Technical Knowledge Puzzle

12345678910
Across
  1. 2. android applications made with programming language
  2. 4. operating system of mobile by apple
  3. 6. long form of www
  4. 8. name of volatile memory
  5. 10. father of 'C' Programming Language
Down
  1. 1. ceo of facebook
  2. 3. operating system by microsoft company
  3. 5. application introduced by google for online meeting
  4. 7. process of transforming encrypted information
  5. 9. name of company who launched first mobile in india