Across
- 5. A machine for performing calculations automatically
- 6. A board full of "keys"
- 7. Every 1 or 0 (binary)
Down
- 1. A secret code to protect your information
- 2. Is a handheld device that controls a cursor on a computer screen
- 3. A small arrow on the screen that moves when you move the mouse
- 4. Is the enormous network that connects computers