Related Questions

Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
A PC
B synchronous port
C crossover cable
D asynchronous port
E None of the above
When —— telephone invented?
A is
B had
C has been
D was
Why were the telephone, radio, and TV invented?
A A Lack of understanding signs, symbols and gestures
B For communicating across long distances
C Signs. symbols and signals became obsolete
D For new forms of entertainment
In which decade was the telephone invented?
A 1850s
B 1860s
C 1870s
D 1880s
The right word to fill in the gap of the following sentence --- 'Give her a telephone number to ring --- she gets lost' ---
A Whether
B Incase
C Unless
D Perhaps
Alexander Graham Bell _____ the telephone.
A inventing
B who invented
C invented
D in inventing
The line is busy; someone "should be using" the telephone now. (Match the best alternative that correspond to the quotations word)
A must be using
B should be using
C must have used
D should have used
Rizvi requested Rini ----telephone to attend the meeting.
A over
B through
C with
D by
Eight telephone poles are each 15 feet apart. What is the distance, in feet, from the first to the last pole ?
A 60
B 85
C 105
D 120

Next steps