computer security set 1 Detailed Explanation And More Example

Answer: (a)

A hacker is an individual who uses a computer, networking or other skills to overcome a technical problem. The term also may refer to anyone who uses their abilities to gain unauthorised access to systems or networks in order to commit crimes. 

Answer: (a)

A creeper virus is a computer virus that is most commonly recognized as the first computer virus. In 1971, Bob Thomas at BBN created Creeper as an experimental self-duplicating program that was intended not to inflict damage but to illustrate a mobile application

Answer: (c)

The Brain was a boot sector virus that was written on and for floppy disks and spread by the exchange of disks between users.  Microsoft MS-DOS-based computers and once installed would fill up the floppy, slamming its performance or rendering it useless.