UMBC CMSC 313, Computer Organization & Assembly Language, Fall 2004, Section 0101

Virtual Memory

Tuesday 10/19, 2004

Up]

Assigned Reading in Murdocca & Heuring:   

Assigned Reading in Neveln:  9.1-9.8

Assigned:   

Due:   

Intended Slides (in PDF): Slides14.pdf

Topics Covered:

• A sample midterm exam was handed out. Available online in PDF: oldexam1.pdf.
• The projector in ITE 227 was broken again. Lecture was given on the white board. Slides14.pdf has the slides that roughly corresponds to the lecture given.
• The two-tiered page table used by Linux on the Pentium platform.
• Linux uses virtual memory to solve the problems of:
  1. not enough physical memory
  2. memory fragmentation
  3. memory protection
• Segmentation and shared code.