Crossword quiz presentation

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Across
  1. 2. #include<stdio.h> is called
  2. 4. no.Of keywords in c.
  3. 6. how many main function in c program.
  4. 9. c language was invented in which laboratories.
  5. 10. who invented c language.
  6. 11. c language was invented to develop which operating system.
Down
  1. 1. variables are also known as______in c.
  2. 3. smallest individual unit in a c program is called
  3. 5. comma(,) operator in c work as
  4. 7. how many bit in a byte.
  5. 8. type of token in c.