A) FDM uses different frequencies to carry signals, while TDM uses time slots

B) FDM is used for digital signals, while TDM is used for analog signals

C) FDM requires a single channel, while TDM requires multiple channels

D) TDM is a type of analog modulation, while FDM is digital

C) M-PSK increases the complexity of the system without reducing bandwidth

D) M-PSK is less power efficient than BPSK

A) M-PSK requires more bandwidth for the same transmission rate

• B) M-PSK reduces the transmission bandwidth by a factor of m

D) Pulse Modulation

A) Frequency Modulation (FM)

C) Amplitude Modulation (AM)

B) Phase Modulation (PM)

B) It delivers no information about the carrier to the receiver

C) It is more efficient than Amplitude Modulation (AM)

A) It requires less bandwidth than other modulation schemes

D) It is used primarily in digital communication

B) Binary Phase Shift Keying (BPSK)

D) Amplitude Modulation (AM)

C) Quadrature Phase Shift Keying (QPSK)

A) Binary Frequency Shift Keying (BFSK)

D) 30 kHz

A) 5 kHz

B) 10 kHz

C) 20 kHz

B) Non-Random Zero-Level Encoding

D) New Return Zero Encoding

• C) Non-Reversible Zero-Level Encoding

A) Non-Return to Zero Level

C) Encoding

A) Sampling

D) Modulation

B) Quantizing

B) Data is transmitted in both directions, but not at the same time

C) Data is transmitted and received simultaneously

A) Data is transmitted in one direction only

D) Data is only received, not transmitted

D) To reduce noise in the system

B) To recover the message signal at the receiver

C) To modify the carrier signal with information from the message signal

• To decode the signal