Question

what is hacker in computer​

Answer 1

Answer:

Hacker: a person who uses computers to gain unauthorized access to data; informal: an enthusiastic and skillful computer programmer or user.

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Answer 2

computer hackers are unauthorized users who break into computer systems in order to steal, change or destroy information, often by installing dangerous malware without your knowledge or consent. Their clever tactics and detailed technical knowledge help them access the information you really don't want them to have.