46. It is a self-replicating program that infects computer and spreads by inserting copies of itself into other executable code or documents.

1. 1. Keylogger

   
   
   

   2. Worm

   
   
   

   3. Virus

   
   
   

   4. Cracker

   
   
   

   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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47. Like a virus, it is a self-replicating program. It also propagates through computer network.

1. 1. Spyware

   
   
   

   2. Worm

   
   
   

   3. Cracker

   
   
   

   4. Phishing scam

   
   
   

   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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48. What is an E-mail attachment ?

1. 1. A receipt sent by the recipient

   
   
   

   2. A separate document from another program sent along with an E-mail message

   
   
   

   3. A malicious parasite that feeds off your messages and destroys the contents

   
   
   

   4. A list of Cc : or Bcc : recipients

   
   
   

   5. A friend to whom E-mail is sent regularly

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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49. Password enables users to

1. 1. get into the system quickly

   
   
   

   2. make efficient use of time

   
   
   

   3. retain confidentiality of files

   
   
   

   4. simplify file structure

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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50. A program designed to designed to destroy data on your computer which can travel to infect other computers, is called a

1. 1. disease

   
   
   

   2. tarpedo

   
   
   

   3. hurricave

   
   
   

   4. virus

   
   
   

   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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