I agree that you must step back and let your daughter do this legwork. She is going to be on her own in 6 months and you need to let her develop the skills to talk to professors, admissions/financial aid staff, and more!
The fact is, tons of students don't declare a major until the end of sophomore year. That's why she had the option of "undecided" on the form. They do like to get a general idea of students' plans, but these are not written in stone. My guess is, the "computer science" and 'exploratory track in computer and informatics" have a lot of similar (or identical) courses in the first year anyway. My son wanted to get into civil engineering, but so did a ton of other students. The college assigned him to environmental engineering because all the courses are similar. He also took an exploratory engineering class which was made up of 3-week segments from various disciplines (civil, mechanical, environmental, and so on) and this was a fantastic way to learn about the many offerings at the college. After the end of the first semester and even the second semester, lots of kids transfer out to other majors, and things open up. Exploratory courses are brilliant ways to start.
In any case, none of us will know about that particular program, as Anne said. (She's a college professor and even she wouldn't know what the Umass program entailed - that's specific to each school!) Follow her advice. Mamapedia is a national forum and the likelihood of finding anyone here who has been involved in computing and informatics in the last year or two at Umass is slim to none.
You say that you want your daughter to stay close to home - please examine what it is that makes you so nervous or concerned about her branching out, growing up, and making her own decisions in these areas. The more you cling to her, the more she may pull away, or conversely, the more she will be ill-equipped to function on a daily basis without you there! Please, give her the vital gift of independence and self-sufficiency, or she will not be able to manage in a university setting where she must navigate for herself every day.