Unit 4 Section A Five Famous Symbols of American Culture 西北师范大学外国语学院 郭亚文.
教师:郭小林 2014年9月8日星期一
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Transcript of 教师:郭小林 2014年9月8日星期一
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2
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2.1
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1+2=320302050ABLE-HDLVHDL
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Leibniz.George Boole1938Shannon1952VeitchKarnaugh
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2.1.1
F(x)=2x+1, - x+,xF(x)01ABC
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1 =
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1(Logic Multiplication) A=1, B=1 AB=1A=0, B=0 AB=0A=1, B=0 AB=0A=0, B=1 AB=0
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2(Logic Addition) ,A=1, B=0 A+B=1A=0, B=1 A+B=1A=1, B=1 A+B=1A=0, B=0 A+B=0
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3Inversion
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2 .
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3. (1) AAFF=B+DA+C A = F + C F =( B+D)+ C (B+D)
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(2) AA++1001A
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(3) AA ++ 1001A AA
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2.1.2 1 :F1=A+B, F2=A+B F1=F2
A BF1=A+BF2=A+B0 00 11 01 101110111
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2.1.3 1838
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1
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2 6(1) nSPSum of Product
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SP2n(N=3) :.
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(2) 1 n2n2n,001, 1
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3ABC2442
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4ABCD446
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2n10110200101
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4
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2001010000410010015101
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301,
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4()4x45
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1
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310 1),
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32),3),
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(4)1)10)248
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2) 3)+F
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1)F2)1,919AA ;3)4,646CC ;
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(4)2,626BB ;
(5)
21
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123
CDAB0001111000130145111213101110
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2.2
1840AT&T1906
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2.2.1 PN
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PNPNPNPN
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J. Kilby195926420196418
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2.2.2
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1
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2
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3
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2.2.3
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Intel CPU
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:RAMROM
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1 1 n2n2n
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2
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(3) A BSC
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2 CP
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1R-SQn+1=Sd+RdQn
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2D Qn+1=D
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3J-KCPCP=1Q JK00,Q 01,Q0 10,Q1 11,Q
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4"0""0",
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R-S
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(5) J-K
QAQBQCC
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3 (1) (Read Only MemoryROM)44
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ROMROM(PROM)ROM(U-EPROM)ROM(EEPROM)U-EPROM2010~20
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2(Random Access MemoryRAM)
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CROM
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4 /AD/DA
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AD7892ANALOG DEVICE12ADCAD78922-31 A/D+2.5V12ADCDSP
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01, 0101
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[1] ..1990.10[2] ..1996.1 [3] .TTL. 1975.1[4] .1989.1975.1
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[5] .http://www.fosu.edu.cn/fas/link/ku.htm[6] . .http://ddcai.cug.edu.cn/datalogic/index.htm[7] . http://211.69.207.71/