56. Which of the following operating systems in also known as single user operating system ?

1. 1. Windows

   
   
   

   2. Linux

   
   
   

   3. Unix

   
   
   

   4. DOS

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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57. Which one of the following DOS commands sends contents of the screen to an output device ?

1. 1. BREAK

   
   
   

   2. DISK COPY

   
   
   

   3. MORE

   
   
   

   4. ASSIGN

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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58. It shares characteristics with both hardware and software

1. 1. Operating system

   
   
   

   2. Software

   
   
   

   3. Data

   
   
   

   4. Utility

   
   
   

   5. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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59. It is the first program run on a computer, when the computer boots up.

1. 1. System software

   
   
   

   2. Operating system

   
   
   

   3. System operations

   
   
   

   4. Processing system

   
   
   

   5. Memory system

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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60. The primary purpose of the Windows operating system is

1. 1. to make the most efficient use of the computer hardware

   
   
   

   2. to allow people to use the computer

   
   
   

   3. to keep systems programmer's employed

   
   
   

   4. to make computers easier to use

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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