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  2. Technology of television - Wikipedia

    en.wikipedia.org/wiki/Technology_of_television

    The technology of television has evolved since its early days using a mechanical system invented by Paul Gottlieb Nipkow in 1884. Every television system works on the scanning principle first implemented in the rotating disk scanner of Nipkow. This turns a two-dimensional image into a time series of signals that represent the brightness and ...

  3. Wireless network - Wikipedia

    en.wikipedia.org/wiki/Wireless_network

    Wireless icon. A wireless network is a computer network that uses wireless data connections between network nodes. [ 1] Wireless networking allows homes, telecommunications networks and business installations to avoid the costly process of introducing cables into a building, or as a connection between various equipment locations. [ 2]

  4. Miracast - Wikipedia

    en.wikipedia.org/wiki/Miracast

    Miracast is a wireless communications standard created by the Wi-Fi Alliance which is designed to transmit video and sound from devices (such as laptops or smartphones) to display receivers (such as TVs, monitors, or projectors). It uses Wi-Fi Direct to create an ad hoc encrypted wireless connection [ 1] and can roughly be described as " HDMI ...

  5. Presents a debate on which technology will be in tomorrow's classrooms and the pros and cons of wiring classrooms and using a wireless network. Concluding comments address the likelihood, and desirability, of placing computers throughout the entire educational process and what types of computers and capabilities are needed.

  6. Learning by television is not a new phenomenon and, as an educational medium, it has gone through some severe growing pains. Unfortunately, while advances in technologies (cable, home recorders, satellites, teleconferencing) have contributed to an increase in the number of telecourses since the mid-1970s, faculty are often unprepared to teach these courses, and the institutions involved may be ...

  7. and the pros and cons of integrating technology into education was conducted. The literature review and student responses to the surveys provided evidence in order make recommendations to educators and to help educators make a more informed decision about the advantages and disadvantages of using either method of delivery.

  8. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    Closed-circuit television ( CCTV ), also known as video surveillance, [ 1][ 2] is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point-to-point, point-to-multipoint (P2MP ...

  9. “hybrid” platform combining classical analog TV and Internet or similar platforms with data provided by multimedia services. Digital television is a revolutionary technology in broadcasting and can be considered as a gate way to an interactive media world. The first technical stage of digital broadcasting is to convert video signal that changes