C语言40学时 Primary Storage(Main Memory The place where data and program are stored during execution It always contains the operating system Not permanent Data goes away when power is off Brooks/Cole C Brooks/Cole, 2001 Thomson Learni
© Brooks/Cole, 2001 C语言４０学时 Primary Storage (Main Memory) • The place where data and program are stored during execution. • It always contains the operating system • Not permanent. Data goes away when power is off
C语言40学时 Auxiliary (Secondary) Storage It may be permanent, erasable, slower access than main memory We will have more study in later Brooks/Cole C Brooks/Cole, 2001 Thomson Learni
© Brooks/Cole, 2001 C语言４０学时 Auxiliary (Secondary) Storage • It may be permanent, erasable, slower access than main memory • We will have more study in later