PPT-DOS FAT CS 140 Lecture Notes: Disk Scheduling
Author : riley | Published Date : 2023-11-12
Slide 1 free File Allocation Table A 6 B 1 6 4 3 0 1 File A File B Directory 5 2 end 2 3 end 3 4 5 end 4 6 7 free 1 2 Disk Scheduling CS 140 Lecture Notes Disk
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DOS FAT CS 140 Lecture Notes: Disk Scheduling: Transcript
Slide 1 free File Allocation Table A 6 B 1 6 4 3 0 1 File A File B Directory 5 2 end 2 3 end 3 4 5 end 4 6 7 free 1 2 Disk Scheduling CS 140 Lecture Notes Disk Scheduling. There are two types of trans fat Naturally occurring trans fats are caused by the way that some animals such a s cattle Artificial synthetic industrial or manufactured trans fats are caused by the way some fats and oils are processed Why is trans fa \f\f\f\f\f\b\f Slide . 1. Too Much Milk. . Person A. 3:00. Arrive home: no milk. 3:05. Leave for store. 3:10. Arrive at store. 3:15. Leave store. 3:20. Arrive home, put milk away. CS 140 Lecture Notes: Concurrency. Slide . 1. Uniprocessor . Locks. void . lock_acquire. (. struct. lock *l) {. . intr_disable. ();. if (!l->locked) {. l->locked = 1;. } else {. . queue_add. (&l->q, . Slide . 1. Uniprocessor . Locks. void . lock_acquire. (. struct. lock *l) {. . intr_disable. ();. if (!l->locked) {. l->locked = 1;. } else {. . queue_add. (&l->q, . Slide . 1. Technology Changes. Mid-1980’s. 2012. Change. CPU speed. 15 MHz. 2.5 GHz. 167x. Memory size. 8 MB. 4 GB. 500x. Disk capacity. 30 MB. 500 GB. 16667x. Disk transfer rate. 2 MB/s. 100 MB/s. \r\f\t \r\f\f \r\f\r\r \r \t \t\b\n\n \n\r\r\b\r\n\b\n\n\b\n\r\n \r ] v]