Yak Reckoner Cognition Expected Questions (Operating System) - Ready 2

1. If you lot postulate to duplicate the entire disk, which ascendance volition you lot role ?
1. Copy
2. Chkdsk
3. Format
4. Diskcopy
5. None of these
2. Which of the next extensions propose that the file is a backup re-create ?
1. Bas
   
2. Com
3. Bak
4. Txt
5. None of these 
3. Which ascendance lists the contents of electrical flow directory of a disk 
1. Copy
2. Dir
3. Tree
4. Cd
5. None of these
4. Only filenames as well as extensions are to hold out displayed inward broad format, which ascendance you'll role ?
1. Dir/w
2. Dir a:
3. Dir/s
4. Dir/b
5. None of these
5. Which ascendance displays all the files having the same cite but dissimilar extensions ?
1. Dirfilename.ext
2. Dir *.sys
3. Dir filename.*
4. Dir*.ext
5. None of these
6. Which ascendance displays alone file as well as directory names without size, appointment as well as fourth dimension information ?
1. Dir/w
2. Dr a :
3. Dir /b
4. Dir / s
5. None of these
7. Which ascendance is used to display all the files having the (.ex(e) extension but dissimilar filename ?
1. Dir filename.*
2. Dir*.ext
3. Dirfilename.ext
4. Dir*.sys
5. None of these
8. Which ascendance should hold out used to display all files inside the specified subordinate directory of the subordinate directory of the subdirectory ?
1. Dir \ pathname
2. Dir \ pathname \ pathname
3. Dir / ch
4. Dir \ pathname \ filename
5. None of these
9. Which ascendance creates a directory or subdirectory ?
1. Dir
2. Mkdir
3. Md
4. Both ii as well as 3
5. None of these
10. Which ascendance is used to delete the directory that is empty ?
1. RD
2. Del*.*
3. Erase
4. MD
5. None of these
11. An entire path name, consisting of several sub-directory names tin incorporate upto 
1. 13 character
2. 36 character
3. 63 character
4. 53 character
5. None of these
12. Maximum length of DOS ascendance using whatever optional parameter is 
1. 26 characters
2. 87 characters
3. 127 characters
4. 156 characters
5. None of these
13. CHKDSK ascendance is used to
1. Analyze the difficult disk error
2. Diagnose the difficult disk error
3. Report the condition of files on disk
4. All of the above
5. None of these
14. Which file is the batch file that is read piece booting a figurer ?
1. Auto-batch
2. Autoexecutive.bat
3. Autoexec.bat
4. Auto.bat
5. None of these
15. Copy as well as Xcopy are same inward the sense 
1. Both are internal ascendance of DOS
2. Both are external commands of DOS
3. Both tin hold out used to re-create file or grouping of files
4. Both 1 as well as 2
5. None of these

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