Computer Science for Dummies

INTRODUCTION The first computers were people! That is, electronic computers (and the earlier mechanical computers) were given this name because they performed the work that had previously been assigned to people. “Computer” was originally a job title: It was used to describe those humans’ beings (predominantly women) whose job it was to perform the repetitive calculations required to compute such things as navigational tables, tide charts and planetary positions for astronomical almanacs. A long time ago, people charged with the duty of collection and disbursements of tax were encountering problems in calculations. In those days, the problems faced by the early method of data processing involves the use of animal skin, feather, grains e.t.c were very difficult for them to handle. These were later replaced by the use of pens, inks, papers, chalk e.t.c just to supplement human efforts in counting, recording, manipulating, sorting e.t.c of data these