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+The cache in Figure is to be redesigned to use write-back with write allocate rather than write-through. Respond to the following requests, making sure to deal with all of the address and data issues involved in the write-back operation.
Figure Detailed Block Diagram for 256K Cache
(a) Draw the new block diagram.
(b) Explain the sequence of actions you propose for a write miss and for a read miss.
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