Technolympics 2022 GRIDLOCK

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Across
  1. 3. High-level language developed by Oracle [4]
  2. 5. Full form of WiFi: Wireless ________ [8]
  3. 6. Unsolicited mail [4]
  4. 9. The first computer virus [7]
  5. 11. The software that initializes the hardware during the booting process [abbr.] [4]
  6. 12. Ancient Calculator [6]
  7. 14. Most widely used open source OS [5]
  8. 15. Put into cipher to make secret [7]
  9. 17. Fixing flaws in code [9]
  10. 18. A small data file exchanged between a user and a webserver containing small pieces of data [6]
  11. 20. Embedded software, present in peripheral devices[8]
  12. 21. Graphics defined by coordinates [6]
Down
  1. 1. Google posted its first tweet on twitter in which language? [6]
  2. 2. This famous electronics corporation was originally a paper mill [5]
  3. 4. In the binary system what is the name given to 4 bits of data? [6]
  4. 7. Surname of the CEO of Alphabet Inc. [6]
  5. 8. Full form of USB - Universal ____ Bus [6]
  6. 10. Classic game featuring Inky, Blinky, Pinky, and clyde[6]
  7. 11. Name of the biggest search engine by Microsoft[4]
  8. 13. Large sized output device for vector graphics[7]
  9. 16. Surname of the inventor of the computer mouse [9]
  10. 19. Animated Image Format [abbr.] [3]