Merits of top-down technique

  • The summary of the program plan is known in advance in the form of top module.
  • Parallel development of the program is possible because of independent design of the modules at different levels.
  • Parallel development helps in designing the program at reduced time period.
  • Testing and debugging are faster because of independent testing of modules.
  • Attention can be given to individual level task to improve the efficiency.
  • The hierarchy of the levels helps in understandable low level modules.
  • Handling and management of the modules are easy.
  • This technique improves the code reliability.


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