41. The operating system is the most common type of ......... software

1. 1. communication

   
   
   

   2. application

   
   
   

   3. system

   
   
   

   4. Word-processing

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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42. A command, in DOS, used to set a name to a disk, is

1. 1. VOL

   
   
   

   2. REN

   
   
   

   3. LABEL

   
   
   

   4. CLS

   
   
   

   5. COPYCON

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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43. Which of the following is not an internal command of DOS ?

1. 1. VER

   
   
   

   2. COPYCON

   
   
   

   3. FORMAT

   
   
   

   4. VOL

   
   
   

   5. TYPE

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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44. The scandisk program is used to

1. 1. find bad cluster of disk and also remove these cluster

   
   
   

   2. scan disk and eliminate viruses

   
   
   

   3. scan disk and eliminate bat files

   
   
   

   4. All of the above

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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45. Which type of commands in MS-DOS needs external files to perform their action ?

1. 1. Internal commands

   
   
   

   2. External commands

   
   
   

   3. Batch commands

   
   
   

   4. Redirectories

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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