DIGIT 2016 Cryptic crossword

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Across
  1. 2. Video conferencing software by Microsoft
  2. 3. Computer term used when software suddenly shuts down
  3. 6. in which state is Facebook headquarters located?
  4. 9. Information which a user gives to a computer
  5. 11. location of Microsoft HQ
  6. 12. tagline ‘Yours is here’?
  7. 13. Trojan is a form of ______
  8. 15. Full form of RAM
  9. 17. Which company uses the tagline ‘Don’t be Evil’?
  10. 19. Database management software made by Microsoft
  11. 20. who is known as the father of internet
  12. 21. Term used to describe computer programs
  13. 23. What is the default Internet Browser in Windows 10
  14. 24. The first operating system
Down
  1. 1. purpose for which a firewall is used
  2. 4. Note taking software made by Microsoft
  3. 5. Full form of CD
  4. 7. Basic unit of Spreadsheet where data is entered
  5. 8. first computer game
  6. 10. Microsoft software used in making presentations
  7. 12. computer which defeated Garry Kasparov in chess
  8. 14. what was the name of the first search engine?
  9. 16. Which major IT company was launched in 1975?
  10. 18. Company which founded Bluetooth
  11. 22. Software by Microsoft used in making spreadsheets
  12. 25. computer hard disk was first introduced by