Raspberry Pi A+ is the latest version of Raspberry Pi. Raspberry Pi A+ has a couple of differences from the previous version of Model A. The following are the major differences:
Raspberry Pi A+ uses a micro SD card
It has a larger, 40-pin I/O connector
You now need an adaptor cable if you want to use the AV output to connect your Raspberry Pi A+ to a TV.
The Raspberry Pi A+ is shown below: