Across
- 4. a secret word or combination of letters or numbers, used for communicating with another person or with a computer to prove who you are:
- 6. protection of a person, building, organization, or country against threats such as crime or attacks by foreign countries:
- 8. the instructions that control what a computer does; computer programs:
- 9. an electronic machine that is used for storing, organizing, and finding words, numbers, and pictures, for doing calculations, and for controlling other machines:
- 10. software that automatically puts advertisements onto a computer screen when a person is using the internet:
Down
- 1. a computer program or part of a computer program that can make copies of itself and is intended to prevent the computer from working normally
- 2. involving, using, or relating to computers, especially the internet
- 3. computer software that is designed to damage the way a computer works
- 5. software that collects information about how someone uses the internet, or personal information such as passwords, without the user knowing about it
- 7. the large system of connected computers around the world that allows people to share information and communicate with each other: