Computer Networking
Which of the following frequency ranges is used for AM radio transmission?

Very Low Frequency : 3 kHz to 30 kHz
High Frequency : 3 MHz to 30 MHz
None of these
Very High Frequency : 30 MHz to 300 MHz
Medium Frequency : 300 kHz to 3 MHz

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

Multiple remote host or applications accessed by a single local access circuit terminal and circuit
None of these
widely dispersed terminals and access to international packets switched services
All of these
bursty traffic and low communications intensity

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Computer Networking
RS-232-G

None of these
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
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

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