Computer

COMPUTER : Computer is an electronic device which takes data, information, and instructions thru In-put devices, processing it at C P U and gives out the meaning-ful results thru Out-put devices. Following are the works to do by using a COMPUTER C - Calculate: Computer can perform Arithmetic & Logical calculations. O - Operate : We can operate other machines by using computer. M - Memory : We can store large amount of information by using computer. P - Process : We can do repetitions of a work by using computer U - Update : We can up-to-date our information. T - Transfer : We can transfer our information one place to another. E - Edit : We can change our information more effectively. That means we can correct the spelling, grammar mistakes, paragraph settings etc. R - Retrieve : We can feed back our information from memories any time. PERIPHERAL DEVICES: The components which are used to get extra necessary action from the computer are called as peripheral devices. Except standard I/O devices. i.e. keyboard and monitor. All other devices are called peripheral devices.