16. Following is not the operating system:
    

1. 1. UNIX
      

   
   
   

   2. DOS
      

   
   
   

   3. WINDOWS
      

   
   
   

   4. BASIC

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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17. A translator that reads program written in a high level language and converts them into machine code is:
    

1. 1. Operating system
      

   
   
   

   2. System software
      

   
   
   

   3. Compiler
      

   
   
   

   4. Interpreter

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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18. Assembler converts:
    

1. 1. Machine language program to assembly language program
      

   
   
   

   2. Assembly language program to machine language program
      

   
   
   

   3. Both and
      

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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19. Buffer is device/storage area where:
    

1. 1. Data is permanently stored
      

   
   
   

   2. Data is temporarily stored
      

   
   
   

   3. Data error occurs
      

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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20. Cache memory is:
    

1. 1. Smaller and faster than main storage
      

   
   
   

   2. Bigger and slower than main storage
      

   
   
   

   3. Smaller but slower than main memory
      

   
   
   

   4. Bigger and faster than main storage

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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