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450+ Basics of Operating System Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Common Topics in Competitive and Entrance exams .

351.

What should be the extension to execute files?

A. EXE
B. BAT
C. COM
D. All of the above
Answer» D. All of the above
352.

Part of the POST process is to ensure that the test of essential peripheral device coincides with the hardware configuration that stored in

A. ROM
B. The hard drive
C. CMOS
D. Cache Memory
Answer» C. CMOS
353.

The memory resident portion of operating system is called the

A. Registry
B. API
C. CMOS
D. Kernel
Answer» D. Kernel
354.

What is the easiest method to run MS Dos in Windows environment?

A. My computer
B. Go to Dos from Start menu
C. Click on icon on desktop
D. Type Command in run dialog box
Answer» D. Type Command in run dialog box
355.

Boot startup process

A. Loads system files to RAM
B. Checks the computer connections
C. Clean up the computer memory
D. Prepare the computer ready
Answer» A. Loads system files to RAM
356.

The command fixes the minor errors of the disk

A. Error.fix
B. Scandisk
C. CHKDSK/f
D. Defrag
Answer» C. CHKDSK/f
357.

Which is an internal command?

A. Label
B. Verify
C. CHKDSK
D. All of above
Answer» B. Verify
358.

The command allows you to show the status of the disk

A. Vol
B. Diskcomp
C. CHKDSK
D. Defrag
Answer» C. CHKDSK
359.

The command allows you to show the status of the disk is

A. Vol
B. Diskcomp
C. CHKDSK
D. Defrag
Answer» C. CHKDSK
360.

Which of the following command is an internal command?

A. Del
B. Scandisk
C. CHKDSK
D. Deltree
Answer» A. Del
361.

Which among the following are the best tools for fixing the errors?

A. Fdisk
B. Scandisk
C. CHKDSK
D. Fixdisk
Answer» B. Scandisk
362.

Which command is not an internal command?

A. Dir
B. Edit
C. CD
D. CLS
Answer» B. Edit
363.

Which command does not exist in DOS?

A. Sum
B. CLS
C. CD
D. Dir
Answer» A. Sum
364.

To make directory

A. MKD
B. MKDIR
C. CD
D. All of the above
Answer» B. MKDIR
365.

When you delete file, where it resides?

A. Briefcase
B. Recycle bin
C. CD
D. Desktop
Answer» B. Recycle bin
366.

Which of the following memory unit that processor can access more rapidly

A. Main Memory
B. Virtual Memory
C. Cache memory
D. Read Only Memory
Answer» C. Cache memory
367.

Which is the system prompt?

A. c>
B. c:\>
C. c:>
D. None
Answer» B. c:\>
368.

What will be the output of command prompt $l$p$g

A. C:/>
B. <C:\>
C. C:<>
D. None of above
Answer» B. <C:\>
369.

Where you can find the font?

A. C:\Font
B. C:\windows\font
C. C:\control panel\font
D. All of above
Answer» B. C:\windows\font
370.

What will be the output of the command prompt $l$p$g?

A. <c:\>
B. /C
C. C:\
D. C:<\>
Answer» A. <c:\>
371.

If we use the command prompt $P$L which of the following prompt may be set?

A. C :\>
B. C:
C. C:\
D. C :\<
Answer» D. C :\<
372.

Usually, in MS DOS the primary hard disk drives has the drive letter

A. A
B. B
C. C
D. D
Answer» C. C
373.

Usually, in MSDOS, the primary hard disk drives has the drive letter ____

A. A
B. B
C. C
D. D
Answer» C. C
374.

Small pictures appear on the desktop

A. Windows
B. Icon
C. Button
D. None of above
Answer» B. Icon
375.

What are the requirements for the solution to critical section problem?

A. Mutual Exclusion
B. Progress
C. Bounded Waiting
D. All of Above
Answer» D. All of Above
376.

Which of the following is the system tool?

A. Backup
B. Disk defragmenter
C. Both of above
D. File
Answer» C. Both of above
377.

A graphical user interface displays

A. Graphics
B. Text
C. Both of above
D. None of above
Answer» C. Both of above
378.

To clear the content of recent opening files from document folder

A. Start >> setting >> choose taskbar and start menu
B. Start >> program and choose clear content
C. Both of above
D. None of above
Answer» A. Start >> setting >> choose taskbar and start menu
379.

You can load character map by

A. Program >> accessories >> system tools >> character map
B. Program >> Microsoft >> System tools >> character map
C. Both of above
D. None of above
Answer» A. Program >> accessories >> system tools >> character map
380.

To change the screen saver you can go from

A. Control panel display
B. Right click in desktop and properties
C. Both of above
D. None of these
Answer» C. Both of above
381.

By using RD command, directory with files can be removed or not

A. Removed
B. Not removed
C. Both a and b
D. None of above
Answer» B. Not removed
382.

You can add or remove program

A. Add/remove program from control panel
B. Delete the shortcut icon from desktop
C. Both a and b
D. None of above
Answer» A. Add/remove program from control panel
383.

The ....is a temporary storage area in memory where you can attach text or graphics information

A. Clipboard
B. Copyboard
C. Both a and b
D. None of above
Answer» A. Clipboard
384.

An embedded object might appear in a document as

A. Embedding
B. Linking
C. Both
D. None of above
Answer» A. Embedding
385.

When a computer is first turned on or restarted, a special type of absolute loader called

A. Compile and go loader
B. Boot loader
C. Bootstrap loader
D. Relating loader
Answer» C. Bootstrap loader
386.

When a computer is first turned on or restarted, a special type of absolute loader called ____ is executed

A. Compile and Go loader
B. Boot loader
C. Bootstrap loader
D. Relating loader
Answer» C. Bootstrap loader
387.

In which type of the following OS, the response time is very crucial.

A. Network Operating System
B. Real Time Operating System
C. Batch Operating System
D. Unix Operating System
Answer» B. Real Time Operating System
388.

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

A. Txt
B. Com
C. Bas
D. Bak
Answer» D. Bak
389.

Another term for hyperlink is

A. Link
B. Source
C. Bar
D. None of above
Answer» A. Link
390.

Which file extension suggests that the file in a backup copy of files?

A. COM
B. BAS
C. BAK
D. TXT
Answer» C. BAK
391.

What should be the first step while OS upgrading?

A. Delete old Operating System
B. Backup old Operating System
C. Backup Critical Data
D. Format Hard Disks
Answer» C. Backup Critical Data
392.

Which of the following Is not a system tool?

A. Scandisk
B. Drive space
C. Backup
D. Skin disk
Answer» D. Skin disk
393.

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

A. Scan disk
B. Copy disk
C. Back up
D. None of above
Answer» C. Back up
394.

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

A. Free to use and distribution
B. Availability of technical support
C. Availability of source code
D. Ability to modify code
Answer» B. Availability of technical support
395.

DOS uses a special batch file named?

A. Autoexec.bat
B. Autoexe.bat
C. Autoexecute.bat
D. Auto.bat
Answer» A. Autoexec.bat
396.

Where can you define the permanent path for DOS?

A. Io.sys
B. Config.sys
C. Autoexec.sys
D. Command.com
Answer» C. Autoexec.sys
397.

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

A. Command.com
B. Any batch file
C. Autoexec.bat
D. Config.sys
Answer» C. Autoexec.bat
398.

Where you can define permanent path in DOS?

A. Io.sys
B. Config.sys
C. Autoexec.bat
D. Command.com
Answer» C. Autoexec.bat
399.

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

A. command.com
B. any batch file
C. autoexec.bat
D. config.sys
Answer» C. autoexec.bat
400.

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

A. Redhat Linux
B. Microsoft Unix
C. AT & T DOS
D. Novell Linux
Answer» A. Redhat Linux

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