meaning of peripheral

1. Of or pertaining to a periphery; constituting a periphery; peripheric.
2. External; away from the center; as, the peripheral portion of the nervous system.
3. peripheral Or "peripheral device", "device" Any part of a computer other than the CPU or working memory, i. e. disks, keyboards, monitors, mice, printers, scanners, tape drives, microphones, speakers, cameras, to list just the less exotic ones. High speed working memory, such as RAM, ROM or, in the old days, core would not normally be referred to as peripherals. The more modern term "device" is also more general in that it is used for things such as a pseudo-tty, a RAM drive, or a network adaptor. Some argue that, since the advent of the personal computer, the motherboard, hard disk, keyboard, mouse, and monitor are all parts of the base system, and only use the term "peripheral" for optional additional components.
4. computer science electronic equipment connected by cable to the CPU of a computer; "disk drives and printers are important ">peripherals"

Related Words

peripheral | peripheral component interconnect | peripheral device | peripheral nervous system | peripheral vision | peripherally |

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