Can I get admitted into University of Massachusetts, Boston with IELTS band of 6?I am targeting MS in Computer Science course there?

The intention of the department is to offer excellence in research, teaching, and technical skills. If college students are questioning what they can do with a Computer Science degree, there are numerous professional alternatives for them. According to the Bureau of Labor Statistics, Computer Science occupations are projected to grow more than twice as quick as the common for all other occupations
of Academic Eligibility:

Applicants should have a 4 12 months bachelor’s degree in a relevant area from a regarded organization with a GPA of 3.0.
Along with the minimum eligibility requirements, global students from non-English speaking countries must show English talent through IELTS/TOEFL/any equal test.

VISA
Students must complete and submit the certification of Finances Form to obtain an I-20 for use in an F-1 visa. 

Work Study
International students do not qualify for work-study on-campus or off-campus because of Federal Work-Study regulations. However, global college students can work through the school's Institutional Student Employment (Non-Work Study) program. International college students are not allowed to work for greater than 20 hours a week while classes are in session, or forty hours when instructions are now not in session. 

You can certainly get admitted into the University of Massachusetts, Boston with an IELTS band of 6. Also, you can make your profile more accepting by attaching certain appreciation documents.