Exercises VI: Virtual Memory

21 novembro 2014, 08:00 • Nuno Santos

Exercises VI: Virtual memory.

Disk Drives

19 novembro 2014, 12:30 • José Monteiro

DMA issues: cache coherence; virtual vs physical addresses.

Operation of the hard disk drives. Flash memories. Dependability and availability metrics. RAID system.

IO System

18 novembro 2014, 11:00 • José Monteiro

The IO system: characteristics, issues. Types of buses. Device IO controllers: data, control and status ports. Access to devices: memory-mapped vs independent-IO. Role of the operating system. Communication: polling, interrupt, DMA.

Exercises VI: Virtual Memory

17 novembro 2014, 08:00 • Nuno Santos

Exercises VI: Virtual memory.

Second Lab Assignment: Memory Hierarchy

14 novembro 2014, 08:00 • Nuno Santos

Second lab assignment: Memory hierarchy.