Components of Computer System:viewpoint 2 user user user user 1 2 3 assembler text editor database system system and application programs operating system computer hardaare Viewpoint 2:Computer system hardware os applications users 4口4包，4在4·在)QC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Components of Computer System: viewpoint 2 system and application programs user 1 user 2 user 3 · · · user 4 compiler assembler text editor · · · database system operating system computer hardware Viewpoint 2: Computer system = hardware + os + applications + users
Problems: What is the hardware of a computer system? How a computer system up and running? How a progr am up and running? 1口4回，4在4生·EQC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Problems: What is the hardware of a computer system? How a computer system up and running? How a program up and running?
A modern computer system mouse keyboard printer monitor disks CPU disk USB controller graphics controller adapter memory 4口4包，4在14色，至)QC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A modern computer system
Problem: What are the operating systems that you know? Windows series.Unix series.SUN Sor laris.FreeBSD.Apple Mac OS.Linux series,... A variety of real-time,non-real-time.embedded OSes uC/0S-11,RTEMS,VxWorks.ONX,PalmoS,i0S,... 各种同络操作系统、分布式操作系统、朵屏操作系统、并行操帽 茶玩 各种研究型振作系统，等等 1口4日，4在4生E)QC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Problem: What are the operating systems that you know? ▶ Windows series, Unix series, SUN Sorlaris, FreeBSD, Apple Mac OS, Linux series, ... ▶ A variety of real-time, non-real-time, embedded OSes ▶ µC/OS-II, RTEMS, VxWorks, QNX, PalmOS, iOS, ... ▶ 各种网络操作系统、分布式操作系统、集群操作系统、并行操作 系统 ▶ 各种研究型操作系统，等等
Problem: What are the operating systems that you know? Windows series,Unix series,SUN Sor laris,FreeBSD,Apple Mac OS,Linux series,··· A variety of real-time,non-real-time,embedded OSes uC/OS-II,RTEMS,VxWorks,QNX,PalmOS,iOS,.. ·各种网络操作系统、分布式操作系统、集群操作系统、并行操作 系统 ●各种研究型操作系统，等等 4口4回，4在4色要刀QC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Problem: What are the operating systems that you know? ▶ Windows series, Unix series, SUN Sorlaris, FreeBSD, Apple Mac OS, Linux series, ... ▶ A variety of real-time, non-real-time, embedded OSes ▶ µC/OS-II, RTEMS, VxWorks, QNX, PalmOS, iOS, ... ▶ 各种网络操作系统、分布式操作系统、集群操作系统、并行操作 系统 ▶ 各种研究型操作系统，等等