The four-letter type of adapter are B, C, D and M that’s used with electrical devices that require power.
A device that converts characteristics of one electrical system or device to those of another that is otherwise incompatible is known as an adapter or adaptor.
Some simply adapt the physical design of one connector to another, while others change the power or signal attributes.
A host controller connects a computer to a peripheral item, such as a network, storage, or human interface item. A host controller is sometimes known as a host bus adaptor because it may be thought of as bridging the protocols used on the buses between peripheral and computer and internally to the computer.
A peripheral device can be connected to a separate jack on a computer using an adapter. They are frequently used to link legacy devices to modern ports or modern devices to legacy ports on older systems. Such adapters may have active circuitry or be fully passive.
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