Across
- 4. primary user interface of a computer
- 5. powers the computer
- 8. a panel of keys that operate a computer
- 9. for attaching peripheral devices to a computer
Down
- 1. popular use for communication
- 2. a network security system designed to prevent malicious activity within a network
- 3. a printed circuit board containing the principal components of a computer
- 4. remove or erase someting
- 6. click it to launch applications
- 7. what is an imput device for a computer