18. A receiver detects a signal with a power level of -30 dBm. What is the RMS voltage of this detected signal? Assume a load resistance of 60 Ω. Handwritten Calculation required.
a) 7.75 V
b) 7.75 mV
c) 245 mV
d) None of the above.
19. Is a GPS unit in a consumer electronic (CE) device a transceiver?
a) No.
b) It depends on the satellite constellation.
c) It depends on the CE manufacturer.
d) Yes.
20. Which of the following communication technologies provides that fastest connectivity?
a) 5GHz WI-FI
b) 5.9 GHz V2X
c) 5G sub-6 GHz
d) 5G mmWave
21. What is the frequency range among the following that is most appropriate for a baseband signal in digital wireless communications?
a) kHz
b) GHz
c) THz
d) All the above
22. Select the correct option with frequencies ordered from lowest to highest.
a) LF, UHF, HF, Microwave, Visible light
b) LF, UHF, HF, Visible light, Microwave
c) UHF, Visible Light, LF, HF, Microwave
d) Microwave, UHF, HF, LF, Visible light
e) Visible Light, UHF, Microwave, LF, HF
23. What is the main technical body that standardizes cellular communications? Select the most accurate option.
a) IEEE
b) 3GPP
c) ITU
d) ISED
24. Who is the father of the digital information age?
a) Guglielmo Marconi
b) Samuel Morse
c) Alexander Bell
d) Claude Shannon
e) James Maxwell
25. What type of electrical signal is inputted into a digital demodulator after propagating through a wireless channel?
a) Square wave signal
b) Sinusoidal Signal
c) Analog signal
d) Digital Signal