Memory Hierarchy
1 Memory Hierarchy
Outline Random-Access Memory(RAM) Nonvolatile Memory Disk Storage Locality Memory hierarchy Suggested Reading: 6. 1, 6.2, 6.3 Nonvolatile:非易失的
2 Outline • Random-Access Memory (RAM) • Nonvolatile Memory • Disk Storage • Locality • Memory hierarchy • Suggested Reading: 6.1, 6.2, 6.3 Nonvolatile: 非易失的
6. 1 Storage Technologies
3 6.1 Storage Technologies
6. 1.1 Random-Access Memory
4 6.1.1 Random-Access Memory
Random-Access Memory (RAM) y features RAM is packaged as a chi Basic storage unit is a cell(one bit per ce Multiple raM chips form a memory
5 Random-Access Memory (RAM) • Key features – RAM is packaged as a chip. – Basic storage unit is a cell (one bit per cell). – Multiple RAM chips form a memory