| A | B |
| Bomb | A virus that is activated at a certain time or date |
| Hacker | A person who sneaks into your computer files with bad intentions |
| Hoax | A program that intended to scare a computer user into thinking they have a virus |
| Computer crime | A criminal act that is committed through the use of a computer |
| Freeware | Software that can be given away free, but the author owns the copyright |
| Ethics | The standards of good moral conduct or principles |
| Copyright | A law that protects the creative work of individuals |
| Virus | A program that is written to cause corruption of data on a computer |
| Antivirus program | A computer program that detects viruses and repairs them |
| Worm | A virus that makes copies of itself resulting in the consumption of system resources that slows down or actually halts tasks |
| Computer ethics | Using computers for good purposes |
| Shareware | Software that is given to a user free of charge on a trial basis |
| Password | A safeguard for access to a computer or computer program |