3 Lecture Notes for This WeekIndex

3.1 From the Class Notes link on the Course Home PageIndex

510_disclaimer.txt - Acceptable Use Warning for Algonquin Internet Access
520_internet_basics.html - Internet Basics - URLs, protocols, EMail, Addresses, DNS names
530_internet_robustness_principle.txt - The Internet Robustness Principle: Be liberal in what you accept, and conservative in what you send.
550_web_what_vs_how.html - Presentation vs. Content - Separating form and content - Keeping “How” separate from “What” in Web design (See also http://www.youtube.com/watch?v=NLlGopyXT_g - The machine is Us/ing Us)
- 555_web_design.html - Web Design - Best and Worst Practices
560_course_linux_server.html - using the Course Linux Server
- 570_file_transfer.html - How to Transfer Files
- 590_how_to_report_problems.txt - How to report problems

3.1.1 AssignmentsIndex

Assignment #08 - Bitwise, Boolean, Memory (cache, virtual)
- see also Self-Mark 08

3.2 From Blackboard Course DocumentsIndex

These documents have restricted distribution and cannot be put on the Course Home Page.

06.ppt - Memory
- see memory speeds on slide 7
- see memory types, memory hierarchy (speeds), cache, virtual memory
- ignore slides 12-34, 37
- ignore anything on “segmentation” - focus on “paging” only

3.3 From the InternetIndex

http://en.wikipedia.org/wiki/Virtual_memory - see “Avoiding thrashing”
http://en.wikipedia.org/wiki/Demand_paging
http://en.wikipedia.org/wiki/Working_set
http://en.wikipedia.org/wiki/Thrashing_(computer_science)

About The Internet and its protocols:

http://en.wikipedia.org/wiki/Internet - The Internet
http://www.youtube.com/watch?v=a5837LcDHfE - How The Internet Works
http://en.wikipedia.org/wiki/IETF - Internet Engineering Task Force
http://en.wikipedia.org/wiki/RFC_Editor - Request For Comment
http://java.sun.com/docs/books/tutorial/networking/overview/networking.html - TCP, UDP, IP addressing and ports
http://www.javacoffeebreak.com/java109/java109.html - Java networking examples
http://teaching.idallen.com/cst8165/08w/notes/http_session.txt - Internet Protocol Example: HTTP (World Wide Web)
http://teaching.idallen.com/cst8165/08w/notes/smtp_session.txt - Internet Protocol Example: SMTP (EMail)

Social Commentary:

http://worldofends.com/ - What the Internet Is and How to Stop Mistaking It for Something Else
http://www.youtube.com/watch?v=NLlGopyXT_g - The machine is Us/ing Us: Separating form and content
http://www.fourmilab.ch/documents/digital-imprimatur/ - The Digital Imprimatur: How big brother and big media can put the Internet genie back in the bottle.

About creating good HTML web pages:

http://en.wikipedia.org/wiki/Web_accessibility - Web Accessibility Guidelines
http://www.w3.org/WAI/intro/wcag.php - Web Content Accessibility Guidelines (WCAG) Overview
http://www.tbs-sct.gc.ca/clf2-nsi2/ - Canadian Government: Common Look and Feel for the Internet 2.0
http://www.alistapart.com/articles/tohellwithwcag2 - To Hell with WCAG 2 (critique of WCAG2)
http://wcagsamurai.org/ - WCAG Samurai (corrections for, and extensions to, WCAG 1.0)
- Tables for layout and frames are banned and all guidelines relating to tables for layout and frames are deleted.
HTML Validation Page (validate all your pages)
- http://validator.w3.org/
- You can add a button to the bottom of any web page that will validate it for you, so that you don’t have to remember the above URL. You can get the HTML for this button from any validated web page.
Online HTML Tutorials (that validate)
- http://www.w3schools.com/html/
  - WARNING: Some of the “Try It” examples use deprecated tags and attributes! Do not copy these bad examples.
- http://www.html.net/
- http://www.w3.org/MarkUp/Guide/
- http://www.w3.org/MarkUp/Guide/Advanced.html
Cleaning up bad HTML using Tidy
- http://www.w3.org/People/Raggett/tidy/
The six biggest misconceptions about IPv6: http://www.itworldcanada.com/news/the-six-biggest-misconceptions-about-ipv6/142588

3.4 From the Classroom Whiteboard/ChalkboardIndex

Your in-class notes go here.
Be aware of line-end differences in text files on Unix/Windows/Mac.
Binary Humour: http://xkcd.com/953/
Binary Humour: http://www.thinkgeek.com/tshirts-apparel/unisex/frustrations/5aa9/

3.4.1 Memory, Cache, and Virtual MemoryIndex

cache (from 06.ppt)
- what is the purpose of cache memory?
- how does the size of cache memory affect your programs?
virtual memory (from 06.ppt)
- allows CPU to execute programs larger than physical memory
- one more level of indirection between the program and the memory
- program (virtual, logical) address - what the program uses
- memory (physical, real) address - what gets to the memory
- program has virtual pages (or just “pages”)
- memory has physical page frames (or just “frames”)
- page table, valid bit, page faults
- working set, thrashing
Review of Cache and Virtual Memory
- cache hit, miss
- three types of locality
- basic feature VM allows
- physical address vs. virtual address
- page fault, thrashing, working set
- why does page fault code have to reside in physical memory

Author: 
| Ian! D. Allen  -  idallen@idallen.ca  -  Ottawa, Ontario, Canada
| Home Page: http://idallen.com/   Contact Improv: http://contactimprov.ca/
| College professor (Free/Libre GNU+Linux) at: http://teaching.idallen.com/
| Defend digital freedom:  http://eff.org/  and have fun:  http://fools.ca/

Plain Text - plain text version of this page in Pandoc Markdown format

Week 09 Notes for CST8281 - Fall 2011

1 Midterm Test #2 - 20%Index

2 Final Exam Schedule PostedIndex