Question

Janish Khanna used a pen drive to copy files from his friend's laptop to his office computer. Soon his computer started abnormal functioning. Sometimes it would restart by itself and sometimes it would stop different applications running on it. Which of the following options out ·of (i) to (iv), would have caused the malfunctioning of the computer? Justify the reason for your chosen option:

1) Computer Virus

2)Spain Mail

3) Computer Bacteria

4) Trojan Horse

Answer 1

1) Computer Virus:

• It can destroy file allocation tables (FAT) and lead to the corruption of an entire file system,
  resulting in the need to fully reinstall and reload the system.
• It can decrease the space on hard disks by duplicating files.
• It can cause the system to hang so that it does not respond to any keyboard or mouse movements