Ocean. Vocabulary Biome: A large community of plants and animals that occupies a distinct region. Terrestrial biomes, typically defined by their climate and dominant vegetation, include grassland, tundra, desert, tropical rainforest, and deciduous and coniferous forests.
Best Answer: A DVR is just a hard drive that records the digital video signal, or converts the analog video signal to digital, and records that. You do not have to have cable.
A Digital Video Recorder (DVR) is a device that records video in a digital format to a disk drive. DVRs made specifically for CCTV Security Surveillance System applications record video signals from security cameras.VR vs. NVR. Both DVRs and NVRs can range from entry to enterprise level. NVRs, with the use of video encoders and supported recording software can provide a hybrid system where analog, digital and IP cameras can coexist.