Where a computer mouse moves over the table surface, the trackball is:A. Stationary B. Difficult to moveC. DraggedD. Moved in small steps 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
