Computing - Algorithmic+

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Across
  1. 2. Sequence of unambiguous instructions for solving a problem (8)
  2. 4. Growth of the form k^n (11)
  3. 8. Computational __________, how economical an algorithm is with time and space (10)
  4. 11. Type of function which calls itself
  5. 12. Executes in reasonable time (9)
  6. 13. Machine with outputs on transitions (5)
Down
  1. 1. A famous Alan (6)
  2. 2. __________ behaviour of f for large values of n (10)
  3. 3. Form for expressing rules for constructing valid strings (6,4)
  4. 5. Growth of the form n^k (10)
  5. 6. Problem with a yes/no answer (9)
  6. 7. Approach that gives an approximation of a solution (9)
  7. 9. Machine with outputs on states (5)
  8. 10. An FSM with no outputs (8)