Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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When a request's size is more than the capacity of the cache, the central processing unit moves the data to the main memory and the write buffer returns the information. What are the following steps to take?
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- What should the CPU do when a cache request arrives while a block is being flushed back to main memory from the write buffer?arrow_forwardIn the event that the request is too big to fit in the cache, the central processing unit will transfer it to the main memory, and the write buffer will then return the memory block. How do we move forward?arrow_forwardWhen a processor submits a request that cannot be satisfied by the cache, and a block is being pushed back to main memory from the write buffer, should something happen?arrow_forward
- HELP WITH PART A,B, AND Carrow_forwardIf the CPU receives a cache request while returning a block from the write buffer to main memory, what action should it take?arrow_forwardWhat happens if the central processing unit (CPU) makes a request that cannot be satisfied by the cache while relocating a block back to main memory from the write buffer?arrow_forward
- 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 happens if the processor makes a request that hits the cache while sending a block from the write buffer to main memory?arrow_forwardTrue or false: Temporal locality is the tendency for a program to access a memory address shortly after accessing a 'nearby' memory addressarrow_forward
- At the same time as it sends a block from the write buffer back to main memory, the processor makes a request to the cache.arrow_forwardWhat happens if the processor sends a request to the cache that is refused while the write buffer is writing a block back to main memory?arrow_forwardWhat action should be taken by the central processing unit in the event that a cache request is received while a block is being returned from the write buffer to the main memory?arrow_forward
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