
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Explain the role of the page file (swap space) in virtual memory management.
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- At the same time as the processor is making a request to the cache, it is returning a block from the write buffer to main memory.arrow_forwardWhat exactly happens during a direct memory access (DMA) procedure?arrow_forwardWhat should occur if the processor sends a request to the cache while a write buffer block is being returned to main memory?arrow_forward
- During the process of transferring data from the write buffer to the main memory, the CPU may request a cache hit.arrow_forwardWhat is the functionality of direct memory access (DMA)?arrow_forwardExplain the concept of "page fault" in virtual memory systems and how it's handled by the operating system.arrow_forward
- Cache requests are sent from the central processor unit to the RAM in the system. whenever a block in the main memory write buffer has to be updated.arrow_forwardDescribe the unified memory's architecture.arrow_forwardWhen the processor issues a request that cannot be satisfied by the cache and the block is being flushed out to main memory from the write buffer, should something happen?arrow_forward
- Can you explain the pros and cons of storing disk writes in a cache?arrow_forwardIt's important to understand what non-uniform memory access is.arrow_forwardIf the CPU issues a request that is satisfied by the cache while writing a block back to main memory from the write buffer, what should occur?arrow_forward
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