Many data communication networks have been established which provide a – McqOptions

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1.	Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?
A.	Teletex system
B.	Fax system
C.	Videotex system
D.	Microwave system
Answer» D. Microwave system

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