The communication device that sends and receives data over telephones lines is called…………
a) dial-up modem
b) DSL modem
c) ISDN modem
d) none of these
The modem that is used to connect a personal computer to internet.
a) dial-up modem
b) DSL modem
c) ISDN modem
d) none of these
Explanation: DSL stand for digital subscriber line
A DSL modem is typically external and connects to a computer via
a) USB
b) ethernet
c) both a & b
d) none of these
The device that is used to transmit data, voice, and video over a normal telephone line is called.
a) DSL modem
b) ISDN modem
c) dial-up modem
d) none of these
Explanation: ISDN stand for integrated service digital network
The speed of ISDN modem is ……. than dial-up modem.
a) faster
b) slower
c) medium
d) none of these
The smaller ISDN modem/s has/have …ports.
a) one analog
b) two digital
c) both a & b
d) none of these
