A computer is a machine composed of hardware and software components. A computer receives data through an input unit based on the instructions it is given and after it processes the data, it sends it back through an output device.
hardware is any physical device used in or with your machine, whereas software is a collection of codes installed onto your computer's hard drive. Word processing software uses the computer processor, memory, and hard drive to generate and save documents. In a computer, hardware is what makes a computer work.
is a type of data that is represented or displayed in the binary numeral system. Binary data is the only category of data that can be directly understood and executed by a computer. It is numerically represented by a combination of zeros and ones.