中职计算机专业英语教学设计Lesson 10 Generations of Programming .pdfVIP

Lesson10GenerationsofProgrammingLanguage

一、教学目标

1.了解计算机编程语言的演变的相关知识

2.熟记单词

3.阅读课外文章

二、课时分配

本项目共2个任务，安排3课时。

三、教学重点

计算机已成为人们生活和工作中不可或缺的一部分。本项目主要介绍电脑编

程语言的演变的相关信息。熟记相关重点单词，与英语语法。

四、教学难点

1.熟悉单词中文意思。

2.拓展课外阅读

3.熟悉相关语法。

五、教学内容

Theprogramminglanguagehasevolvedthroughfivegenerations.They

aremachinelanguages,assemblylanguages,procedurallanguages,problem

orientedlanguages,andnaturallanguages.Theycanalsobedividedinto

twogroups:lowlevellanguagesandhighlevellanguages.

Thefirstgenerationofprogramminglanguagesismachinelanguages

whicharewritteninbinarycodes.Acommoninstructionforacomputer

maybewrittenlike10011100010000111000.Thisstringofnumbersis

meaninglessforhumanbeingswhilecomputerscanrecognizethesecodes

toconducttasksgivenbyhumanbeings.

Thesecondgenerationissymbolizedbyassemblylanguageswhichwere

developedintheearly1950s.Theywerecreatedtoeasetheburdenof

programmers.Assemblylanguagescanreplacethelongbinarynumbersby

lessnumbersofletterssuchasADD.Theycansavebothtimeandenergy

forprogrammers.Bothmachinelanguagesandassemblylanguagesarelow

levellanguages.

HerewecometothehighlevellanguagesincludingBASIC,Ada,C/C++,

FORTRAN,PascalandJava.Theselanguagesaremoreunderstandablefor

humanbeingsthanmachinelanguagesandassemblylanguages.Theyarethe

thirdgenerationofprogramminglanguages—procedurallanguages.However,

thiskindofhighlevellanguagehastobetranslatedintothelowlevel

language—machinelanguageoracomputercannotunderstandit.

Thefourthgenerationisproblemorientedlanguages.Wecangeta

generalideaaboutwhataproblemorientedlanguageisfromitsliteral

meaning.Itisa