Question 2 (a) Appraise four quality of factor factors. For each factor, describe which technique needs to be used to achieve better performance. (12 marks) (b) Analyze an image that needs to be transmitted in a communication channel. The image has 1024 768 pixels with 8 bits/pixel. (i) Consider a noiseless channel with a bandwidth 10 MHz, analyse the data transmission rate of this channel. (6 marks) (ii) Consider a noisy channel with a bandwidth 10 MHz, the data transmission rate is 70 Mbps, analyse the signal-to-noise ratio of this noisy channel. (7 marks)