What is video on PC?
Any digital moving picture, which includes a computer file in video formats such as MP4, MOV, M4V, AVI, DivX or FLV. Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals.A Digital Video Recorder (DVR) records video to local storage devices, most commonly a hard drive. DVR can record analog video sources on-site or capture video from a digital source. DVRs can be connected to analog cameras via coaxial cables, enabling them to be accessed remotely.