Computer Science 010
Introduction to Computer Applications

Fall 2010, Siena College

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Agenda

• Announcements
• Lecture assignment recap
• File Systems
  • Allocating disk space for files
  • Fragmentation/Defrag
  • Deleting files
  • Folders/directories
  • Partitions and devices
• Operating Systems
  • Functions of an OS
  • Booting

Lecture Assignment 16

Due at the start of class, Monday, November 8.

Please submit answers to these questions in Blackboard by the start of class. We will discuss these questions at the start of class, so no late submissions are accepted.

1. Briefly explain why it would be advantageous to have all of the data blocks for a given file in adjacent blocks on the disk.
2. Starting with the disk allocation below for a FAT filesystem:
   

   Show what the FAT would look like after the file fall is deleted.

3. Now, starting with the disk allocation after fall is deleted, show what the FAT might look like (there are many correct possibilities) after a new file winter is added to the system that requires 5 disk blocks.