Computer

The function of the input part is to receive data and instructions.  Because this part contains all the information. Basically the CPU performs various processes on the received data and saves the data and results. After all, the output does the job of publishing the results.  monitor, key board, mouse, hard-disk, motherboard, scanner, disk, printer, speaker etc. are included in the hardware. 

Nowadays the use of computer in daily life is so widespread that it can be easily identified as the age of computer. The presence of computer is noticeable in every aspect of modern life. There is actually no work that the computer is not doing.

In this age of modern science, it is impossible to leave out the computer. The use of computers in developing countries has become inevitable today. In that case, considering the socio-economic condition of the country, the field of application of computer has to be selected. The planned use of computers can bring developing countries like Bangladesh to the brink of modern civilization and progress.