The document provides a history of television, describing some of its defining features and how it evolved over time. It discusses early developments in the 1920s and 1930s, the growth of TV stations and audiences in the 1940s and 1950s, the rise of networks and color TV in the 1950s and 1960s, and increased competition from cable TV in the 1980s and 1990s. It also covers the transition to digital TV beginning in the late 1990s and some common terms related to television viewing.

5. TV in 1950s, 60s, 70s, 80s, 90s and onwards…. 1950s: Networks, Tapes, UHF and Color Ampex Corp. developed video tape. UHF receivers were made but had smaller coverage than VHF. Color TV was introduced. More networks were developed. 1960s: Coming of Age TV had become a part of everyday life. TV stations increased. TV journalism came in and the nightly newscasts expanded. Live coverage was available. Non-commercial broadcasting evolved. Cable TV experienced growth. 1970s: Growing Public Concern Public concern over TV grew. Exposure to TV violence increased aggressive behaviors. Growth of television syndicated programming was encouraged. Law and order programs grew. Ex: FBI. 1980s and 1990s: Increased Competition Networks kept on eroding. Audiences and the competition for new networks and cable channels increased. Capacity of cable networks increased. New cable programming service filled new channels. Advertising revenue increased.