Hacking: The unauthorized access of data. people do this to make money from the data. Having a firewall will protect you from hackers as long as it has approiate security(ie Password)
Virus:Its a program/software that corrupts a system and/or the data. It does no good for anybody at all. Anti virus scans the computer for known files with viruses.However it still allows viruses onto your computer.It gets rid of them once you've scanned the computer using todays list.
Employment: Computer/roots= unemployment. They're more efficent, faster and capable of doing things compared to Humans. The lack of workers with approiate IT skills menas there must be
