6External fragmentation is:AFree memory split into small non-contiguous holesBWasted space inside an allocated blockCMemory used by the kernelDMemory that cannot be addressedView AnswerDiscussWorkspaceReportSaveEasy
7Paging eliminates which type of fragmentation?AExternal fragmentationBInternal fragmentationCBothDNeitherView AnswerDiscussWorkspaceReportSaveEasy
8Swapping means:AMoving whole processes between main memory and diskBExchanging two variablesCSwitching usersDChanging CPU registersView AnswerDiscussWorkspaceReportSaveEasy
9With a 32-bit logical address and 4 KB pages, how many entries does a single-level page table have?A4096B2^20 (about 1 million)C2^32D2^12View AnswerDiscussWorkspaceReportSaveMedium
10Which hardware unit translates logical addresses to physical addresses?ACache controllerBDMA controllerCALUDMMU (Memory Management Unit)View AnswerDiscussWorkspaceReportSaveEasy