Fragmentation is fragments of memory words unused in a page fragments of memory words used in a page dividing the main memory into equal-sized fragments dividing the secondary memory into equal sized fragments Correct! Wrong! Critical region is the portion of the main memory which can be accessed only by one process at a time a part of the operating system which is not allowed to be accessed by any process a set of instructions that access common shared resource which exclude one another in time none of the above Correct! Wrong!
