This word means trichina calculated, measured, counted, etc. and ideas. As of the census or the instruments, accounts, ideas and works of the national measurement computer can be said to him. One man had meant to say at the computer. More commonly known as the calculator or calculating machine, the computer tends to be. However, now that the computer can understand, we can process a digital device. In other words, the computer is the `` programmable digital electronic device`` .A Computer is a machine that manipulates data according to a list of instructions. Many countries around the world, has been given to the definition of Copy Right Act, computers, computer `mechanical sense, Elector-mechanical Bangle Technology electronic, magnetic, electromagnetic, digitalOr by the use of optical or other logical or mathematical impalas keno method or the work performed by one of the following devices or systems that তথ্যপ্রক্রিয়াকরন 'refers to. Simply because the computer calculation, measurement or calculation is not gauge. Now virtually all types of computer work or work processes.