» B. diagnosis tool
88.

The command allows you to create logical drive

A. sort
B. path
C. subst
D. batch
Answer» C. subst
89.

The command used to create logical drive for specific location of disk

A. fdisk
B. format
C. subst
D. all of the above
Answer» C. subst
90.

You can move a window to a different position on your screen by dragging it by its

A. move handle
B. tail
C. status bar
D. title bar
Answer» A. move handle
91.

A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is

A. menu bar
B. tool bar
C. status bar
D. task bar
Answer» D. task bar
92.

Which components appear in the initial windows start up display?

A. dialog box
B. task bar
C. start menu
D. all of the above
Answer» B. task bar
93.

Taskbar is used for

A. navigation program
B. switching between program
C. start a program
D. all of above
Answer» D. all of above
94.

To install the new font

A. start -> setting -> control panel -> font
B. start -> setting -> control panel -> font -> install new font
C. start -> control panel -> font -> install new font
D. start -> setting -> font
Answer» B. start -> setting -> control panel -> font -> install new font
95.

When a peripheral device needs immediate attention from the operating system, it generatesa(n)

A. interrupt
B. spool
C. stack
D. page file
Answer» A. interrupt
96.

Underlined text, such as text and folder names is referred to as

A. hyperlink
B. menu
C. source drive
D. none of these
Answer» A. hyperlink
97.

Which of the following is suitable after you install new drivers?

A. shut down
B. restart
C. sleep
D. hibernate
Answer» B. restart
98.

Windows displays various options to shutdown. Which is suitable at the end ofday?

A. shut down
B. restart
C. sleep
D. hibernate
Answer» A. shut down
99.

If a process fails, most operating system write the error information to a

A. log file
B. another running process
C. new file
D. none of the mentioned
Answer» A. log file
100.

Brain of computer is                          

A. control unit
B. arithmetic and logic unit
C. central processing unit
D. memory
Answer» C. central processing unit
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