fraction of time; difficult decisions can be made with unerring accuracy for comparatively little cost. Comput-
ers are widely seen as instruments for futur
e progress and as tools to achieve sustainability by way of improved
access to information with the help of video conferencing and e-mail. Indeed, computers have left such an
impression on modern civilization that we call this era as the “information age”.
1.1.1 Characteristics of Computers
The human race developed computers so that it could perform intricate operations, such as calculation and data
processing, or simply for entertainment. Today ...
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