Answer the correct answer for the following $?$

What is the primary characteristic of baseband digital modulation?

a$.$ Low$-$frequency signals

b$.$ High$-$frequency signals

c$.$ Multi$-$frequency signals

d$.$ Broadband signalsWhich of the following is a commonly used baseband digital modulation technique?

a$.$ Amplitude Modulation $($AM$)$

b$.$ Frequency Shift Keying $($FSK$)$

c$.$ Quadrature Amplitude Modulation $($QAM$)$

d$.$ Phase Modulation $($PM$)$

In baseband digital modulation, what does the term 'baseband' refer to$?$

a$.$ The lowest frequency component of the signal

b$.$ The highest frequency component of the signal

c$.$ The average frequency of the signal

d$.$ The frequency at which modulation occurs

What is the key advantage of baseband modulation in terms of signal processing?a$.$ It requires less bandwidth

b$.$ It allows for longer transmission distances

c$.$ It is less susceptible to noise

d$.$ It enables faster data rates

Which baseband modulation technique is commonly used in Ethernet communication?

a$.$ Quadrature Amplitude Modulation $($QAM$)$

b$.$ On$-$Off Keying $($OOK$)$

c$.$ Binary Phase Shift Keying $($BPSK$)$

d$.$ Frequency Shift Keying $($FSK$)$

What is the essential difference between baseband and passband modulation?

a$.$ Baseband uses higher frequencies than passband

b$.$ Baseband does not require a carrier signal

c$.$ Passband uses lower frequencies than baseband

d$.$ Passband requires a higher signal$-$to$-$noise ratio

Which baseband modulation technique is commonly used in digital audio transmission?

a$.$ Amplitude Shift Keying $($ASK$)$

b$.$ Pulse Code Modulation $($PCM$)$

c$.$ Differential Quadrature Amplitude Modulation $($DQAM$)$

d$.$ Binary Frequency Shift Keying $($BFSK$)$

In baseband modulation, what is the

typical representation of binary data?

a$.$ Analog waveforms

b$.$ Frequency spectrum

c$.$ Time$-$domain pulses

d$.$ Phase angles

What is the primary limitation of baseband digital modulation in terms of signal propagation?

a$.$ Limited bandwidth usage

b$.$ Susceptibility to interference

c$.$ Short transmission distances

d$.$ Complexity in demodulation

Which baseband modulation technique is often used in wireless communication for low$-$power devices?

a$.$ Quadrature Amplitude Modulation $($QAM$)$

b$.$On$-$Off Keying $($OOK$)$

c$.$ Binary Phase Shift Keying $($BPSK$)$

d$.$ Frequency Shift Keying $($FSK$)$

What is the role of a pulse shaping filter in baseband digital modulation?

a$.$ Enhances signal strength

b$.$ Reduces bandwidth

c$.$ Improves signal$-$to$-$noise ratio

d$.$ Shapes the transmitted pulses

In baseband digital modulation, what does ASK stand for?

a$.$ Amplitude Shift Keying

b$.$ Angular Shift Keying

c$.$ Adaptive Signal Kernel

d$.$ Advanced Spectrum Kinetics

Which baseband modulation technique is often used in optical communication?

a$.$ Binary Phase Shift Keying $($BPSK$)$

b$.$ Quadrature Amplitude Modulation $($QAM$)$

c$.$ On$-$Off Keying $($OOK$)$

d$.$ Frequency Shift Keying $($FSK$)$

What is the primary advantage of using baseband modulation in short$-$range communication systems?

a$.$ Greater signal propagation

b$.$ Lower power consumption

c$.$ Reduced complexity in modulation

d$.$ Enhanced resistance to interference

In baseband digital modulation, what does BPSK stand for?

a$.$ Binary Phase Spectrum Keying

b$.$ Bipolar Pulse Shift Keying

c$.$ Baseband Phase Shift Keying

d$.$ Binary Phase Shift Keying