Example of Crosword Puzzle

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Across
  1. 2. a collection of data of same type
  2. 4. a primitive data type
  3. 6. on operation on integer data type
  4. 8. an integer data type
  5. 9. basic data type with only 2 possible values; TRUE and FALSE
Down
  1. 1. object-oriented programming language
  2. 3. _________ notation represents the performance of algorithms
  3. 4. __________ data structure are built from data of basic types
  4. 5. a primitive data type in C++ storing integer between -2147483648 to 2147483647
  5. 7. Data structures are implemented based on __________________