The word “Computer” means an electronic device which takes the input in the form of raw data from the input devices, stores it in the memory, and processes required operations on the raw data according to a set of instructions to get the desired output in the form of meaningful information through the output devices.
In simple words
Computer is an electronic device that receives input, stores and manipulates data, and provides output in a useful format”.
An electronic device that stores, retrieves and processes data, and can be programmed with instructions. A computer is composed of hardware and software, and can exist in a variety of sizes and configurations.