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040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn---
0861 |aCo24-29/1979E-PDF
1001 |aBochmann, Gregor V., |d1941- |eauthor.
24510|aPossible data base structures for future applications of videotex terminals / |cGregor V. Bochmann.
264 1|a[Ottawa] : |bDepartment of Communications, |c1979.
300 |a1 online resource (vii, 40 pages)
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
500 |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada].
500 |a"Mai 1979."
504 |aIncludes bibliographical references.
520 |a"There are presently several Videotex systems in the early operational or development stages. The principle of these systems is to provide access to some data base for a large class of users through an inexpensive terminal which uses an ordinary TV set for the display of the retrieved information. While user feedback to the data base is possible in most systems through the use of a key pad, the information retrieval procedures of the present systems are very simple-minded, consisting mainly of going interactively through a hierarchical directory of menu choices"--Executive summary, page iv.
69207|2gccst|aVideorecordings
69207|2gccst|aInformation systems
7101 |aCanada. |bDepartment of Communications.
85640|qPDF|s1.34 MB|uhttps://publications.gc.ca/collections/collection_2019/isde-ised/Co24-29-1979-eng.pdf