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A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony , live streaming and social media , and security . Webcams can be built-in computer hardware or peripheral devices , and are commonly connected to a device using USB or wireless protocol .
The USB video device class (also USB video class or UVC) is a USB device class that describes devices capable of streaming video like webcams, digital camcorders, transcoders, analog video converters and still-image cameras.
This could largely be the result of Apple building webcams into their laptop and desktop computers, negating the need for external third party devices [dubious – discuss]. Many recent models implement the USB video device class standard and work under Mac OS without additional drivers.
iSight is a brand name used by Apple Inc. to refer to webcams on various devices. The name was originally used for the external iSight webcam, which retailed for US$149, connected to a computer via a FireWire cable, and came with a set of mounts to place it atop any then current Apple display, laptop computer, all-in-one desktop computer, or round surface.
In its base form, the laptop is equipped with recessed slots containing USB-C ports that can be used directly. These slots can be attached with an assortment of interchangeable cards that add features such as USB-C (passthrough), USB-A , DisplayPort 1.4 , HDMI 2.0b , MicroSD , 2.5-gigabit Ethernet, and 3.5 mm headphone jack , as well as form ...
A peripheral can be categorized based on the direction in which information flows relative to the computer: The computer receives data from an input device; examples: mouse, keyboard, scanner, game controller, microphone and webcam; The computer sends data to an output device; examples: monitor, printer, headphones, and speakers
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