it puz

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Across
  1. 4. A cyberattack technique that tricks you into giving away personal information.
  2. 6. He created the core of the most popular open-source OS.
  3. 8. Roughly a billion bytes.
  4. 10. A language used in business computing since the 1950s — and still in banks today.
  5. 13. This data type has only two values — but controls all logic.
  6. 14. Step-by-step set of rules used by programs to solve problems.
  7. 16. It keeps the digital intruders out — no hoses needed.
  8. 18. This fruit-flavored company created the iPhone.
  9. 19. An open-source operating system kernel named after its creator.
Down
  1. 1. This standard turns characters into binary — think of it as the alphabet for computers.
  2. 2. It compresses your files, and might make a buzzing sound too.
  3. 3. It connects you, not literally
  4. 4. The tiniest visible unit on your screen.
  5. 5. You need this software to surf the internet.
  6. 7. A Linux command that says “I’m the boss now.”
  7. 8. A home for coders — it hosts your repositories in the cloud.
  8. 9. The language your computer truly speaks: just 0s and 1s.
  9. 11. Firmware that starts up your PC before the OS kicks in.
  10. 12. Considered the first general-purpose electronic computer.
  11. 15. A test to tell humans and bots apart, often hard for both.
  12. 17. Add this to software to boost its features — like a mini upgrade.