What does 1G refer to in mobile telecommunication?

• First generation of mobile telecommunication

• Second generation of mobile telecommunication

• Third generation of mobile telecommunication

• Fourth generation of mobile telecommunication

Which modulation technique changes the amplitude of the carrier signal?

• Amplitude Modulation

• Digital Modulation

• Phase Modulation

• Frequency Modulation

What is the frequency range of Extremely Low Frequency (ELF)?

• 3–30 kHz

• 3–30 Hz

• 30–300 Hz

• 300–3000 Hz

What is the main purpose of modulation in telecommunications?

• To increase the signal strength

• To minimize interference

• To reduce the bandwidth

• To change the signal type

Which of the following is a characteristic of 2G technology?

• Digital cellular communication

• Voice over IP

• High-speed data transfer

• Analog cellular communication

What does SNR stand for in telecommunications?

• Signal to Network Ratio

• System to Network Ratio

• Signal to Noise Ratio

• System to Noise Ratio

Which frequency band is used for FM radio?

• 30–300 kHz

• 3–30 MHz

• 3–30 kHz

• 300–3000 kHz

What is the main advantage of digital communication over analog communication?

• Higher quality

• Easier to understand

• Lower cost

• More complex

What does the term 'bandwidth' refer to?

• The type of modulation used

• The distance the signal can travel

• The strength of the signal

• The amount of data that can be transmitted

Which of the following is a type of noise in telecommunications?

• Signal noise

• Carrier noise

• Digital noise

• Thermal noise