View All num of num See all Photos Cerner This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.cerner.com Profile Unclaimed Overview Reviews Salaries Interviews Jobs Photos Benefits 818 Reviews 2.2k Salaries 695 Interviews Follow Add Review or Salary Follow Add Review or Salary Interview Question Software Engineer Interview(Student Candidate) Cerner "Can you explain what a garbage collector is?" Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 2 Answers ▲ 0 ▼ The interviewer prefaced the technical portion, saying that he knows I may not have answers to all the questions since I am still in school and learning. He just wanted me to reason through and try my best.I honestly did not have very well thought out answers to the technical interview, but was invited to a second interview on their campus. Interview Candidate on Oct 19, 2013 ▲ 1 ▼ In computer science, garbage collection (GC) is a form of automatic memory management. The garbage collector, or just collector, attempts to reclaim garbage, or memory occupied by objects that are no longer in use by the program. Garbage collection was invented by John McCarthy around 1959 to solve problems in Lisp. Neil on Oct 20, 2013 Add Answers or Comments To comment on this, Sign In or Sign Up.