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Time has seen significant improvements in the usability and effectiveness of computer science technology. Modern society has seen a significant shift from computers being used solely by experts or professionals to a more widespread user base. Initially, computers were quite costly, and for their most-effective use, some degree of human aid was needed, in part by professional computer operators. However, as computers became widespread and far more affordable, less human assistance wDespite its short history as a formal academic discipline, computer science has made a number of fundamental contributions to science and society. These include:

• The start of the "digital revolution," which includes the 

as needed, although residues of the original assistance still remained