1. What is the bit rate of an analog circuit with a 20 MHz symbol rate using 256-QAM?

Give the answer in Mbps.

2. My office uploads 100 files each day where the average size of a file is 200,000 bytes.

How many bits are uploaded each day from my office? Give the answer in megabits

(remember, 1 megabit = 1 million bits).

3. My office has a 1 Gbps connection to the Internet. How long does it take for my office to upload the 100 files in the previous question? Give the answer in milliseconds

(remember, 1 ms = one-thousandth of a second).