Which device is responsible for modulating digital computer signals into analog waves for transmission over traditional telephone lines, and demodulating them back? MCQ with Answer and Explanation
Which device is responsible for modulating digital computer signals into analog waves for transmission over traditional telephone lines, and demodulating them back?
A. Gateway
B. Router
C. Bridge
D. Modem
Answer: Option D
Solution (By JKSSB Mock Tests)
A modem (Modulator-Demodulator) converts digital signals from a computer into analog signals for communication cables, and vice versa.
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