计算机导论知识点总结

USBCachecpucpucpucpu1.cpu2.cpucpu3.cpucpu4.cpuI/05.cpu6.7.1.2.3.4.1.cpu2.3.4.5.1.2.3.1.(PC)(IR)(ID)(1)(2)(3)2.3.1.cpucpu2.cpucpu3.2cpucpu1946ENIAC4-1984ISO(OSI)(CASE)CAD1.2.3.BCD9494/x()x/8x/830(cpu)1.2.3.1.(ALU):2.3.4.ALU1.(PC),(IR)(ID)1232.3.12011.cpu//123/4//12TATMC2TMCTA3cpuC=(1/TMC)*WW/1/TMC/4(TTL)(MOS)(RAM)(ROM)RAM/RAMCacheROMROM41ROM2PROM3EPROM4EEPRIOM1.(SRAM)2.DRAM3.ROM-SIMMDIMMcpu1.2.123*3.21223cpucpu1=2=1KB1.2.3.24.1CD-ROM2CD-R3CD-RW4DVD-ROM1PC2FlashMemory3USBIEEE13941cpucpu21.2.3.4.5.1.3.2.112.3.75HZ4.12345DMA1I/Ocpucpu2cpuI/O3DMAcou41234cpu12312