南師大中英班數字電路期末試卷(英文無答案)

---------------------------------------------Points--------------------------------------------------------------------------------Points-----------------------------------：名姓：號學：級班：業(yè)專

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南京師大學2008-2009學年第2期電與動工學院中英專業(yè)2007年《子術（Electronics)》課程期終試AName：Class：StudentIDScore：1234567891.Choosethecorrectanswer:（20points(1)Aquantityhavingdiscrete(離散的)(a)adigitalanbinary(d)aquantity(2)The11011101todecimal(a)221(c)441(d)(3)followingisinvalid（無效）BCD(a)(b)0101(d)(4)SimplifyABCusingDeMorgan's(a)ABC(c)(A)AB(5)Thisistimingdiagramfora________(b)1/8

(6)TheinputsaA=B=1andC=0.Theoutputsin(a)Sum=1,C=1(b)Sum=1,0outSum=0,1(d)Sum=0,0out(7)Theabinarynumberaformat(a)encoder(c)(d)register(8)Acounter（12進制計數器）(a)12flip-flops4flip-flopsclocking(9)Aup/downinthebinaryofThenextinDOWNmode(a)(b)1000(d)Whatisresolution分辨率）,inpercent,ofaDAC(a)0.392%1%Points

2.Simplifythefollowingexpressionsasmuchaspossible.（10）)F=ABC+ABC+ABC+ABC+ABC

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3.Designthelogicthemotorasimpleremotecontrolcar.TherearetwobuttonsonremoteIfneitherbuttonthestops.Ifbuttonispressed,theforward.Ifbuttonispressed,thecarmovesbackwards.Ifbothare順時針旋轉).two（）theandeachtwoinputsAhighonFmakesforward.Ahighonmakesthecargo（）(1)Makeatruthdesign.Top

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4.F(X,Y,

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5.JKflip-flopisnegativeedgetriggered.AssumingtheofAisgiveexpressions、K、、respectively，andtheA（）

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6.thecircuitthestatediagramandtheof(10&

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7.Design74163IC,willShow1-7inLEDpoints)EP

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8.Createastable多諧蕩器)55520kHz.IftheexternalCistheistheofthe（points）84736

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9.Thepindiagramof74LS00givenConstructPointsthecircuitfunctionAB+singleIC.74138

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