Operating System – Set 6 January 28, 2025 by aasi Home › Computer Operator › Operating System Operating System Operating System – Set 6 📝 Model Practice Set ⚡ Instant Answers & Explanation 🎯 Exam Oriented 0% Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Operating System – Set 6 Dear ! This is Operating System – Set 6 Quiz and it contains 50 questions. Keep Learning! 1 / 50 1) The time command is used to display_____time? Greenwich mean time System time Julian time US time 2 / 50 2) While working with MS-DOS which command is used to copy all files with extension .txt into one file named all .txt? Copy *txt all.txt Copy a: *.txt Copy *.txt a: Copy *.txt c: 3 / 50 3) Which among the following are the best tools for fixing errors on disks? Chkdsk Fdisk Fixdsk Scandisk 4 / 50 4) Operating System is like a ? Parliament Secretary Government None of these 5 / 50 5) Xcopy command can apply? Directories including subdirectories Individual files or group of files All of these To diskette of a diffrent capacity 6 / 50 6) Which command used to display a list of deleted files that DOS can undelete? Undelete/all Undelete *.* None of these Undelete/list 7 / 50 7) Which command used to delete all the files in the root directory of drive a? Erase *.* Del a: A:del Del *.* a: 8 / 50 8) The vol command used to? See the disk value lebel See the value of list See the volume of largest See the variety of language 9 / 50 9) RESTORE command is used to? Restore file which are deleted recently Restore file from disk made using the BACKUP command Restore file which are deleted Restore file from recycle bin 10 / 50 10) Full form of MS-DOS is? Micro Soft Disk Operating System Micro System Disk Operating System Micro Simple Disk Operating System Micro Sort Disk Operating System 11 / 50 11) To copy the file command.com from drive c: to drive a:?Dr C:A: copy command.com Drive c: drivea:command.com Both b and a Copy c:command.com a: 12 / 50 12) Which statement is correct? None of above Directories can be kept inside a file Files cannot be kept inside a directory 1 millisec =10T^3sec 13 / 50 13) To display the list of all the file of the disk you would type? DIR DIR FILES COPY DIORAUTOEXEC.BAT 14 / 50 14) Which command is used to copy all files from drive a with extension .txtt to the currently logged drive and directory? Copy a. *.txt Copy *.txt all.txt Copy *.txt a: Copy *.txt c: 15 / 50 15) The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is? ONDELETE DO NOT DELETE NO DELETE UNDELETE 16 / 50 16) Which command used to see the contents of a file? Ed None of these Copy Type 17 / 50 17) DIR command used to? All of above Display type of files in a sub directoryd Display a list of files in a directory Display contents of files in directory 18 / 50 18) While working with MS-DOS which key is used to get the previous command used? F9 F6 F1 F3 19 / 50 19) Which command used to see the disk volume lebel? Version Vol None of these Ver 20 / 50 20) DEL command used to? Delete lebels Delete files Delete directory Delete contents of files 21 / 50 21) In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with? Capital letter Both a and b None of these Small letter 22 / 50 22) What working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc? Ren file.doc file.txt Ren * .txt *.doc Ren a: * .doc * .txt Ren * .doc *.txt 23 / 50 23) Which of the following statements in regard to directories is false? Directories can exit inside directories Directories cannot be renamed The root directory is always the at highest level Directories with files can be deleted 24 / 50 24) CHKDSK can be used to find? Occupied space Free space Disk's bad portion All of above 25 / 50 25) Which command is used to change the file name? Rename Ren Both of above None of above 26 / 50 26) What is the name of the batch file that is automatically run when MSDOS is booted? Config.sys Config.bat Run.bat Autoexec.bat 27 / 50 27) Which of the following file names are invalid in MSDOS? CHECK$.(1 Verified.### MYFILE.DOS Bat 28 / 50 28) Which command be used to ask to you to confirm that you want to delete the directory? Deltree De*.*/p Erase*.* Deltree/f 29 / 50 29) Which was the last version of MSDOS that was released separately? 6.22 6.0 5.0 6.11 30 / 50 30) Which is the valid extension that user creates on operating system? Exe Com Bat Sys 31 / 50 31) Which command used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information? Dir | more Tree | more Deltree/f Tree 32 / 50 32) Which command is used to create root directory and FAT on disk? Command.com Format Fat Chkdsk 33 / 50 33) While working with MS-DOS, which command is used to copying the files to transfer from one Disk to another? Rename Dir Path Copy 34 / 50 34) Which file in MSDOS contain internal command that are loaded during booting process? Command.com MsDOS.sys Io .sys Config.sys 35 / 50 35) Which command is used to see the version/display the version? Version Verson None of these Ver 36 / 50 36) Which command is used to delete all the files extension .txt on the current drive and directory? A:del Del *_*/p Erase .txt Del *txt 37 / 50 37) Which command used to undelete delete a bunch of files with extension .doc that you have just deleted? Undelete *.doc Undelete Undelete/all All of these 38 / 50 38) What will be the output of the command prompt $l$p$g? <c:> C:> C:<> C:>> 39 / 50 39) Which is the valid fie name assign in MS-DOS? Ram?.doc None of these Ram_$.txt Ram * .txt 40 / 50 40) Which keys can be pressed quit without saving in DOS? Ctrl+B Ctrl+A Ctrl+D Ctrl+C 41 / 50 41) Which command used to provide access to files located in other dirctories or disks? Tree Path Dir Cd 42 / 50 42) Generally, the DATE is entered in the form? MM-YY-DD DD-YY-MM YY-DD-MM MM-DD-YY 43 / 50 43) Which switch should be used in the DIR command to veiw files in all directories? /l /w /s /p 44 / 50 44) Which statement is valid about “TIME” command? Time format can be changed by changing in country setting in config.sys file MS-DOS displays the time in 12-hour or 24-hour format All of these Time command is used to display and allow changes to the system time 45 / 50 45) External command in DOS are ? Copy, edit, sys, format sys,ver, vol Chkdsk, prompt, date Edit, sys, chkdsk 46 / 50 46) Which command in DOS can be used to recover accidentally deleted files? RESTORE RECOVER DELETE/CANCEL UNDELETE 47 / 50 47) The following command set is correct according to their function? CD and RD RD can MD COPY and RENAME DEL and ERASE 48 / 50 48) Format command used to? Prepare a blank disk None of these Both of above Create a new blank disk from a used one 49 / 50 49) FAT stands for? File Allocation Table File Acsess Tape File Accomodation Table File Activity Table 50 / 50 50) What is the switch that is used to make sure that the copy command copied files correctly? /s /a /c /v Your score isThe average score is 0%🎉 Challenge alert! 💡 Share this quiz with your friends and see who scores the highest! 🏆🤩🔥 LinkedIn Facebook Follow Us @ 0% Restart quiz Exit We’d love to hear your thoughts! 📝 Share your valuable review with us. 🙌 🌟 Thank you for your support! 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