![]() ![]() Usually, the word peripheral is used to refer to a device external to the computer case, like a scanner, but the devices located inside the computer case are also technically peripherals. ![]() According to the most technical definition, the only pieces of a computer notconsidered to be peripherals are the central processing unit, power supply, motherboard, and computer case. Many new devices such as digital watches, smartphones and tablet computers have interfaces which allow them to be used as a peripheral by a full computer, though they are not host-dependent as other peripheral devices are. RAM-random access memory-straddles the line between peripheral and primary component it is technically a storage peripheral, but is required for every major function of a modern computer and removing the RAM will effectively disable any modern machine. Other examples of peripherals are expansion cards, graphics cards, image scanners, tape drives, microphones, loudspeakers, webcams, and digital cameras. OverviewĪ peripheral device is generally defined as any auxiliary device such as a computer mouse or keyboard, that connects to and works with the computer in some way. Human Machine Interface (HMI) peripherals. ![]()
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