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