【文章內(nèi)容簡介】 ication sit uation 7418l iangci, nvestigation m ot or vehicle except ion business 30 car t im es, his pards business war ni g 244 ar ticle, vehicles and driving people sound video r egulat or y screenshot s 1852 Zhang, checks m ot or vehicle ar chives 716 pieces t imes, and m edium bus, and m edium above t ruck, and Of hazar dous chem icals, vehicles and school buses and ot her key vehicle inspection r ecor d of 420. ( C) based on t heir own, and strict adher ence t o def ense, m ore cheating, f alse f alse f ugit ive suspects, r obery suspect vehicles and t he I nter crackdown. DM V f ul play t o t he fir st line of Defense positon contr ol, investigating cheating, f ake identif ication and r obber y suspect vehicles t hr ough oper ational wor k, and car ef uly examine t he document s and legal pr oof, check t raffic violat ions, t r af fic accidents, t he f ugit ive suspect suspect ed vehicles and t hef t han t o wor k, f urt her t ight car, dr iving m anagem ent business f orm alit ies r eview procedures. . Tr uck dr iver inf orm ation managem ent plat f orm. Mot or vehicles and t raff ic police depar tments, St at e t r ansport aut hor it y t o f ur ther clarif y t he Division of labour , im plem ent ation r esponsibilt y, st rengt hen our colabor at ion and m anagem ent t ogether , r einf orcing t he m anagem ent of drivers on which str ongly synt hetic war fare and inf orm ation war fare. 3 st rictly im plem ent ed. Fr om M ay 1 up, a is im plement ed plex r oad and bad weather driving exam, cur rently DM V is ur ged cont ract or s par ty in t reasures dr iving school incr eased sim ulation Highway, and cont inuous r gent det our s, and snow days, and wet sliding r oad, and bur st situation disposal, subj ects I I f ield t o dr iving exam project , is expected 目 錄 實驗一 門電路邏輯功能與測試 ..................................................... 1 實驗二 組合邏輯電路（半加器、全加器） ..................................... 6 實驗三 組合邏輯電路設計與應用 .................................................. 9 實驗四 譯碼器和數(shù)據(jù)選擇器 ............................................................ 11 實驗五 MSI 組合器件的測試與應用 .............................................15 階段測試 1：學期中期知識點測試項目 ............................................18 實驗六 觸發(fā)器： ...........................................................................21 實驗七 時序電路的分析與設計 ......................................................25 實驗八 計數(shù)器 MSI 芯片的測試及應用 ........................................29 實驗九 計數(shù)器 ................................................................................31 實驗十 綜合實驗 .............................................................................34 實驗十一 拔河游戲機 —— 綜合性實驗 ...........................................35 實驗十二 交通燈 —— 綜合性實驗 .................................................39 實驗十三 數(shù)字秒表的設計 ..............................................................44 實驗十四 四路優(yōu)先判決電路 — 智力競賽搶答器設計 .....................47 附錄 常用 TTL 集成電路引出端功能圖 ..........................................50 1 實驗一 門電路邏輯功能與測試 一、實驗目的： 1．了解與熟悉基本門電路邏輯功能； 2．掌握門電路邏輯功能的測試方法，驗證與加深對門電路邏輯功能的認識； 3．熟悉門電 路的外形和管腳排列，以及其使用方法。 二、實驗儀器、設備、元器件： 1． 數(shù)字邏輯電路實驗儀 1 臺 2．四 2 輸入與門 74LS08 芯片 1 片 3．四 2 輸入或門 74LS32 芯片 1 片 4．六反向器 74LS04 芯片 1 片 5．四 2 輸入與非門 74LS00 芯片 1 片 6．四 2 輸入或非門 74LS02 芯片 1 片 7．四 2 輸入異或門 74LS86 芯片 1 片 8．示波器或萬用表 9．導線若干 三、預習要求： 1．了解數(shù)字電路實驗箱的結構和 使用方法； 2．復習門電路工作原理及相應邏輯表達式； 3．熟悉所用門電路的管腳排列幾相應管腳的功能； 4．熟悉示波器和數(shù)字萬用表的使用方法 四、實驗內(nèi)容和步驟： 實驗前按實驗儀使用說明檢查實驗儀是否正常。然后選擇實驗用的 IC，按設計的實驗接線圖接好線，特別注意 Vcc 及地線不能接錯。 線接好后仔細檢查無誤后方可通電實驗 。 實驗中需要改動接線時，必須先斷開電源，接好后再通電實驗。 與門、或門、非門的邏輯功能測試 ① 與門的 邏輯功能測試 74LS08 按圖 所示要求連接電路，輸入端接邏輯開關 A、 B，輸出端接 指示器。改變輸入狀態(tài)的高低電平，將 A、 B 輸入端依次接成 00， 01， 10， 11 狀態(tài)，進行電路仿真，觀察輸出端電平指示器的顯示狀態(tài)（亮為 “1” ，滅為 “0” ），并填寫實驗結果。實驗結果填入表 的邏輯真值表中，并寫出輸出端 Y 的邏輯表達式和電路的邏輯功能。 evaluation of scientif ic developm ent. Nature securit y t ypenature securit y is t o m aint enance people of healt h value f or t arget , t hrough str engthening securit y based m anagement , and r isk managem ent, and equipm ent m anagem ent and t echnology super vision, ensur e pr oduct ion i t he people, and r eal, and syst em, and syst em, elem ent s ecurit y r eliable, and harmony unif ied, f ul cont rol various against f actors, achieved t hought no slack, and m anagem ent no em pty docum ent , and equipment no hidden, and syst em no blocked, and unit zero non st oped. Qualit y and ef ficiency qualit y benef it is t o adher e t o t he enter prise sur vi al, profit and evelopm ent business t ruth, adher e t o t he all activit y is economic activit y, all costs can be contr oled, m oney should not be wast ed managem ent philosophy, m anagement analysis, t o im pr ove m anagement qualit y, im prove cost cont rol capacit y and m ar ket petit iveness. I nnovation of science and t echnol gy science and t echnol gy innovation is t o play t he r ole of science and t echnol gy as t he prim ary productive f or ce, active use of new t echnol gies, new m aterials, new pr ocesses, new equipment, incr ease invest ment in science and t echnol gy, st r engt hening scientif ic and t echnol gical t r aining, speeding up t ransf orm ing scient if ic and t echnol gical achievements, f orm ing a num ber of propriet ar y t echnol gy, enhancing core petit iveness. Resour cesavingt her esour ces saving ent er pr ise was t o r educe coal consum pt ion, wat er consumption, electr icit y at t he cor e, enhance t he oper ation of lean managem ent o r ealize low consum ption, high eff icency, r educe pr oduction cost s. Second is t o st rengt hen t he business, f inancial, material, inf or mation and t he opt imization of or ganization and managem ent, saving t he int er nal t r ansaction cost s. Harm onious developm ent of harm onious developm entis t o con