I just found a study that explores people's perception of their computer-email-web (CEW) fluency to their actual abilities performing related tasks. There were 61 subjects with 51% female. This study found that males and females had virtually identical actual CEW knowledge, but in general, males perceived their CEW knowledge has higher that their actual knowledge while the female perception was lower than the actual knowledge. In case the link to the full-text article does not work, here is the citation:
Computers in Human Behavior
Volume 23, Issue 5, September 2007, Pages 2321-2344,
Ulla Bunz, Carey Curry, William Voon
Full text available through Science Direct
Here is an article that looks at how female high school students respond to single-sex classrooms for computer education versus mixed-sex classrooms. Taken place in Nova Scotia, the general conclusion is that females responded better in single-sex settings.
In Denmark, Norway, Sweden, and Iceland, there are several ongoing projects and past projects that look into topics surrounding Gender and Information Technology. I found a conference presentation from the Women and Information Society Conference in 2000 that outlines some of those projects and resources.