Computer Networking
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?

Fax system
Videotex system
Microwave system
None of these
Teletex system

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Computer Networking
RS-232-G

is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
None of these

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