Computers are present in every aspect of human life. A computer is a broad concept in and of itself. It contains a wide range of concepts, phrases, and terminologies. It is critical to comprehend each and every component of a computer, as well as its terminologies, in order to comprehend the computer as a whole. CPU, RAM, hardware, software, and so on are some of the most basic computer words. The term CPU refers to a computer's central processing unit. This is where computer data is processed. Furthermore, it performs all data manipulation, calculations, and data formatting for output. "Random Access Memory" or "Ready Access Memory" is the abbreviation for "Random Access Memory" or "Ready Access Memory." It's a temporary notepad where your computer transfers data to disc or to the location where instructions from other input devices are stored. Hardware refers to all of the physical components of a computer system. It consists of the monitor, keyboard, and mouse, as well as the main case, which houses the RAM, CPU, and motherboard. The term'software' refers to the instructions required to make a computer work. In nature, it is intangible.