By: Masud-ul-Hasan
2
Introduction
•Computers have only been with us for a few decades but their impact (direct or indirect) on our lives is profound.
•Usually these are supposed to be just data processors performing exhaustive numeric operations. But there presence is unnoticed at most of the places; like
–At supermarkets in Cash Registers, Weighing Scales, etc.
–At home in Ovens, Washing Machines, Alarm Clocks, etc.
–At play in Toys, VCRs, Stereo Equipment, etc.
–At office in Typewriters, Photocopiers, Elevators, etc.
–In industry in Industrial Automation, safety systems, etc.
–On roads in Cars, Traffic Signals, etc.