Computer

Computer is an electronic device which was invented by Charles Babbage. The abbreviation of computer is commonly operating machine particularly used for trade and educational research. Computer is used every where in this world. Without computer no work should be done. The applications of computer are railway reservation, accounting, business, shopping bills etc… There are 5 generations of computer. There are 2 types of devices like input and output. The input devices are key board, mouse likewise. The input is the one which we give instructions to computer. The output devices are monitor, printer and scanner. The output is the place where we get something from computer. RAM and ROM are the two memories in computer. ROM means read only memory. RAM means random access memory.