Explain the purpose of the global descriptor table register, Electrical Engineering

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Explain the purpose of the global descriptor table register.

The GDTR stand for global descriptor table register and IDTR stand for interrupt descriptor table register contain the base addresses of the descriptor table and its limit. The limit of each descriptor table is 16 bits since the maximum table length is 64 Kbytes. While the protected mode operation is needed, the address of the global descriptor table and its limit are loaded in the GDTR.


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