Sistemas Operativos Gestão de Memória
Memória Virtual
Memória Virtual
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Conversão <strong>de</strong> En<strong>de</strong>reços com uma Tabela (2/2)Virtualaddressspace60K-64K56K-60K52K-56K48K-52K44K-48K40K-44K36K-40K32K-36K28K-32K24K-28K20K-24K16K-20K12K-16K8K-12K4K-8K0K-4KXXXX7X5XXX340612Virtual pagePhysicalmemoryaddress28K-32K24K-28K20K-24K16K-20K12K-16K8K-12K4K-8K0K-4KPage framePagetable1 1 0 0 0 0 0 0 0 0 0 0 1 0 015141312111098765432100000000000001110001010000000000111000001100010100000101000111111110Virtual page = 2 is usedas an in<strong>de</strong>x into thepage tablePresent/absent bit0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 012-bit offsetcopied directlyfrom inputto outputOutgoingphysicaladdress(24580)Incomingvirtualaddress(8196)