Computer Sciences Chapter 7 Class 11 Windows Operating System


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15. Security Protection for personal computer include:

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2. A virus is just a:

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9. Software that is used to detect and remove the viruses from the computer is called:

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6. viruses infects the first sector of disk:

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17. Which is not an antivirus program?

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16. A secret word or number to be typed by a keyboard before an activity can take place are called:

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19. What is the most common computer crime of these listed below?

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3. A virus can destroy: (

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8. Format C is an example of virus:

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4. Viruses are transferred from one computer to another due to:

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5. Most common crimes are committed by:

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7. virus is activated on the basis of a logical condition:

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20. media is used for backup:

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11. is an anti-virus program:

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12. is cause of virus:

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18. Format C is an example of:

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14. Another name for antivirus is:

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10. is not an anti-virus program:

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1. A virus program usually hidden in:

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13. Types of software that can be freely distributed without violating copyright laws are called:

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