1.1.1 refers to CCTV cameras which us an analog video signal that is transmitted over coaxial cable back to
a video recorder or monitor.
1.2.1 recorder (DVR) and stored on a hard drive (like the ones in Windows and Macs computers).
2.1 Refers to recording, manipulating, and displaying moving images, especially in a format that can be
presented on a television.Refers to displaying images and text on a computer monitor.
3.1 AVI (Audio Video Interleaved = Audio Video Interleaved), MPEG (Moving Pictures Expert Group =
Group Experts Movie), MOV has been recently developed by Microsoft, RM is the proposal of Real
Networks for video files, FLV is a format that uses the Adobe Flash player to view video on the
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