Across
- 3. base of which number system is 8?
- 5. any criminal activity intended to harm anyone using a computer and an internet connection
- 6. how many digits are used in the decimal number system?
- 8. number system understood by the computer system
- 9. software that helps in preventing unauthorised access to your computer
- 10. act of sending an email to a user;misleading him to believe that it is from a trusted person or organisation
Down
- 1. act of harming or harassing using information technology in a deliberate manner
- 2. illegal entry into a computer system or network
- 4. number system that uses digits 0-9 and letter A-F
- 7. computer program designed to identify,prevent and remove viruses from a computer