1. Hi, Everyone! Chunyi Peng
Ph.D. UCLA (2013)
Assist Prof. (2017-), Purdue; Assist Prof. ( ), The Ohio State University
Research:
Mobile networking (4G/5G)
Mobile systems (sensing applications)
Network security
Openings in undergraduate research (probe me if interested)
First time teaching CS354

2. Recap and Questions?
Syllabus… lecture formats and in-class participation, …
Record your in-class Q&A (optional, recommended)
Lab 0 (xinu setup) ?
OS from the outside (module-2)
system call
concurrent processing (multitasking)
process (vs. program)
sample codes: create, resume, wait, signal, …
*-1: (module-2, slide#25)
CS354-Fall2018

3. Today’s agenda Background quiz Review on computer architecture (CS250)
Solution posted at piazza
Review on computer architecture (CS250)
“organization of OS” (module-2)
module-3, if time allowed
CS354-Fall2018

4. Prerequisites CS250 (Computer Architecture) CS251 (Data Structures)
CS252 (Systems Programming)
CS240 (C Programming)
Or equivalent
CS354-Fall2018

5. Recap on Architecture (CS250)
Acknowledgements to Prof. Xu’s slide (architecture)
Prof. Peter Chen (U. Michigan)
Prof. Sam King (UIUC)
Prof. Klara Nahrstedt (UIUC)
Prof. Gustavo Rodriguez-Rivera (Purdue)
Overlap with Prof. Comer’s slide (module-3)

6. A Typical Computer from a Hardware Point of View
CPU
. . .
CPU
Memory
Chipset
I/O bus
Network

7. North Bridge
chip
South Bridge
Modem
Sound card
Hard disks
CD-ROM
Video
card
Memory
CPU
AGP
port
PCI bus
PCI slots
IDE controller
Serial, parallel
and USB ports

8. Typical Computer System
Memory
CPU
Programs and data .
Operating System Software
CPU OS
Network
Apps
Data

9. CS250 in 15 minutes
CS354-Fall2018

10. Switch to CS354-Presentation-1.pdf
Module-2 (“organization of OS” from the inside)
CS354-Fall2018