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Addressable Memory

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What is meant by addressable memory capacity?
What is meant by directly addressable memory capacity?

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Solution Summary

The expert determines what is meant by addressable memory capacity. The direct addressable memory capacity is given.

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"What is meant by addressable memory capacity? "
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In a 32-bit computer, the memory addresses are 32 bits long and stored as binary (base 2) numbers. There are approximately 4 billion possible different 32-bit binary numbers (2^32=4,294,967,296). Because of this, there is a 4GB limit for addressable memory in a 32-bit computer.

A program instruction on an Intel 386 or later CPU can address up to 4GB of memory, using its full 32 bits. Each process is assigned an address space of 4GB of ...

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