Fundamental Knowledge of Computer

Things to remember

• The computer is an electronic machine which generates information by processing raw data according to the prescribed instructions. It accepts data, process it and give required output.
• The set of steps that the computer follow to receive data, process the data according to the instructions, display the result and store the result is known as Information Processing Cycle.
• The information processing cycle has four steps. They are input, process, output and storage.
• The computer data from the user through input devices such as keyboard, mouse etc.
• Monitor, printer, plotter etc are some of the common examples of output devices.
• The meaningful result obtained after processing is known as information.
• The collection of computer programs and related data that provide the instructions telling a computer what to do is called software.
•  The physical parts of the computer that can be touched, seen and felt are called hardware.