帮忙看看这些进程

小弟刚接手vista,对于其中的进程了解的很不清楚,虽然部分和xp系列是一样的,但是多出来了很多东西,闹不明白是啥。请各位大大帮忙看下
进程扫描如下
Process PID CPU Description Company Name
System Idle Process 0 81.16 
Interrupts n/a 2.90 Hardware Interrupts
DPCs n/a 3.62 Deferred Procedure Calls
System 4 
  smss.exe 496  Windows Session Manager Microsoft Corporation
csrss.exe 632  客户端服务器运行时进程 Microsoft Corporation
wininit.exe 684  Windows 启动应用程序 Microsoft Corporation
services.exe 732  服务和控制器应用程序 Microsoft Corporation
  svchost.exe 928  Windows 服务主进程 Microsoft Corporation
  WmiPrvSE.exe 1680  WMI Provider Host Microsoft Corporation
  HpqToaster.exe 4568  HpqToaster Module
  nvvsvc.exe 976  NVIDIA Driver Helper Service, Version 179.39 NVIDIA Corporation
  rundll32.exe 1992  Windows 主进程 (Rundll32) Microsoft Corporation
  svchost.exe 1008  Windows 服务主进程 Microsoft Corporation
  svchost.exe 1052  Windows 服务主进程 Microsoft Corporation
  svchost.exe 1104  Windows 服务主进程 Microsoft Corporation
  audiodg.exe 1836  Windows 音频设备图形隔离 Microsoft Corporation
  MPSVC.exe 1120  MPSVC Micropoint Corporation
  MPSVC2.exe 1180  MPSVC2 Micropoint Corporation
  MPSVC1.exe 1460  MPSVC1 Micropoint Corporation
  MPMon.exe 3824  MPMon Micropoint Corporation
  svchost.exe 1488  Windows 服务主进程 Microsoft Corporation
  wlanext.exe 2148  Windows Wireless LAN 802.11 Extensibility Framework Microsoft Corporation
  dwm.exe 3600 2.17 桌面窗口管理器 Microsoft Corporation
  svchost.exe 1504  Windows 服务主进程 Microsoft Corporation
  taskeng.exe 6116  任务计划程序引擎 Microsoft Corporation
  taskeng.exe 5876  任务计划程序引擎 Microsoft Corporation
  stacsv.exe 1544  IDT PC Audio IDT, Inc.
  svchost.exe 1876  Windows 服务主进程 Microsoft Corporation
  SLsvc.exe 1896  Microsoft 软件授权服务 Microsoft Corporation
  svchost.exe 1928  Windows 服务主进程 Microsoft Corporation
  svchost.exe 856  Windows 服务主进程 Microsoft Corporation
  spoolsv.exe 2264  后台处理程序子系统应用程序 Microsoft Corporation
  svchost.exe 2304  Windows 服务主进程 Microsoft Corporation
  AEstSrv.exe 2508  Andrea filters APO access service (32-bit) Andrea Electronics Corporation
  AdskScSrv.exe 2524  System Level Service Utility Autodesk
  svchost.exe 2556  Windows 服务主进程 Microsoft Corporation
  HZ_CommSrv.exe 2608  华大智宝USB KEY通讯服务 华大智宝电子系统有限公司
  LSSrvc.exe 2684  LightScribe Service Hewlett-Packard Company
  raysat_3dsMax2009_32server.exe 2788 
  PnkBstrA.exe 2820 
  svchost.exe 2856  Windows 服务主进程 Microsoft Corporation
  BLService.exe 2888  STServices
  RichVideo.exe 2920  RichVideo Module
  sqlwriter.exe 2952  SQL Server VSS Writer Microsoft Corporation
  svchost.exe 2972  Windows 服务主进程 Microsoft Corporation
  svchost.exe 3008  Windows 服务主进程 Microsoft Corporation
  SearchIndexer.exe 3044  Microsoft Windows Search 索引器 Microsoft Corporation
  SearchProtocolHost.exe 2876  Microsoft Windows Search Protocol Host Microsoft Corporation
  SearchFilterHost.exe 4348  Microsoft Windows Search Filter Host Microsoft Corporation
  hpqWmiEx.exe 408  hpqwmiex Module Hewlett-Packard Development Company, L.P.
  wmpnetwk.exe 2292  Windows Media Player 网络共享服务 Microsoft Corporation
  Com4QLBEx.exe 4248  Com for QLB application Hewlett-Packard Development Company, L.P.
  HPHC_Service.exe 5776  HP Health Check Service Hewlett-Packard
lsass.exe 744  本地安全机构进程 Microsoft Corporation
lsm.exe 752  本地会话管理器服务 Microsoft Corporation
csrss.exe 696 2.17 客户端服务器运行时进程 Microsoft Corporation
winlogon.exe 1212  Windows 登录应用程序 Microsoft Corporation
explorer.exe 3688 1.45 Windows 资源管理器 Microsoft Corporation
rundll32.exe 1536  Windows 主进程 (Rundll32) Microsoft Corporation
Apoint.exe 1576  Alps Pointing-device Driver Alps Electric Co., Ltd.
  ApMsgFwd.exe 1772 0.72 ApMsgFwd Alps Electric Co., Ltd.
sttray.exe 1604  IDT PC Audio IDT, Inc.
QPService.exe 420  HP QuickPlay Resident Program CyberLink Corp.
MSASCui.exe 2204  Windows Defender User Interface Microsoft Corporation
QLBCTRL.exe 1412  Quick Launch Buttons  Hewlett-Packard Development Company, L.P.
jusched.exe 1800  Java(TM) Platform SE binary Sun Microsystems, Inc.
  jucheck.exe 4892  Java(TM) Update Checker Sun Microsystems, Inc.
hpwuSchd2.exe 596  hpwuSchd Application Hewlett-Packard
HPWAMain.exe 912  HP Wireless Assistant main program Hewlett-Packard
LightScribeControlPanel.exe 2396  Hewlett-Packard Company
wmpnscfg.exe 3952  Windows Media Player 网络共享服务配置应用程序 Microsoft Corporation
procexp.exe 156 5.80 Sysinternals Process Explorer Sysinternals
ApntEx.exe 12  Alps Pointing-device Driver for Windows NT/2000/XP/Vista Alps Electric Co., Ltd.
conime.exe 5116  Console IME Microsoft Corporation

用户系统信息:Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0; QQDownload 551; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.5.30729; .NET CLR 3.0.30618; MAXTHON 2.0)