Retro Tech: Zoom and Reveal

Answer sheet (for the quizmaster)

1. 1. A - Floppy disk
   A common high-density 3.5-inch floppy disk held 1.44 MB of data. The metal shutter protects the disk inside.
   
2. 2. A - Audio cassette
   An audio cassette stores sound on magnetic tape wound between two reels.
   
3. 3. A - Computer mouse
   Early computer mice used a rolling ball underneath to track movement, rather than an optical sensor.
   
4. 4. B - Telephone cord
   Coiled telephone cords stretch when the handset moves, then spring back to take up less space.
   
5. 5. A - Handheld games console
   The original Game Boy used interchangeable game cartridges and four AA batteries.
   
6. 6. B - Compact disc
   A CD is read by a laser. Tiny structures on its surface encode the digital information.
   
7. 7. B - VHS tape
   VHS stores video and sound on magnetic tape. Rewinding before returning a rental became a familiar ritual.
   
8. 8. B - Rotary telephone
   A rotary dial sends pulses as it returns to its starting position after each digit.
   
9. 9. A - Pager
   Pagers receive short messages or callback numbers. They were common before mobile phones became widespread.
   
10. 10. B - 35mm film
    The holes along 35mm film help the camera mechanism advance each frame accurately.
    
11. 11. A - Joystick
    A joystick lets players control direction by tilting a stick. The red button here is for firing.
    
12. 12. B - Typewriter
    A mechanical typewriter strikes an inked ribbon against paper to print each character.