计算机应用基础各章重点知识点

1.1946ENIAC2.3.CADCAMCAICAT4.HODBASCII8GB2312-80165.CPU12CPUROMRAMCacheBKBMBGB1=81KB=1024B1MB=1024KB1GB=1024MB(210=1024)12346.7.8.1239.1/23Ctrl+Alt+Del1.2.3.12LANMANWAN4.5.1969ARPANET6.7.128.9.OSI10.InternetInternet1TCP/IP/[e-mail]2./WindowsXP3.123Alt+F4456Alt+Tab4.1235.Ctrl+CCtrl+VCtrl+XCtrl+ACtrl+ZCtrl+YCtrl+OCtrl+NCtrl+PCtrl+SCtrl+Ctrl+6..2557.8.9.ShiftCtrl10.1+Shift+2+Ctrl+3Del11.PrintScreenPrintScreen+Alt12.13.14.Windows.EXE.BMP15.Windows/Word2003Word20031.Word1.DOCWordWord2.123.WordWeb4.Ctrl+Space5.Ctrl+Shift6./7.1Delete2BackSpace38.123Ctrl+A9.1234510.1211.12.13.14.15.16.17.18.Word2003[]\[19.20.21.22.121-4141,41Excel20031.ExcelBook1.XLSExcel2.Excel3.Excel1Excel2Excel2553sheet1,sheet2,sheet34256ABC5655361,2,3655366H6A114.123--//Ctrl+4Ctrl+Shift+5.6.127.()8.chart9.:1===40%+40%+20%F3F3=C3*40%+D3*40%+E3*20%F3F5+-*/&==10.1=SUM2=AVERAGE3=COUNT4=INT5=MAX()(6)=MINA2A10B5K5A1H6A2A10B5K5A1H611.121212./13.PowerPoint20031.PowerPoint1.PPTPowerPoint2.PowerPoint3.12344.PowerPoint12334PowerPointShift5.Ctrl+M6.7.1238.9.123F510.12Esc