About Computer

The word computer refers to calculate something.To calculate is to do some mathematical operation About 30-40 years ago computer was introduced as a calculating device .Computer was first developen in 1940's AD.It is a digital electronic device .Before it tooks lot of time and was dificult to store a data .To reduce the inconvienet of calculator computer was introduced in the market .In the beggining the computers were huge size and accumulate the large space . Later on its size reduces whereas the processing capabilties and speed increased tremenduously. Hence in short computer is an operating device .It is very powerful device to aid the device in the field of data processing and research. Computer is a programmable device .It is aset of a well defined instruction and it operates with the machinary language.It is easy to operate because it use high level language.Now the computer that we are using are electrical and digital and it consists of two parts hardware and software.Without its components computer cannot function properly.It help us to do work easily and faster.