computer-unit test

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Across
  1. 3. first calculating device?
  2. 4. What are the physical parts of a computer called?
  3. 9. How many numbered bones are used in Napier's Bones?
  4. 10. ABC first used ________ for storage.
  5. 11. What is the set of instructions that makes hardware work called?
  6. 12. _______ was the first mechanical Calculator?
  7. 14. Which generation introduced microprocessors?
  8. 15. Which generation used transistors?
  9. 18. Which operating system is widely used on smartphones and tablets?
  10. 19. What is the copied data called?
  11. 20. A type of graphics software.
  12. 21. Which was the fastest supercomputer (June 2022)?
Down
  1. 1. Thousands of ICs are built on a single ________.
  2. 2. The company that Herman Hollerith formed?
  3. 5. Which was the first electronic computer?
  4. 6. Second-generation computers used ________.
  5. 7. Which utility software scans and removes viruses?
  6. 8. Which language is also called Machine language?
  7. 13. Which operating system was developed by Linus Torvalds?
  8. 16. A type of communication software?
  9. 17. Which software creates and manages databases?