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This section includes 181 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
151. |
Full form of MS-DOS is |
A. | Micro System Disk Operating System |
B. | Micro Simple Disk Operating System |
C. | Micro Soft Disk Operating System |
D. | Micro Sort Disk Operating System |
Answer» D. Micro Sort Disk Operating System | |
152. |
While working with MS-DOS, which command is used to copying the files to transfer from one PC to another one? |
A. | Rename |
B. | Path |
C. | Dir |
D. | Copy |
Answer» E. | |
153. |
To copy the file command.com from drive c: to drive a: |
A. | Drive c: copy drive a:\command.com |
B. | C:A: copy command.com |
C. | Copy c:\command.com a: |
D. | Both b and c |
Answer» D. Both b and c | |
154. |
In MS-Dos what command you will use to display system date? |
A. | Date command |
B. | Ver command |
C. | Disk command |
D. | Format command |
Answer» B. Ver command | |
155. |
With DOS, you may use the `*' and `?': |
A. | When changing the default settings |
B. | To represent unspecified characters in a filename |
C. | Instead of wildcard characters |
D. | In the extension but not in the drive name or the file name |
Answer» C. Instead of wildcard characters | |
156. |
Which command displays the list of all previous commands entered by the used? |
A. | COMMANDS/ALL |
B. | KEYDOS |
C. | DOSKEY |
D. | DIR/ALL |
Answer» D. DIR/ALL | |
157. |
While 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 \dir\file1.doc |
B. | Ren file1.doc file2.doc |
C. | Ren .doc\dir\.doc |
D. | Ren \dir1\file1.doc file2.doc |
Answer» E. | |
158. |
Which was the last version of MSDOS that was released separately? |
A. | 5.0 |
B. | 6.0 |
C. | 6.11 |
D. | 6.22 |
Answer» E. | |
159. |
Which of the following file names are invalid in MSDOS? |
A. | MYFILE.DOS |
B. | CHECK$.(1) |
C. | Verified.### |
D. | Qwerty.1?3 |
Answer» E. | |
160. |
Which command is used to display a list of deleted files that DOS can undelete? |
A. | Undelete *.* |
B. | Undelete/all |
C. | Undelete/list |
D. | None of the above |
Answer» D. None of the above | |
161. |
Which command in DOS is used to display the version of MSDOS? |
A. | VERSION |
B. | VERIFY |
C. | VER |
D. | VERSN |
Answer» D. VERSN | |
162. |
An entire path name, consisting of several sub-directory names can contain upto |
A. | 13 character |
B. | 36 character |
C. | 63 character |
D. | 53 character |
Answer» D. 53 character | |
163. |
Which file is the batch file that is read while booting a computer? |
A. | Autoexec.bat |
B. | Auto-batch |
C. | Autoexecutive.bat |
D. | Auto.bat |
Answer» B. Auto-batch | |
164. |
Which command displays all the files having the same name but different extensions? |
A. | Dir filename.* |
B. | Dir filename.ext |
C. | Dir *.sys |
D. | Dir *.ext |
Answer» B. Dir filename.ext | |
165. |
Which command displays the directory list including files in tree structure? |
A. | Dir/s/f |
B. | Tree/f |
C. | Tree/s/f |
D. | Dir/f |
Answer» C. Tree/s/f | |
166. |
DEL command is used to |
A. | Delete files |
B. | Delete directory |
C. | Delete labels |
D. | Delete contents of file |
Answer» B. Delete directory | |
167. |
Internal command in Dos are |
A. | Cls, rd label |
B. | Dir, ren, sys |
C. | Time, type, dir |
D. | Del, disk copy, label |
Answer» D. Del, disk copy, label | |
168. |
The 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» C. Copy c: a: | |
169. |
The maximum length in DOS commands is |
A. | 80 chars |
B. | 127 chars |
C. | 100 chars |
D. | 8 chars |
Answer» C. 100 chars | |
170. |
Which command is used to make a new directory? |
A. | Md |
B. | Cd |
C. | Rd |
D. | None of above |
Answer» B. Cd | |
171. |
Which command is used to change the file name? |
A. | Ren |
B. | Rename |
C. | Both of above |
D. | None of above |
Answer» D. None of above | |
172. |
The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is: |
A. | DO NOT DELETE |
B. | NO DELETE |
C. | UNDELETE |
D. | ONDELETE |
Answer» D. ONDELETE | |
173. |
In MS-Dos 6.22, which part identifies the product uniquely |
A. | MS |
B. | DOS |
C. | MS-DOS |
D. | 6.22 |
Answer» E. | |
174. |
5. As per symbolic notation of DOS, which of the following indicates the ROOT directory |
A. | * |
B. | > |
C. | / |
D. | None of the above |
Answer» E. | |
175. |
Which of the following command display the name of files in sorted order? |
A. | Dir/o:n |
B. | Dir/so |
C. | Dir/an |
D. | Dir/ah |
Answer» B. Dir/so | |
176. |
While working with MS-DOS, which command is used to more file from one directory to another? |
A. | Rename |
B. | Copy |
C. | Move |
D. | Cp |
Answer» D. Cp | |
177. |
Which type of command in DOS needs additional files for their execution? |
A. | Internal commands |
B. | External commands |
C. | Batch commands |
D. | Redirectors |
Answer» C. Batch commands | |
178. |
Which is valid extension that user creates on operating system? |
A. | Exe |
B. | Com |
C. | Sys |
D. | Bat |
Answer» E. | |
179. |
Which command is used to delete all the files in the root directory of drive a |
A. | A:\del |
B. | Del *.* a: |
C. | Del a:\ |
D. | Erase *.* |
Answer» D. Erase *.* | |
180. |
Which command in DOS can be used to recover accidentally deleted files? |
A. | UNDELETE |
B. | DELETE/CANCEL |
C. | RESTORE |
D. | RECOVER |
Answer» B. DELETE/CANCEL | |
181. |
Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock? |
A. | VER |
B. | HOUR |
C. | DATE |
D. | DAY |
E. | None of the above |
Answer» D. DAY | |