Question: Solution should be step-by-step

Consider the integration of three analog sources and four identical digital sources through a time-division multiplexer that uses its entire 160 Kb/s maximum capacity. The analog lines - with bandwidths of 5 KHz, 2 KHz, and 1 KHz, respectively - are sampled, multiplexed, quantized, and 5-bit encoded.

a.) For the analog sources, find the total bit rate.

b.) For the digital sources, find each line's bit rate.

c.) Find the frame rate if a frame carries eight sampled analog channels, four digital data channels, a control channel, and a guard bit.

Short Discussion:

1. What is computer networking?

2. Why it is a little difficult to master this field? (Clue heterogeneous field wired, wireless, computer, phone, business, and engineering)