Question 1 of 25
Hints left: 3
Q1
Which type of modulation is used in FM radio?
Q2
What is the primary function of a demodulator?
Q3
In digital communication, what does FSK stand for?
Q4
What type of noise is caused by external electromagnetic interference?
Q5
What is a common application of spread spectrum techniques?
Q6
Which coding scheme is commonly used in error correction?
Q7
What does the term 'bit rate' refer to?
Q8
What is the Nyquist rate?
Q9
Which modulation technique varies the amplitude?
Q10
What is the primary function of a modulator?
Q11
Which device is used for frequency translation?
Q12
What does SNR stand for in communication systems?
Q13
What is the main advantage of digital communication over analog?
Q14
What does the term 'modulation index' indicate?
Q15
Which of the following is a characteristic of analog signals?
Q16
What type of data encoding method is used in digital communication?
Q17
What is the primary purpose of error detection in communication systems?
Q18
What is the bandwidth of a communication channel?
Q19
Which layer of the OSI model is responsible for error detection and correction?
Q20
In a digital communication system, what does PCM stand for?
Q21
Which of the following is a linear modulation technique?
Q22
What is the purpose of a channel in communication?
Q23
Which of the following is a characteristic of digital signals?
Q24
What type of channel is used in a wireless communication system?
Q25
What does the term 'throughput' refer to?