GPS

September 8, 2010

Here are some of the things you should know about GPS technology:

What is GPS?
How does it work?
What are the limitations?
When was it developed?
What is geocaching?
What is AGPS?
What is D(Differentiated)GPS?
How does cell phone GPS work?

Speaking of cell phones… here are somethings you should know about cellular technology:

How do cell phones work?
What is the history of cell phones?
Are cell phones truly digital, or are they analog?
What’s the deal with who has the best coverage, and why?
How is data transferred on a cell phone?
What are “cell sites?”
What is “handoff?”
What’s the difference between SMS and MMS – and how do they work? Are they worth what they cost?
What’s the difference between CDMA and GSM?
What’s the difference between 3G and 4G?