2018-10-292018-10-2919961996http://196.43.179.3:8080/xmlui/handle/123456789/7711.Introduction; 2.Primary system components; 3.Input/output hardware; 4.Mass storage systems; 5.System assembly and maintenance; 6.Troubleshooting and diagnostics; 7.Appendicesen-USUpgrading and repairing pcs 6th (Sixth) editionBook