Two key characteristics of a process are: scheduling/execution and ________.

A constant object must be _______; it cannot be modified after it’s created.

Fill in the blank(s) with the appropriate word(s).

Case 7-1 Joseph is working on several windows at a time. He requires good computer skills and knowledge to be able to work on all of them efficiently. With multiple File Explorer windows open, Joseph clicks on the miniature images, which appear when he clicks the corresponding button on the taskbar, to switch to the window that he wants to work on next. These miniature images are referred to as _____.

A. ?watermarks B. ?thumbnails C. ?add-ons D. ?indexers