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Please provide answers and explanation. 1. An allocated block at address 0400138 is to be freed. Blocks have a 4 byte header and a 4

Please provide answers and explanation.

1. An allocated block at address 0400138 is to be freed. Blocks have a 4 byte header and a 4 byte footer containing the size in the upper 29 bits and the least significant bit is 1 if the block is allocated and 0 if free. Here is a portion of memory: Address Contents w 04001300000089040013400000210x4001380x1B347C0x40013C0x000000 1. What is the size of the block at 0400138 ? 2. What is the size of the previous block? 3. Is the previous block allocated or free

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