| A | B |
|---|
| decimal | The Base 10 numbering system. |
| binary | The Base 2 numbering system. |
| hexadecimal | The Base 16 numbering system. |
| bit | the smallest unit of data |
| byte | the equivalent of 8 bits of data |
| ASCII | an 8-bit binary encoding system for alphanumeric data that can represent a max of 255 characters |
| Unicode | a 16-bit binary encoding system used today |
| Geostationary Earth Orbit | Satellites that are launched up to 22,000 miles above earth |
| Medium Earth Orbit | Satellites that are launched up to 12,500 miles above earth |
| Geostationary Earth Orbit | Satellites that are placed near the earth's equator |
| Medium Earth Orbit | It takes at least 20 of these satellites to provide communication to our entire planet Earth |
| Low Earth Orbit | Satellites that are launched up to 1,250 miles above the earth |
| Low Earth Orbit | It takes about 48 of these satellites to provide communication to the entire planet Earth |
| asynchronous | Communications not governed by timing |
| Synchronous | Communications that are fast and carefully timed between sending and receiving devices. |
| Synchronous | Communication that uses a start bit and a stop bit to coordinate transmission |
| Digital Data Service | Dedicated, point-to-point connection service |
| Digital Subscriber Line | The type of Internet service most of use have today in our homes |
