Operating System MCQ with Solutions for all Competitive Exams

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. Which of the following file name extension suggests that it is a backup copy of another file?

Options:a. Txt b. Com c. Bas d. Bak

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. Another term for hyperlink is

Options:a. Link b. Source c. Bar d. None of above

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. What should be the first step while OS upgrading?

Options:a. Delete old Operating System b. Backup old Operating System c. Backup Critical Data d. Format Hard Disks

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. Which program would you use to create copies of important information stored on your fixed disk drive?

Options:a. Scan disk b. Copy disk c. Back up d. None of above

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. Which of the following is not an advantage of open source operating system over proprietary version?

Options:a. Free to use and distribution b. Availability of technical support c. Availability of source code d. Ability to modify code

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. DOS uses a special batch file named?

Options:a. Autoexec.bat b. Autoexe.bat c. Autoexecute.bat d. Auto.bat

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. Where can you define the permanent path for DOS?

Options:a. Io.sys b. Config.sys c. Autoexec.sys d. Command . com

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. What should be the extension to execute automatically when OS is started?

Options:a. Command . com b. Any batch file c. Autoexec.bat d. Config.sys

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. Which file keeps commands to execute automatically when OS is started?

Options:a. command . com b. any batch file c. autoexec.bat d. config.sys

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. Which of the following is a correct association between a vendor and an operating system

Options:a. Redhat Linux b. Microsoft Unix c. AT & T DOS d. Novell Linux

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. … controls the way in which the computer system functions and provides a means by which users can interact with the computer

Options:a. The platform b. The operating system c. Application software d. The motherboard

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. Which one of the following is not a layer of operating system?

Options:a. Kernel b. Shell c. Application program d. Critical selection

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. Which is not the function of the operating system?

Options:a. Memory management b. Disk management c. Application management d. Virus protection

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. The virtual memory is

Options:a. An extremely large main memory b. An extremely large secondary memory c. An illusion of extremely large main memory d. A type of memory used in super computer

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. Internet Explorer is

Options:a. an Internet browser b. provided by Windows OS c. an access point for Word Wide Web d. All of above

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. Which of the following command is used to close the active window?

Options:a. Ctrl+F4 b. Ctrl+F5 c. Alt+F6 d. None of above

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. The shortcut key is used to open properties window of selected item is

Options:a. Ctrl+Enter b. Shift+Enter c. Alt+Enter d. None of above

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. The shortcut key to open a task manager is:

Options:a. Alt + F1 b. Alt + Ctrl + Delete c. Alt + Tab d. F1

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. Swapping

Options:a. Works best with many small partitions b. Allows many programs to use memory simultaneously c. Allows each program in turn to use the memory d. Does not work with overlaying

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. The windows feature is the ability of computer to automatically configure a new hardware component is that

Options:a. Auto detect b. Plug and play c. Add remove hardware d. None of above

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. Which of the following is not a part of the control panel?

Options:a. Date and time b. My documents c. Add or remove program d. Display

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. The ….provides information about hardware installation, configuration and hardware status

Options:a. Device manager b. Control panel c. Add new hardware d. Program manager

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. Which of the following is a program group?

Options:a. Word pad b. Paint brush c. Accessories d. None of the above

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. A program in execution is called

Options:a. A Paging b. A Process c. A virtual memory d. A Demand Page

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. Using windows explorer, a plus (+) sign in front of a folder indicates

Options:a. An open folder b. The folder contains subfolder c. A text file d. A graphic file

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. What is Thrashing?

Options:a. A high paging activity is called thrashing. b. A high executing activity is called thrashing c. A extremely long process is called thrashing d. A extremely long virtual memory is called thrashing

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. A flashing or blinking light on the screen is called

Options:a. An icon b. A pixel c. A cursor d. None of the above

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. Operating system is

Options:a. A collection of software routines b. A collection of hardware components c. A collection of input and output devices d. All of above

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. An entire path name, consisting of several sub-directory name can contain up to

Options:a. 13 character b. 36 character c. 63 character d. 53 character

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. Which of the following file pattern encompasses the filenames having second character b ?

Options:a. *b??????.txt b. ?b******.txt c. 2b*.txt d. ?b*.txt

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. Label name can be up to

Options:a. 10 character b. 63 character c. 11 character d. All of above

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. The delete confirmation generated by …switch

Options:a. /p b. /b c. /w d. /c

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. Which switch will be used in dir to see screen full contents of disk at a time?

Options:a. /s b. /w c. /p d. /b

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. What is the default file extension created by notepad?

Options:a. .doc b. .html c. .txt d. .tif

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. Which of the following is not the user file extension?

Options:a. .ppt b. .xls c. .sys d. .#do

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. Which of the following is extension of WordPad?

Options:a. .ppt. b. .xls c. .rtf d. None of above

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. First operating system was developed in

Options:a. 1958 b. 1976 c. 1950 d. 1946

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. Which is an internal command?

Options:a. Scandisk b. XCOPY c. Deltree d. None of the above

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. The Search tool CANNOT be used on which major Access object?

Options:a. Forms b. Queries c. Reports d. Tables

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. In a table, ______(s) are displayed in the order in which they were entered. Most often this order is not useful.

Options:a. formula b. format c. layout d. record

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. The ______ is a wild card that represents one or more characters.

Options:a. question mark b. asterisk c. exclamation mark d. dollar sign

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. Which is not an option for Filter on a text field?

Options:a. Begins With b. Between c. Contains d. End With

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. The Search tool is best used when searching for ______ data.

Options:a. simple b. multiple c. unique d. formatted

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. Which of the following Find and Replace dialog box options finds records in which the beginning of a field matches the Find What entry?

Options:a. Match Case b. Match: Whole Field c. Match: Start of Field d. Match: Any Part of Field

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. Which of the following functions CANNOT be used in the Totals row?

Options:a. Average b. Count c. Maximum d. Round

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. Before printing a datasheet, you can use ____ to determine whether to change the page orientation from portrait to vertical orientation.

Options:a. Design View b. Datasheet View c. Office View d. Print Preview

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. What is the keyboard shortcut to move to the last records in a table?

Options:a. [Tab] b. [Shift]+[Tab] c. [Ctrl]+Home] d. [Ctrl]+[End]

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. A ____ is a major database object used to display information in an attractive, easy-to-read screen format.

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