26. Which of the following refers to memory in your computer?
    

1. 1. RAM
      

   
   
   

   2. CPU
      

   
   
   

   3. USB
      

   
   
   

   4. ROM

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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27. Microsoft office is:
    

1. 1. Public-domain software
      

   
   
   

   2. Open-source software
      

   
   
   

   3. An application suite
      

   
   
   

   4. Shareware

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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28. In given fig., V₁, V₂ and V₃ are zero centre PMMC voltmeters. The circuit is initially relaxed. Switch S is closed at t = 0. In steady state, readings of voltmeters V₁, V₂ and V₃ are respectively:
    
    
    
    

1. 1. 100 V, 100 V, – 100 V
      

   
   
   

   2. 100 V, 0, 200 V
      

   
   
   

   3. – 100 V, 0, 200 V
      

   
   
   

   4. 100 V, 0, 100 V

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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29. Opto couplers combine:
    

1. 1. SIT_S and BJT_S
      

   
   
   

   2. IGBT_S and MOSFET_S
      

   
   
   

   3. Power transformers and silicon transistor
      

   
   
   

   4. Infrared light emitting diode and a silicon phototransistor

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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30. A SCHOTTKY diode is a:
    

1. 1. Majority carrier device
      

   
   
   

   2. Minority carrier device
      

   
   
   

   3. Fast recovery diode
      

   
   
   

   4. Both a majority and a minority carrier diode

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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