DOS (Disk Operating System)Interview Questions And Answers

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DOS (Disk Operating System) Interview Questions And Answers

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Question # 1Which of the following shutdown method is often called Warm Boot?a. Shut Downb. Restartc. Sleepd. Hibernate

Answer:-b. RestartRead More Answers.

Question # 2______ is most often done after fixing a problem, adding a new program or making configuration change.a. Shut Downb. Restartc. Sleepd. Hibernate

Answer:-b. RestartRead More Answers.

Question # 3___ is a compromise mode between Shut Down and Sleep mode because it does not consume power and remembers the current state of your desktop.a. Shut Downb. Restartc. Sleepd. Hibernate

Answer:-d. HibernateRead More Answers.

Question # 4You should choose this mode if you don't know how long you won't use your computer but want to have the same desktop state when you resume.a. Shut Downb. Restartc. Sleepd. Hibernate

Answer:-d. HibernateRead More Answers.

Question # 5The category of operating system that you most likely have running on your PDA computer is a .... Operating system.a. Real timeb. Single user, single taskc. Single user, multitaskd. Multiuser, multitask

Answer:-

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b. Single user, single taskRead More Answers.

Question # 6Running multiple programs at the same time is called:a. Multitaskingb. Foreground taskingc. Single taskingd. Symmetric

Answer:-a. MultitaskingRead More Answers.

Question # 7What is the meaning of "Hibernate" in Windows XP/Windows 7?a. Restart the Computer in safe modeb. Restart the Computer in hibernate modec. Shutdown the Computer terminating all the running applicationsd. Shutdown the Computer without closing the running applications

Answer:-d. Shutdown the Computer without closing the running applicationsRead More Answers.

Question # 8The function of Dir/W is:a. Show all details of fileb. Show only file name and directory namec. Shows only directoryd. All of the above

Answer:-b. Show only file name and directory nameRead More Answers.

Question # 9Page stealing:a. Is a sign of an efficient systemb. Is taking page frame from other working setsc. Should be the turning goald. Is taking layer disk space for page in page out

Answer:-b. Is taking page frame from other working setsRead More Answers.

Question # 10What do you mean by dialog box?a. Interactive message boxb. Group of optionsc. Set of controlsd. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 11Dial up connection allows you to:a. Connect ISPb. Internetc. Serverd. All of above

Answer:-a. Connect ISPRead More Answers.

Question # 12To properly exit Windows:a. Click the stop button on the desktopb. Click the exit button on the desktop

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c. Select shut down from Start menud. None of above

Answer:-c. Select shut down from Start menuRead More Answers.

Question # 13Which is not a system tool?a. Folderb. Backupc. Scandiskd. Format

Answer:-a. FolderRead More Answers.

Question # 14A utility that can be used to minimize the number of fragmented files and enhance the speed:a. Disk spaceb. Defragc. Scandiskd. Double space

Answer:-b. DefragRead More Answers.

Question # 15To change the volume label:a. Volb. Labelc. Scandiskd. None

Answer:-b. LabelRead More Answers.

Question # 16To save your computer from viruses you will do:a. Install antivirus software and run itb. Make physical safe for the removal diskc. Scan the removable disk before using itd. All of the above

Answer:-a. Install antivirus software and run itRead More Answers.

Question # 17How can you optimize performance of your computer?a. Delete unused filesb. Defrag diskc. Scan for virusd. All of above

Answer:-d. All of aboveRead More Answers.

Question # 18Scandiska. Checks the diskb. Give information about diskc. Run from DOS moded. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 19

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Batch file is used to:a. Run programb. Show the contentsc. run commands automaticallyd. All of above

Answer:-c. run commands automaticallyRead More Answers.

Question # 20Which of the following is a disk compression tools?a. Drive spaceb. Defragmenterc. Scandiskd. None of the above

Answer:-a. Drive spaceRead More Answers.

Question # 21...... are specially designed computer chips that reside inside other devices, such as your car or electric thermostat.a. Serverb. Embedded computerc. Robotic computerd. Mainframes

Answer:-b. Embedded computerRead More Answers.

Question # 22The title bar always displays on:a. Top of the open windowsb. Left side of the open windowc. Right side of the open windowd. All of above

Answer:-a. Top of the open windowsRead More Answers.

Question # 23Which of the following file menu option saves document to disk?a. Saveb. Createc. Renamed. All of above

Answer:-a. SaveRead More Answers.

Question # 24While working with MS DOS which command is used to change the extension of all file names ending with .txt to doc?a. Ren *.doc *.txtb. Ren .txt .docc. Ren file.doc file.textd. Ren a:*.doc *.doc

Answer:-a. Ren *.doc *.txtRead More Answers.

Question # 25Booting means:a. Restarting computerb. Installing programc. Removing errorsd. Switch off

Answer:-a. Restarting computer

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Read More Answers.

Question # 26......is an intermediate storage for deleted files.a. My computerb. My documentsc. Recycle bind. None of above

Answer:-c. Recycle binRead More Answers.

Question # 27Recently used application file list appears in the Windows operating system.a. Setting menub. Documents menuc. Run dialog boxd. Programs menu

Answer:-b. Documents menuRead More Answers.

Question # 28Which of the following is used to display the content of a certain drive or folder?a. Click the drive or folder while holding down the Alt keyb. Triple click the drive or folderc. Right click the drive or folderd. Double click the drive or folder

Answer:-d. Double click the drive or folderRead More Answers.

Question # 29RD command are used to:a. Remove an empty directoryb. Remove non empty directoryc. Remove directory including filesd. None of the above

Answer:-a. Remove an empty directoryRead More Answers.

Question # 30When you open my computer on desktop you see the information of:a. Hard diskb. CDc. Removable diskd. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 31We can start the application from?a. Log offb. Network placec. Recycle bind. Run

Answer:-d. RunRead More Answers.

Question # 32Which command is used to list out deleted files in DOS?a. listb. Undelete/listc. Recover

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d. All of the above

Answer:-b. Undelete/listRead More Answers.

Question # 33The question mark (?) indicates in file searching:a. A single characterb. A group of characterc. Questionsd. None of above

Answer:-a. A single characterRead More Answers.

Question # 34What do you type at the DOS command prompt to return back to Windows?a. Commandb. Exitc. Quitd. Return

Answer:-b. ExitRead More Answers.

Question # 35Save operation means:a. Put data into processorb. Put data into internal memoryc. Put data into secondary storaged. Put data into monitor

Answer:-c. Put data into secondary storageRead More Answers.

Question # 36CAD software is most likely to be used by:a. Web designerb. Engineersc. Project Managerd. Magazine Editor

Answer:-b. EngineersRead More Answers.

Question # 37A spooler is a:a. Location in memory that maintains the contents of documents until it prints outb. Queue of print job that are waiting to printc. Program that coordinates the print job that are waiting to processd. Message sent from the printer to the operating system when a print job is completed

Answer:-c. Program that coordinates the print job that are waiting to processRead More Answers.

Question # 38The problem with ..... file is that they slow your computer's operation.a. Fragmentedb. Formattedc. Programd. All of above

Answer:-a. FragmentedRead More Answers.

Question # 39

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User action such as keystroke or mouse click are referred to as:a. Interruptb. Tasksc. Processesd. Event

Answer:-d. EventRead More Answers.

Question # 40Which of the following is not process states?a. Newb. Runningc. Readyd. Finished

Answer:-d. FinishedRead More Answers.

Question # 41Which command is used to delete the directory and all of its contents in one step?a. Deltreeb. CDc. Rdd. Dir *.*

Answer:-a. DeltreeRead More Answers.

Question # 42What you type at the DOS command prompt to return back to windows?a. Commandb. Exitc. Quitd. Return

Answer:-b. ExitRead More Answers.

Question # 43Which is not external command?a. Doskeyb. Verifyc. Printd. Find

Answer:-b. VerifyRead More Answers.

Question # 44Which of the following separates primary file and extension is:a. Dotb. Periodc. Pointd. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 45To display a shortcut menu for an object you use:a. Click the objectb. Right click the objectc. Point the object and press Ctrl+Pd. Touch the object on the screen with your finger

Answer:-b. Right click the object

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Read More Answers.

Question # 46Operating system is a .....a. System softwareb. Application softwarec. Presentation softwared. Database software

Answer:-a. System softwareRead More Answers.

Question # 47All of the following are task performed by the operating system except:a. Managing hardware on the computerb. Controlling the access that application program has to the CPUc. Performing housekeeping task like file compression and disk defragmentationd. Provides an interface for user to interact with computer

Answer:-c. Performing housekeeping task like file compression and disk defragmentationRead More Answers.

Question # 48Which of the following is not an operating system?a. CP/Mb. Unixc. Pascald. MS DOS

Answer:-c. PascalRead More Answers.

Question # 49Underlined character on the menu or dialog box known as:a. Hot spotb. Hot keyc. Paned. Underline word

Answer:-b. Hot keyRead More Answers.

Question # 50Operating system is like a:a. Governmentb. Policec. Parliamentd. All of above

Answer:-a. GovernmentRead More Answers.

Question # 51Which key deletes text before, or to the left, of the insertion point?a. PageUpb. Deletec. PageDownd. BackSpace

Answer:-d. BackSpaceRead More Answers.

Question # 52The chunks of a memory are known as:a. Sectorb. Offsetc. Page

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d. Frame

Answer:-d. FrameRead More Answers.

Question # 53Start/restart the computer is called:a. Exitb. Runc. Optiond. Boot

Answer:-d. BootRead More Answers.

Question # 54Which file is transferred when computer is start up?a. Documentb. Program filesc. Operating systemd. System files

Answer:-d. System filesRead More Answers.

Question # 55Which of the following is an example of utility?a. Antivirusb. Wordc. Operating systemd. Data recovery

Answer:-a. AntivirusRead More Answers.

Question # 56.... system is built directly on the hardware.a. Environmentb. Systemc. Operatingd. None

Answer:-c. OperatingRead More Answers.

Question # 57Which is built directly on the hardware?a. Computer Environmentb. Application Softwarec. Operating Systemd. Database System

Answer:-c. Operating SystemRead More Answers.

Question # 58The purpose of run command in start menu is to:a. Launch internet browserb. Open internet explorerc. Open windows explorerd. Start programs

Answer:-d. Start programsRead More Answers.

Question # 59

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You can select My Computer icon and press Alt + Enter to:a. Delete it from desktop permanentlyb. Open it in Explorer modec. Open System Properties dialog boxd. Pin it on Start menu

Answer:-c. Open System Properties dialog boxRead More Answers.

Question # 60Generally quick launch toolbar is displayed on:a. the left side of taskbarb. the right side of taskbarc. on the middle of taskbard. a bar out of taskbar

Answer:-a. the left side of taskbarRead More Answers.

Question # 61Which is not a valid file system?a. FAT 16b. FAT 32c. NTFSd. FXZ

Answer:-d. FXZRead More Answers.

Question # 62Which file system DOS typically use?a. FAT 16b. FAT 32c. NTFSd. LMFS

Answer:-a. FAT 16Read More Answers.

Question # 63Which file system Windows 95 typically use?a. FAT 16b. FAT 32c. NTFSd. LMFS

Answer:-b. FAT 32Read More Answers.

Question # 64What is the method of handling deadlocks?a. Use a protocol to ensure that the system will never enter a deadlock state.b. Allow the system to enter the deadlock state and then recover.c. Pretend that deadlocks never occur in the system.d. All of the Above

Answer:-d. All of the AboveRead More Answers.

Question # 65To delete a file without allowing it to store in recycle bin:a. Press Delete keyb. Press Shift + Delete keyc. Press Ctrl + Delete keyd. Press Alt + Delete key

Answer:-b. Press Shift + Delete key

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Read More Answers.

Question # 66In Microsoft windows, the graphical pattern on the desktop used as background for windows is:a. Iconsb. Wall paperc. Pictured. Background

Answer:-b. Wall paperRead More Answers.

Question # 67Which of the following is not a mode in starting Windows?a. Command Promptb. Safe Modec. Normal Moded. Turbo Mode

Answer:-d. Turbo ModeRead More Answers.

Question # 68How do you connect internet in your system?a. My computer >> dialup networkingb. Control panel >> modemc. Network neighborhoodd. None of above

Answer:-a. My computer >> dialup networkingRead More Answers.

Question # 69Which one of the following is not the function of Operating System?a. Resource Managementb. File Managementc. Networkingd. Processor Management

Answer:-c. NetworkingRead More Answers.

Question # 70Which of the following is text browser?a. Lynxb. Hot Javac. Netscaped. Internet Explorer

Answer:-a. LynxRead More Answers.

Question # 71The following applications may appear on system tray except:a. System Clockb. Volume Controlc. Network Connectiond. MS Office Suite

Answer:-d. MS Office SuiteRead More Answers.

Question # 72Which of the following is default location of saving and opening file?a. Desktopb. My computerc. My documents

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d. All of above

Answer:-c. My documentsRead More Answers.

Question # 73By default we can save the file in:a. Desktopb. Recycle binc. My documentd. My computer

Answer:-c. My documentRead More Answers.

Question # 74____ is the operating systems File and folder Manager.a. Windows Explorerb. Windows Control Panelc. My Computerd. My Documents

Answer:-a. Windows ExplorerRead More Answers.

Question # 75It is used to explorer the contents of computer, drives as well as manage files:a. ( Space) b. My Documentc. My Computerd. My Network Place

Answer:-b. My DocumentRead More Answers.

Question # 76The OS used to operate the mobile phone is a:a. Smart card OSb. Embedded OSc. Multiuser OSd. None of above

Answer:-b. Embedded OSRead More Answers.

Question # 77The necessary conditions needed before deadlock can occur?a. No Mutual Exclusion, Hold and wait, Preemption, Circular Waitb. Mutual Exclusion, No Hold and wait, Preemption, Circular Waitc. Mutual Exclusion, Hold and wait, No Preemption, Circular Waitd. Mutual Exclusion, Hold and wait, Preemption, No Circular Wait

Answer:-c. Mutual Exclusion, Hold and wait, No Preemption, Circular WaitRead More Answers.

Question # 78Which of the following is default mode for Windows to start?a. Command Promptb. Safe Modec. Normal Moded. None of above

Answer:-c. Normal ModeRead More Answers.

Question # 79

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The file system "NTFS" stands for:a. New Type File Systemb. Never Terminated File Systemc. New Technology File Systemd. Non Terminated File System

Answer:-c. New Technology File SystemRead More Answers.

Question # 80What is the full form of NTFS:a. New Technology File Systemb. New Technical File Systemc. New Technician File Systemd. None of the above

Answer:-a. New Technology File SystemRead More Answers.

Question # 81UNIX operating system is a(n):a. Time sharing operating systemb. Multi-user operating systemc. Multi-tasking operating systemd. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 82The OS used to operate the mobile phone is a:a. Smart card OSb. Embedded OSc. Multi user OSd. None of above

Answer:-b. Embedded OSRead More Answers.

Question # 83.... is used in operating system to separate mechanism from policy.a. Single level implementationb. Two level implementationc. Multi level implementationd. None

Answer:-b. Two level implementationRead More Answers.

Question # 84______ is used in operating system to separate mechanism from policy.a. Single level implementationb. Two level implementationc. Multi level implementationd. None

Answer:-b. Two level implementationRead More Answers.

Question # 85Unix Operating System is an:a. Multi User Operating Systemb. Time Sharing Operating Systemc. Multi Tasking Operating Systemd. All the Above

Answer:-d. All the Above

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Question # 86Essential files of MS DOS are:a. Command.comb. Io.sysc. Msdos.sysd. All of above

Answer:-d. All of aboveRead More Answers.

Question # 87Which command is used to open the directory?a. Openb. Chdirc. Moved. All of above

Answer:-b. ChdirRead More Answers.

Question # 88What is the function of folder?a. Save filesb. Delete filesc. Move filesd. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 89The ability of an operating system to control the activities of multiple program at the same time is called:a. Multitaskingb. Multiprocessingc. Multioperatingd. Multipaging

Answer:-a. MultitaskingRead More Answers.

Question # 90Which Operating System doesn't support long file names?a. OS/2b. Windows 95c. MS-DOSd. Windows NT

Answer:-c. MS-DOSRead More Answers.

Question # 91We need system files to run:a. MS Wordb. MS Excelc. MS Dosd. MS Access

Answer:-c. MS DosRead More Answers.

Question # 92Which button might you find in a windows title bar?a. Close buttonb. Maximize buttonc. Minimize button

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d. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 93A .... is a set of computer instructions that carry out a task on the computer.a. Programb. Databasec. Memory filesd. None of the above

Answer:-a. ProgramRead More Answers.

Question # 94The box on ..... that allows you to choose where to go and is located below the standard toolbar.a. System menub. Address barc. Menu bard. None of these

Answer:-b. Address barRead More Answers.

Question # 95Which command is used to copy system files?a. Sysb. Commandc. MDd. Move

Answer:-a. SysRead More Answers.

Question # 96Press the .... button to have the window fill the entire screen.a. Closeb. Maximizec. Minimized. none of the above

Answer:-c. MinimizeRead More Answers.

Question # 97Which windows features can be accessed from the start menu?a. Helpb. Windows Explorerc. Microsoft Networkd. All of above

Answer:-d. All of aboveRead More Answers.

Question # 98While working with Ms-Dos which command transfers a specific file from one disk to another?a. Copyb. Diskcopyc. Timed. Rename

Answer:-a. CopyExplanation:For a specific file to copy from one disk to another disk, Copy command should be used. Diskcopy copies whole disk into new disk. Time command is to displaysystem time and Rename command just changes the name of a file.Read More Answers.

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Question # 99.... are list of commands that appear on the screen.a. GUISb. Iconsc. Menusd. Windows

Answer:-c. MenusRead More Answers.

Question # 100Which command divides the surface of the blank disk into sectors and assign a unique address to each one.a. Verb. Formatc. Fatd. Chkdsk

Answer:-b. FormatExplanation: Ver is used to display the version number of DOS in use. Fat command does not exist and Chkdsk is to check disk errors and fix it. Thus dividing surface into sectorsis done by Format command.Read More Answers.

Question # 101To make file in MS Dos we need command:a. Copyb. Copy conc. MDd. Make File

Answer:-b. Copy conRead More Answers.

Question # 102If you need to duplicate the entire disk, which command will you use?a. Copyb. Diskcopyc. Chkdskd. Format

Answer:-b. DiskcopyExplanation: Diskcopy is used to perform track-by-track copy of a disk into another. Copy command copies selected files; chkdsk and format commands are not for copyingpurpose.Read More Answers.

Question # 103Each time you turn on your computer, it will check on the control file:a. Command.com, io.sysb. Command.com, date.com, dir.comc. Command.com, io.sys, msdos.sysd. Chkdsk.exe

Answer:-c. command.com, io.sys, msdos.sysExplanation: command.com, io.sys and msdos.sys are the essential system files of MS-Dos. Loading these files from disk into memory is known as booting. Booting is the processof preparing your computer to work.Read More Answers.

Question # 104Which of the following extensions suggest that the file is a backup copy?a. Bakb. Basc. Comd. Txt

Answer:-a. BakExplanation:Bak extension is commonly used to store backup copies of files so that it can be restored later when original file is corrupted or deleted. Bas extension indicates thefile is a BASIC program source file, com is command file and txt is plain text file.

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Question # 105In MS-Dos 6.22, which part identifies the product uniquely.a. MSb. DOSc. Ms-DOSd. 6.22

Answer:-d. 6.22Explanation: MS stands for Microsoft, DOS is the name of operating system Disk Operating System, 6.22 is the version number that identifies the product.Read More Answers.

Question # 106In Ms-Dos what command you will use to display system date?a. Date commandb. Ver commandc. Disk commandd. Format command

Answer:-a. Date commandExplanation: Ver command displays the version number of Dos. There is no command as Disk. Format command prepares a disk to be used with DOS. Thus Date is the commandthat lets you to display and/or change the system date.Read More Answers.

Question # 107Which command lists the contents of current directory of a disk?a. Copyb. Treec. Cdd. Dir

Answer:-d. DirExplanation:Dir command lists the directory of current location. It includes the files, subdirectories and some other system information. Tree command is used to list the directorystructure in tree diagram; CD command to change directory and Copy command to copy a file into another.Read More Answers.

Question # 108If you don't know the current time, which command will you use to display.a. Copyb. Verc. Timed. Format

Answer:-c. TimeExplanation:Time command displays and allows you to change system time. TIME only displays the system time and TIME <time> is used to set new time as system time.Read More Answers.

Question # 109Only filenames and extensions are to be displayed in wide format, which command you'll use?a. Dir/wb. Dir a:c. Dir/sd. Dir/b

Answer:-a. Dir/wExplanation: Dir/w only displays the file names and extensions excluding file created date/time, file size. Second option dir a: will list the contents of A drive (floppy drive), thirddir/s lists current directory and its subdirectories too, dir/b displays bare format, that means, it just makes a list of files, no more information.Read More Answers.

Question # 110Which command displays all the files having the same name but different extensions?a. Dir filename.*b. Dir filename.extc. Dir *.sys

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d. Dir *.ext

Answer:-a. Dir filename.*Read More Answers.

Question # 111Which command should be used to display all files within the specified subordinate directory of the subdirectory?a. Dir pathnameb. Dir pathnamepathnamec. Dir / chd. Dir pathnamefilename

Answer:-b. Dir pathnamepathnameRead More Answers.

Question # 112Which command will be used to display a file within the specified directory of pathname?a. Dir pathnameb. Dir pathnamepathnamec. Dir/chd. Dir pathnamefilename

Answer:-d. Dir pathnamefilenameRead More Answers.

Question # 113Which command displays only file and directory names without size, date and time information?a. Dir/wb. Dir a:c. Dir /bd. Dir /s

Answer:-c. Dir /bExplanation: dir/b command barely lists the names of files and directories without any other information like size, date, time etc.Read More Answers.

Question # 114Which command displays comma for thousand separating on file size while listing?a. Dir/wb. Dir/sc. Dir/bd. Dir/c

Answer:-d. Dir/cExplanation: Using comma for separating thousand in file size is by default on. You can use dir/-c to remove comma from the listing. /C stands for comma.Read More Answers.

Question # 115Which command is used to display all the files having the (.exe) extension but different filename?a. Dir filename.*b. Dir filename.extc. Dir *.sysd. Dir *.ext

Answer:-d. Dir *.extExplanation:First two options are obviously wrong since specifying filename will list for that filename only. Since we need to list only with .ext extension fourth option is correct.Third option displays all files with sys extension.Read More Answers.

Question # 116Which command is used to delete the directory that is empty?a. Del *.*b. RDc. Erased. MD

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Answer:-b. RDExplanation:RD command or RMDIR commands can be used to remove a directory if it is empty. Del command and Erase commands are used to delete files not directories. MDcreates a new directory and can't remove directory.Read More Answers.

Question # 117Which command creates a directory or subdirectory?a. Dirb. Mkdirc. Mdd. Both b and c

Answer:-d. Both b and cExplanation:MK command and MKDIR both commands are equivalent and can be used to create subdirectories. Dir only lists directory but can't create.Read More Answers.

Question # 118Which command displays the directory list including files in tree structure?a. Dir/s/fb. Tree/fc. Tree/s/fd. Dir/f

Answer:-b. Tree/fExplanation: Tree command lists the directory structure in tree structure and /f switch of tree command includes the filenames in the structure.Read More Answers.

Question # 119Which command displays current directory name or change from one to another?a. Chdirb. Cdc. Mkdird. Both a and b

Answer:-d. Both a and bExplanation:CD and CHDIR commands are equivalent and both used to change current working directory to another one. MKDIR creates a new directory and can't be used tochange.Read More Answers.

Question # 120An entire path name, consisting of several sub-directory names can contain upto:a. 13 characterb. 36 characterc. 63 characterd. 53 character

Answer:-c. 63 characterRead More Answers.

Question # 121In which year the first operating system was developed?a. 1910b. 1940c. 1950d. 1980

Answer:-c. 1950Read More Answers.

Question # 122MS-DOS developed in:a. 1991b. 1984c. 1971

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d. 1961

Answer:-b. 1984Read More Answers.

Question # 123Maximum length of DOS command using any optional parameter is:a. 26 charactersb. 87 charactersc. 127 charactersd. None of above

Answer:-c. 127 charactersRead More Answers.

Question # 124Which file is the batch file that is read while booting a computer?a. Autoexec.batb. Auto-batchc. Autoexecutive.batd. Auto.bat

Answer:-a. Autoexec.batRead More Answers.

Question # 125Which command be used to clear the screen and display the operating system prompt on the first line of the display?a. Cdb. Mdc. Renamed. cls

Answer:-d. clsRead More Answers.

Question # 126Copy and Xcopy are same in the sense:a. Both are internal command of DOSb. Both are external commands of DOSc. Both can be used to copy file or group of filesd. Both a and b

Answer:-c. Both can be used to copy file or group of filesRead More Answers.

Question # 127Internal command in Dos are:a. Cls, rd labelb. Dir, ren, sysc. Time, type, dird. Del, disk copy, label

Answer:-c. Time, type, dirRead More Answers.

Question # 128Which command is used to copy files?a. Copyb. Diskcopyc. Typed. All of the above

Answer:-a. CopyRead More Answers.

Question # 129

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To copy the hidden system files of DOS to another disk you can use the command:a. Copyb. Renc. Sysd. Diskcopy

Answer:-c. SysRead More Answers.

Question # 130Which command is used to backup in DOS 6+ Version?a. BACKUPb. MSBACKUPc. MSBACKEDUPd. All of the above

Answer:-b. MSBACKUPRead More Answers.

Question # 131SYS command is used to:a. Copy DOS system files to new diskb. Copy DOS configuration files to a new diskc. Update the DOS system filesd. None of above

Answer:-a. Copy DOS system files to new diskRead More Answers.

Question # 132The command used to copy a file named temp.doc from drive C: to drive A: is:a. Copy temp.doc to a:b. Copy c:temp.doc a:c. Copy c: a:d. Copy temp a: c:

Answer:-b. Copy c:temp.doc a:Read More Answers.

Question # 133External command in DOS are:a. Copy, edit, sys, formatb. Edit, sys, chkdskc. Chkdsk, prompt, dated. Sys, ver, vol

Answer:-b. Edit, sys, chkdskRead More Answers.

Question # 134Which keys can be pressed quit without saving in DOS:a. Ctrl + Ab. Ctrl + Bc. Ctrl + Cd. Ctrl + D

Answer:-c. Ctrl + CRead More Answers.

Question # 135Disk copy command in DOS is used to:a. Copy a fileb. Copy contents of one floppy disk to anotherc. Copy contents of CD-ROM to anotherd. All of the above

Answer:-b. Copy contents of one floppy disk to another

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Read More Answers.

Question # 136Which command is used to get the current date only?a. Dateb. Timec. Secondd. All of the above

Answer:-a. DateRead More Answers.

Question # 137DEL command is used to:a. Delete filesb. Delete directoryc. Delete labelsd. Delete contents of file

Answer:-a. Delete filesRead More Answers.

Question # 138Which command be used to ask you to confirm that you want to delete the directory?a. Deltreeb. Deltree/fc. Del *.*/pd. Erase *.*

Answer:-c. Del *.*/pRead More Answers.

Question # 139In which version of DOS. CHKDSK command has been changed to SCANDISK?a. 5.0b. 6.2c. 6.0d. 6.2

Answer:-d. 6.2Read More Answers.

Question # 140CHKDSK command is used to:a. Analyze the hard disk errorb. Diagnose the hard disk errorc. Report the status of files on diskd. All of the above

Answer:-d. All of the aboveRead More Answers.

Question # 141DIR command is used to:a. Display a list of files in a directoryb. Display contents of files in directoryc. Display type of files in a sub directoryd. All of above

Answer:-a. Display a list of files in a directoryRead More Answers.

Question # 142CHKDSK can be used to find:a. Disk's bad portionb. Occupied spacec. Free space

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d. All of above

Answer:-d. All of aboveRead More Answers.

Question # 143To copy the file command.com from drive c: to drive a:a. Drive c: copy drive a:command.comb. C:A: copy command.comc. Copy c:command.com a:d. Both b and c

Answer:-c. Copy c:command.com a:Read More Answers.

Question # 144The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:a. DO NOT DELETEb. NO DELETEc. UNDELETEd. ONDELETE

Answer:-c. UNDELETERead More Answers.

Question # 145While working with MS-DOS which key is used to get the p[revious command used:a. F3b. F1c. F6d. F9

Answer:-a. F3Read More Answers.

Question # 146FAT stands for:a. File Accomodation Tableb. File Access Tapec. File Allocation Tabled. File Activity Table

Answer:-c. File Allocation TableRead More Answers.

Question # 147Which command is used to make a new directory?a. Mdb. Cdc. Rdd. None of above

Answer:-a. MdRead More Answers.

Question # 148Full form of MS-DOS is:a. Micro System Disk Operating Systemb. Micro Simple Disk Operating Systemc. Micro Soft Disk Operating Systemd. Micro Sort Disk Operating System

Answer:-c. Micro Soft Disk Operating SystemRead More Answers.

Question # 149

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Operating System is like a:a. Parliamentb. Secretaryc. Governmentd. None of the above

Answer:-c. GovernmentRead More Answers.

Question # 150Format command is used to:a. Prepare a blank diskb. Create a new blank disk from a used onec. Both of aboved. None of above

Answer:-c. Both of aboveRead More Answers.

Question # 151The following command set is correct according to their function:a. RD can MDb. DEL and ERASEc. CD and RDd. COPY and RENAME

Answer:-b. DEL and ERASERead More Answers.

Question # 152Which command is used to change the file name?a. Renb. Renamec. Both of aboved. None of above

Answer:-c. Both of aboveRead More Answers.

Question # 153While working with MS-DOS, which command is used to copying the files to transfer from one PC to another one?a. Renameb. Pathc. Dird. Copy

Answer:-d. CopyRead More Answers.

Question # 154RESTORE command is used to:a. Restore files from disks made using the BACKUP commandb. Restore files which are deletedc. Restore files from recycle bind. Restore files which are deleted recently

Answer:-a. Restore files from disks made using the BACKUP commandRead More Answers.

Question # 155xcopy command can copy:a. individual files or group of filesb. directories including subdirectoriesc. to diskette of a different capacityd. all of above

Answer:-d. all of above

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Read More Answers.

Question # 156Which command is used to clear the screen:a. Clsb. Clearc. Clscreend. All of above

Answer:-a. ClsRead More Answers.

Question # 157Generally, the DATE is entered in the form:a. DD-YY-MMb. YY-DD-MMc. MM-YY-DDd. MM-DD-YY

Answer:-d. MM-DD-YYRead More Answers.

Question # 158Which statement is correct?a. Directories can be kept inside a fileb. Files can not be kept inside a directoryc. 1 millisec = 10 ^ 3 secd. None of above

Answer:-c. 1 millisec = 10 ^ 3 secRead More Answers.

Question # 159Which statement is valid about "TIME" command?a. Time command is used to display and allow changes to the system timeb. Time format can be changed by changing in country setting in config.sys filec. MS DOS displays the time in 12-hour or 24-hour formatd. All of above

Answer:-d. All of aboveRead More Answers.

Question # 160The time command is used to display _____ time.a. US timeb. Greenwich Mean Timec. Julian Timed. System Time

Answer:-d. System TimeRead More Answers.

Question # 161Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information?a. Treeb. Deltree/fc. Dir | mored. Tree | more

Answer:-d. Tree | moreRead More Answers.

Question # 162Which command is used to provide access to files located in other directories or disks?a. Treeb. Pathc. Dir

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d. Cd

Answer:-b. PathRead More Answers.

Question # 163The vol command is used to:a. see the value of listb. see the veriety of languagec. see the disk volume labeld. see the volume of largest

Answer:-c. see the disk volume labelRead More Answers.

Question # 164The maximum length in DOS commands is:a. 80 charsb. 127 charsc. 100 charsd. 8 chars

Answer:-b. 127 charsRead More Answers.

Question # 165In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.a. Small letterb. Capital letterc. Both a and bd. None of above

Answer:-b. Capital letterRead More Answers.

Question # 166You can copy command.com to your disk from hard disk.a. trueb. false

Answer:-a. trueRead More Answers.

Question # 167What is the name of the batch file that is automatically run when MSDOS is booted?a. Run.batb. Config.sysc. Config.batd. Autoexec.bat

Answer:-d. Autoexec.batRead More Answers.

Question # 168Which command is used to see the disk volume label?a. Verb. Volc. Versiond. Volume

Answer:-b. VolRead More Answers.

Question # 169What will be the output of the command prompt $l$p$g?a. <c:>

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b. C:>c. C:>>d. C:<>

Answer:-a. <c:>Read More Answers.

Question # 170What is the switch that is used to make sure that the copy command copied files correctly?a. /ab. /cc. /sd. /v

Answer:-d. /vRead More Answers.

Question # 171Which command can be used to create the disk's tracks and sectors?a. Fdiskb. Formatc. Chkdskd. Attrib

Answer:-b. FormatRead More Answers.

Question # 172Which among the following are the best tools for fixing errors on disks?a. Fdiskb. Scandiskc. Chkdskd. Fixdsk

Answer:-b. ScandiskRead More Answers.

Question # 173Which command in DOS is used to display the version of MSDOS?a. VERSIONb. VERIFYc. VERd. VERSN

Answer:-c. VERRead More Answers.

Question # 174Which command is used to copy all files from drive a with extension .txt to the currently logged drive and directory?a. Copy a. *.txtb. Copy *.txt a:c. Copy *.txt c:d. Copy *.txt all.txt

Answer:-a. Copy a. *.txtRead More Answers.

Question # 175Which command is used to see the sub-directory structure of drive?a. Treeb. Listc. Subdird. Subtree

Answer:-a. TreeRead More Answers.

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Question # 176Which command is used to see the contents of a file?a. Typeb. Copyc. Edd. None of above

Answer:-a. TypeRead More Answers.

Question # 177Which command is used to create root directory and FAT on disk?a. Chkdskb. Command.comc. Formatd. Fat

Answer:-c. FormatRead More Answers.

Question # 178Which command is used to display a list of deleted files that DOS can undelete?a. Undelete *.*b. Undelete/allc. Undelete/listd. None of the above

Answer:-c. Undelete/listRead More Answers.

Question # 179Which command is used to delete all the files in the root directory of drive a:a. A:delb. Del *.* a:c. Del a:d. Erase *.*

Answer:-c. Del a:Read More Answers.

Question # 180Which command is used to see the version?a. Versionb. Verc. Versond. None of above

Answer:-b. VerRead More Answers.

Question # 181Which is the valid filename assign in MS-DOS?a. Ram*.txtb. Ram?.docc. Ram_$.txtd. None of above

Answer:-c. Ram_$.txtRead More Answers.

Question # 182Which command in DOS can be used to recover accidentally deleted files?a. UNDELETEb. DELETE/CANCELc. RESTOREd. RECOVER

Answer:-

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a. UNDELETERead More Answers.

Question # 183Which command is used to delete all the files extension .txt on the current drive and directory?a. Del .txtb. Erase .txtc. Del *.txtd. Del *.*/p

Answer:-c. Del *.txtRead More Answers.

Question # 184Which file in MSDOS contain internal command that are loaded during booting process?a. Io.sysb. Msdos.sysc. Command.comd. Config.sys

Answer:-c. Command.comRead More Answers.

Question # 185Which of the following statements is true in regard to diskcopy?a. Copy and discopy are sameb. Discopy is a built in command in dosc. Diskcopy can be used on hard disksd. Diskcopy can be used with a floppy and a hard disk

Answer:-c. Diskcopy can be used on hard disksRead More Answers.

Question # 186Which switch should be used in the DIR command to view files in all directories?a. /pb. /wc. /sd. /l

Answer:-c. /sRead More Answers.

Question # 187Which of the following statements in regard to directories is false?a. Directories can exist inside directoriesb. The root directory is always at the highest levelc. Directories with files can be deletedd. Directories cannot be renamed

Answer:-d. Directories cannot be renamedRead More Answers.

Question # 188Which was the last version of MSDOS that was released separately?a. 5.0b. 6.0c. 6.11d. 6.22

Answer:-d. 6.22Read More Answers.

Question # 189Which command is used to undelete delete a bunch of files with extension doc that you have just deleted?a. Undeleteb. Undelete *.doc

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c. Undelete/alld. All of the above

Answer:-b. Undelete *.docRead More Answers.

Question # 190Which is valid extension that user creates on operating system?a. Exeb. Comc. Sysd. Bat

Answer:-d. BatRead More Answers.

Question # 191Which of the following file names are invalid in MSDOS?a. MYFILE.DOSb. CHECK$.(1)c. Verified.###d. Qwerty.1?3

Answer:-d. Qwerty.1?3Read More Answers.

Question # 192While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?a. Ren *.doc *.txtb. Ren *.txt *.docc. Ren file.doc file.txtd. Ren a: *.doc *.txt

Answer:-b. Ren *.txt *.docRead More Answers.

Question # 193While working with MS-DOS which command is used to combine file1 plus file2 into new file named file3?a. Copy file3 file1+file2b. Copy file1+file2 file3c. Copy file1+file2+file3d. Copy file2 file1+file3

Answer:-b. Copy file1+file2 file3Read More Answers.

Question # 194While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a:a. Copy a. *.txtb. Copy *.txt a:c. Copy *.txt c:d. Copy *.txt all.txt

Answer:-b. Copy *.txt a:Read More Answers.

Question # 195While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?a. Ren2.doc dirfile1.docb. Ren file1.doc file2.docc. Ren .docdir.docd. Ren dir1file1.doc file2.doc

Answer:-d. Ren dir1file1.doc file2.docRead More Answers.

Question # 196

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While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?a. Copy a: *.txtb. Copy *.txt a:c. Copy *.txt c:d. Copy *.txt all.txt

Answer:-d. Copy *.txt all.txtRead More Answers.

Question # 197Which type of command in DOS needs additional files for their execution?a. Internal commandsb. External commandsc. Batch commandsd. Redirectors

Answer:-b. External commandsRead More Answers.

Question # 198..... runs on computer hardware and serve as platform for other software to run on:a. Operating systemb. Application softwarec. System softwared. All

Answer:-a. Operating systemRead More Answers.

Question # 199..... is the layer of a computer system between the hardware and the user program.a. Operating environmentb. Operating systemc. System environmentd. None

Answer:-b. Operating systemRead More Answers.

Question # 200The primary purpose of an operating system is ..... .a. To make the most efficient use of the computer hardwareb. To allow people to use the computerc. To keep systems programmers employedd. To make computers easier to use

Answer:-a. To make the most efficient use of the computer hardwareRead More Answers.

Question # 201..... transforms one interface into another interface.a. Programb. Softwarec. Datad. None

Answer:-b. SoftwareRead More Answers.

Question # 202Multiprogramming system:a. Are easier to develop than single programming systemb. Execute each job fasterc. Execute more jobs in the same time periodd. Are used only one large mainframe computers

Answer:-c. Execute more jobs in the same time period

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Read More Answers.

Question # 203.....is the first program run on a computer when the computer boots up.a. System softwareb. Operating systemc. System operationsd. None

Answer:-b. Operating systemRead More Answers.

Question # 204..... interface consists of things like program counter, registers, interrupts and terminalsa. Hardwareb. Softwarec. Datad. None

Answer:-a. HardwareRead More Answers.

Question # 205..... share characteristics with both hardware and software.a. Operating systemb. Softwarec. Datad. None

Answer:-a. Operating systemRead More Answers.

Question # 206The operating system creates ..... from the physical computer.a. Virtual spaceb. Virtual computersc. Virtual deviced. None

Answer:-b. Virtual computersRead More Answers.

Question # 207Swapping:a. Works best with many small partitionsb. Allows many programs to use memory simultaneouslyc. Allows each program in turn to use the memoryd. Does not work with overlaying

Answer:-c. Allows each program in turn to use the memoryRead More Answers.

Question # 208Which of the following operating does not implement multitasking truly?a. Windows 98b. Windows NTc. Windows XPd. MS DOS

Answer:-d. MS DOSRead More Answers.

Question # 209What is the name of the latest server operating system developed by Microsoft?a. Windows NTb. Windows 2000c. Windows XP

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d. Windows 2003

Answer:-d. Windows 2003Read More Answers.

Question # 210Where do you find user.dat?a. C:windowsb. C:windowssystem32c. C:windowssystemd. C:

Answer:-a. C:windowsRead More Answers.

Question # 211Which command displays the list of all previous commands entered by the used?a. COMMANDS/ALLb. KEYDOSc. DOSKEYd. DIR/ALL

Answer:-c. DOSKEYRead More Answers.

Question # 212MSD.exe does not have information on:a. Cacheb. Videoc. Operating Systemd. Com or port

Answer:-a. CacheRead More Answers.

Question # 213Which of the following command display the name of files in sorted order?a. Dir/o:nb. Dir/soc. Dir/and. Dir/ah

Answer:-a. Dir/o:nRead More Answers.

Question # 214Which command is used to set a name to a disk in DOS?a. VOLUMEb. VOLc. LABELd. DISKLABEL

Answer:-c. LABELRead More Answers.

Question # 215While working with MS-DOS, which command is used to more file from one directory to another?a. Renameb. Copyc. Moved. Cp

Answer:-c. MoveRead More Answers.

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