What is the main advantage of the 4-state MESI snoopy cache coherency protocol when used in a system in which each processor has a separate cache compared to a snoopy cache coherency protocol that uses only 3 states M, S and I (modified, shared and invalid)

Choose the correct citation for the case which established the "minimum contacts" test for a court's jurisdiction in a case. select one: a. brown v. board of education of topeka, 347 u.s. 483 (1954). b. international shoe co. v. washington, 326 u.s. 310 (1945) c. haynes v. gore, 531 u.s. 98 (2000). d. international shoe co. v. washington, 14 u.s. code 336.