Podcast
Questions and Answers
What is one of the primary roles of the operating system?
What is one of the primary roles of the operating system?
- To manage the virtual memory alone
- To only allocate physical memory
- To manage the physical resources on behalf of executing processes (correct)
- To only arbitrate memory access
What is the purpose of an address space provided by the operating system?
What is the purpose of an address space provided by the operating system?
- To allocate physical memory to a process
- To arbitrate memory access between processes
- To couple the physical memory with the virtual memory
- To decouple the physical memory from the virtual memory (correct)
What is a possible scenario when the virtual memory is larger than the physical memory?
What is a possible scenario when the virtual memory is larger than the physical memory?
- All physical memory locations are always present in virtual memory
- Some virtual memory locations are not present in physical memory (correct)
- All virtual memory locations are always present in physical memory
- Some physical memory locations are not present in virtual memory
What is a mechanism required by the operating system to manage physical memory?
What is a mechanism required by the operating system to manage physical memory?
What is the purpose of the operating system replacing contents in physical memory with contents from disk?
What is the purpose of the operating system replacing contents in physical memory with contents from disk?
What is required for the operating system to arbitrate memory access?
What is required for the operating system to arbitrate memory access?
What is the primary goal of modern operating systems in terms of memory management?
What is the primary goal of modern operating systems in terms of memory management?
What is the fixed-size unit of memory allocation in page-based memory management?
What is the fixed-size unit of memory allocation in page-based memory management?
What mechanism is used in segmentation to arbitrate accesses to memory?
What mechanism is used in segmentation to arbitrate accesses to memory?
What is the main difference between paging and segmentation?
What is the main difference between paging and segmentation?
What is the purpose of page tables in page-based memory management?
What is the purpose of page tables in page-based memory management?
Which memory management mechanism is most commonly used in modern operating systems?
Which memory management mechanism is most commonly used in modern operating systems?
What is the main function of a Memory Management Unit (MMU)?
What is the main function of a Memory Management Unit (MMU)?
What type of fault can occur when a program attempts to access memory that hasn't been allocated?
What type of fault can occur when a program attempts to access memory that hasn't been allocated?
What is the purpose of the Translation Lookaside Buffer (TLB)?
What is the purpose of the Translation Lookaside Buffer (TLB)?
What is responsible for generating a fault when an issue occurs during memory access?
What is responsible for generating a fault when an issue occurs during memory access?
What type of registers are used in a segmentation system to help with memory translation?
What type of registers are used in a segmentation system to help with memory translation?
What performs the actual translation from virtual address to physical address?
What performs the actual translation from virtual address to physical address?
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