the computer
...umerical integrator and calculator). since then it has changed the pattern of doing work easily and quickly.it has also revolutionised the whole world. the computers vary in size, from desktop models to laptops to huge machines occupying an entire room or evenmore, but they all contain the same component parts which come under the heading of hardware and software.hardware is the term given to all the components that make up a computer and software refers to programmes that instruct the machine today the computers permeates the whole world of work in homes,in factories, in schools,in hospitals,in offices etc because it is an enormously flexible tool that can be used in different ways depending on needs and available resources. the computers are effective in individualising educat...