The central processing unit (CPU) of a computer is what manipulates data by performing computations. It is a core function and fundamental component of computers. Read/Write DVD drive with cradle for media extendedĬomputer data storage is a technology consisting of computer components and recording media that are used to retain digital data. When used within a robotic tape library, it is classified as tertiary storage instead. 160 GB SDLT tape cartridge, an example of off-line storage. When connected to a computer it serves as secondary storage. 15 GB PATA hard disk drive (HDD) from 1999. For broader coverage of this topic, see Data storage.
