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1、Solution*forChapter1Exercise*SolutionsforChapter1Exercises1.15,CPU1.21,abstraction1.33,bit1.48,computerfamily1.519,memory1.610,datapath1.79,control1.811,desktop(personalcomputer)1.915,embeddedsystem1.1022,server1.1118,LAN1.1227,WAN1.1323,supercomputer1.1414,DRAM1.1513,defect1.16
2、6,chip1.1724,transistor1.1812,DVD1.1928,yield1.202,assembler1.2120,operatingsystem1.227,compiler1.2325,VLSI1.2416,instruction1.254,cache•1.2617,instructionsetarchitectureSolutionsforChapter1Exercises1.2721,semiconductor1.2826,wafer1.29i1.30b1.31e1.32i1.33h1.34d1.35f1.36b1.37c1.3
3、8f1.39d1.40a1.41c1.42i1.43e1.44g1.45a1.46Magneticdisk:Timefor1/2revolution=1/2revx1/7200minutes/revX60seconds/minutes34.17msTimefor1/2revolution=1/2revx1/10,000minutes/revX60seconds/minutes=3msBytesoncentercircle=1.35MB/secondsX1/1600minutes/revx60seconds/minutes=50.6KBBytesonou
4、tsidecircle=1.35MB/secondsX1/570minutes/revX60seconds/minutes=142.1KB1.48Totalrequestsbandwidth=30requests/secX512Kbit/request=15,360Kbit/sec<100Mbit/sec.Therefore,a100MbitEthernetlinkwillbesufficient.Solution*forChapterXExarclsm1.49Possiblesolutions:Ethernet,IEEE802.3,twistedpa
5、ircable,10/100MbitWirelessEthernet,IEEE802.1lb,nomedium,11MbitDialup,phonelines,56KbpsADSL,phonelines,1.5MbpsCablemodem,cable,2Mbps1.50a.Propagationdelay=missecTransmissiontime=LIRsecEnd-to-enddelay=m/s+L/Rb.End-to-enddelay=mls+LJR+tc.End-to-enddelay=mis+2I/R+f/21.51Costperdie=C
6、ostperwafer/(DiesperwaferxYield)=6000/(1500x50%)=8Costperchip=(Costperdie+Cost_packaging+Cost_testing)/Testyield=(8+10)/90%=20Price=Costperchipx(1+40%)-28Ifweneedtosellnchips,then500,000+20«=28»,n=62,500.1.52CISCtime=Px8r=8PrnsRISCtime=2Px2T=4PTnsRISCtime=CISCtime/2,sotheRISCarc
7、hitecturehasbetterperformance.1.53UsingaHub:Bandwidththattheotherfourcomputersconsume=2Mbpsx4=8MbpsBandwidthleftforyou=10-8=2MbpsTimeneeded=(10MBx8bits/byte)/2Mbps=40secondsUsingaSwitch:Bandwidththattheotherfourcomputersconsume=2Mbpsx4=8MbpsBandwidthleftforyou=10Mbps.Thecommunic
8、ationbetweentheothercomputerswillnotdisturbyou!
