The USB scanner is made by many of the top electronics manufacturers besides the Canon brand scanners seen in the image above. Check out all USB scanners through the following link:
…Browse All USB scanners here.
The USB scanner shown above is the best selling USB scanner in the flatbed scanners category. This one is the Canon canoscan color image scanner. The power and connection is all done through one USB cord. Just plug in, install and start scanning.
…More details about the Canon USB scanners here!
This exact USB scanner has great customer feedback, and is used very easily with one USB port that does everything. Plenty of other scanners to browse through besides this one from the same source.
When computers and other electronics are involved, it is best to read the reviews and feedback for yourself. Some of the negative comments pertained to technical issues that may or may not be dependent on the technical skill level of the user.