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  1. Communications (1985 Video)

    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 60 min.

    Topics covered include the digital PABX, the feature telephone, local area networks, value-added networks, OSI, computer standards and video conferencing. Issues of security, data protection, effects on jobs...

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  2. Cybersecrecy (1995 Video)

    Director
    Martin Durkin
    Producer
    Martin Durkin
    Subject
    Technology
    Distribution
    out of distribution, Videocassette. VHS. col. 52 min., 1997 sale: £19.95 (+VAT +p&p)

    Cryptography, or code-making, is at the centre of a battle between governments, scientists and civil rights groups. Governments consider codes used by companies, political groups and criminals as a threat to...

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