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How could the operating system load programs into memory

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Various computers and operating systems in the past have used separate instruction and data spaces, allowing up to 2k program addresses and also 2k data addresses using a k- bit address. For example, for k = 32, a program could access 4 GB of instructions and also 4 GB of data, for a total address space of 8 GB. Since it is impossible for a pro- gram to overwrite itself when this scheme is in use, how could the operating system load programs into memory?

Reference no: EM13869469

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