Frequency Modulation (FM) is: [select all that apply]
Select all that apply: digital signal compression…
Most populous areas have hundreds of radio signals traveling through the air. It is possible to listen to just one because: [choose all that apply]
Which are true about data capacity of a channel?
Creating and Sending data:
Estimate much data (in bytes) is required by the following activities (show your work!)
A) a tweet (max 140 characters)
B) a 10 page paper (just the characters in the text, not the formatting)
C) a 30 second recorded phone message (uncompressed)
A 1 Megabyte file needs to be transmitted, but the available capacity is only 100 kilobits/second. How long will it take to transmit the file?
A radio wave is transmitted with a power of 100 Watts and can be received at distances of up to 20 miles. How much power would be required to be received at a distance of 40 miles?