The mixed peripheral or bidirectional are those electronic devices that operate as input and output of information, allowing to insert or remove data from the system, either as rigid support (physical, transportable) or not. Common examples of mixed peripherals are smartphones, touch screens, modems.
The name of peripherals is due to the fact that they are not part of the central processing unit (CPU) of the computer, but can be connected to it to communicate with the outside world ( Input / Output operations ). The mixed ones are those capable of performing both tours, entry, and exit.
Examples of mixed peripherals
- Smartphones. Contemporary cell phones have full connection capacity with the computer, allowing the entry and exit of information, applications, and data of all kinds, from and to both devices.
- Multifunctional printers. New generation devices, designed to fulfill both functions independently: introduce visual information to the computer (scan) and physically extract it on paper or other media (print).
- Touch screens. It serves both the purpose of delivering visual information to the computer operator, just like conventional monitors, but it also allows data to be entered by touch.
- Rigid or hard drives ( Hard drives ). Data storage units of all kinds are at the service of the CPU both in the recovery of the saved information and in the protection of new information. They are usually found inside the computer and are usually immobile.
- Diskettes ( floppy disks ). The extinct 5¼ and 3½ floppy disks were artifacts that allowed the physical transport of small amounts of digital information, as well as feeding and extracting data from the computer.
- USB Memory Drives. The most recent evolution of portable input and output units, they are called Pendrive due to their pencil shape and their extreme portability and versatility, since just by plugging them into a USB port they can extract and enter information.
- Headsets. Known as such because they go in the head and are typical of telephone operators, microphone and headphone sets function as an output device (headphones) by receiving sound information and input (microphone) by allowing the same specific type of data to be entered.
- ZIP units. Designed for the comfortable transfer of large volumes of compressed information, they operated in the same way as floppy disks, but from specific units for this, very popular in the world of graphic design.
- Modems. Devices for the transmission of data at a distance, through telephone networks or of a different nature, allow to receive and send information equally, from and to some secondary storage medium.
- Virtual Reality Helmets. Designed to recognize the movements of the user’s head (input) and synchronize them with the display (output) on screens arranged directly in front of their eyes, the result of said actions, it is a case of mixed device widely used in specialized simulations.
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