CST 334 - Week 7

 For this section we first learned about I/O devices and how they interact with an operating system. One thing that stuck out to me in this section was how components that require high performance, like a graphics card, are located near the CPU and lower performance components are located further away. Slow devices would be connected to a peripheral bus, while those high-performance devices would be connected via PCI, or Peripheral Component Interconnect. We next covered hard disks in more detail, reading about basic disk operations and scheduling I/O requests. Following this, we covered RAID, or the Redundant Array of Inexpensive Disks, which is a technique use to build a faster and more reliable disk system. This works similarly to a computer system whose responsibility is managing a group of disks. Finally we learned about file systems and how they work to promote persistent storage.