Module 5
I/O management and Disk scheduling
, I/O devices
• Human readable
• Printer, Display, etc.
• Machine readable
• USB, disk drives, CD drive, sensors etc.
• Communication
• Modems, digital line drivers etc.
, • Differences within each class
• Data rate
• Application
• Complexity of control
• Unit of transfer
• Data representation
• Error conditions
I/O management and Disk scheduling
, I/O devices
• Human readable
• Printer, Display, etc.
• Machine readable
• USB, disk drives, CD drive, sensors etc.
• Communication
• Modems, digital line drivers etc.
, • Differences within each class
• Data rate
• Application
• Complexity of control
• Unit of transfer
• Data representation
• Error conditions