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There is a computer with 1 GB of physical memory and a triple layered mapping system (The top layer table consists of one page). Each entry in the table is 4 bytes (32 bits). 26 bits represt the page number.
How many bits in the virtual adress represt the offset?
What is the maximal virtual space possible this system can support?

Thanks in advance for the help!

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the answer is 42

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