A webcam is a video camera that feeds its images in real time to a computer or computer network, often via USB, ethernet, or Wi-Fi.
Webcam is a video camera that inputs to a computer connected to the Internet, so that its images can be viewed by Internet users.
Their most popular use is the establishment of video links, permitting computers to act as videophones or videoconference stations. This common use as a video camera for the World Wide Web gave the webcam its name. Other popular uses include security surveillance and computer vision and there are also uses on sites like video broadcasting services and for recording social videos .
Webcams are known for their low manufacturing cost and flexibility, making them the lowest cost form of videotelephony. They have also become a source of security and privacy issues, as some built-in webcams can be remotely activated via spyware.
Types & Features
There are various types. Some are plugged into computers through USB ports, but others are wireless.
A Webcam may include following features:
- An integral microphone
- The ability to pan and tilt
- In-built sensors that can detect movement and start recording
- An LED that, when on, will let you know that the camera is in use.
Tag usage
The tag webcam can be used for programming related problems of a webcam devices, such as designing and programming of an user interface for a webcam. Questions with tag webcam should be related to programming only, Please avoid suggest-me-a-good-webcam type questions on stackoverflow.