56. Terminal is ...........

1. 1. a device to give power supply to the computer

   
   
   

   2. a point at which data enters or leaves the computer

   
   
   

   3. the last instruction in a program

   
   
   

   4. any input / output device

   
   
   

   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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57. In a relations database, tables are logically linked to each other by a .....

1. 1. key

   
   
   

   2. hyperlink

   
   
   

   3. field type

   
   
   

   4. field size

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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58. To access a mainframe or supercomputer, users often use a ..........

1. 1. terminal

   
   
   

   2. node

   
   
   

   3. desktop

   
   
   

   4. hand held

   
   
   

   5. none of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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59. WI-FI uses

1. 1. optical fibre

   
   
   

   2. phase line

   
   
   

   3. radiowaves

   
   
   

   4. sound-waves

   
   
   

   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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60. A computer ........ consists of two or more. computers and other devices that are connected for the purpose of sharing data and programs.

1. 1. network

   
   
   

   2. system

   
   
   

   3. workstation

   
   
   

   4. device

   
   
   

   5. none of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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