CTT003-Ch01-GioiThieuTongQuanVeLapTrinh

7/25/2019 CTT003-Ch01-GioiThieuTongQuanVeLapTrinh

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Nhpmnlptrnh

Trnhby: PhmMinh Tun; Email: [email protected]


2/31

KhinimvchngtrnhmytnhCcngnnglptrnh

CckhinimcbnvlptrnhCcvntmhiumrngkinthc

nghnghip

Thutngv bicthmtingAnh

11/10/2012 Khoa CNTT - H Khoa hc t nhin 2


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4/31

Khinim CPU camytnhcthitkcththc

hincccchngtrnhmmy(machine

code program) chiuhnh(HH) npvoRAM camytnh.Chngtrnhmmythngphitngthch

vitnghmycth, bao gmtphpccch

thcvitbngcclnhCPU cahmy,clutrnadidngmttptin mthcthi (executable program file) caHH cth.



5/31

Qui trnhthchin B1. Ngisdng(ngidngcuiend

user) ra lnhthchin(chy) chngtrnh.B2. HH nhnclnhsthchin:

Tmvnptptin mthcthi cachngtrnh(nmtrna) voRAM camytnh.

BmlnhcaCPU (CPU program counter) ctrnlnhutincachngtrnh(cngilngvchngtrnhprogram entry point)



6/31

Qui trnhthchin(tiptheo) B3. CPU thchintngchthmttrong RAM

cho nkhi gplnhktthc:Chplnhmmyhinhnhvothanh ghi lnh.Tngbmlnh(trnlnhktip). Thi hnhlnhmmy.

B4. Ktthcthchinchngtrnh, HH chnhnlnhmi.



7/31

cimMichthcachngtrnhlmtlnhm

my(mtdyccbyte chphhpviqui

ctplnhcamtloiCPU no)ccutrchatheo qui ccaHH.cchytrnmthCPU vHH cth.

Nidung rtkhhiuivingidngmytnh, chcCPU thchhpvihiurvthi hnhc.



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9/31

KhinimVicvitccchngtrnhmmyrtccv

kmhiuqungay civicclptrnh

vinchuynnghipvvygiiphpkhiulsdngccNNLT cpthpnhhpnghocccNNLT cpcao (sbn phnsau).

ChngtrnhvitbngNNLT cgilchngtrnhngun(source code program)hay mngun(source code).



10/31

Chngtrnhnguncdchsangchngtrnhmmybngccchngtrnhdch:Trnhhpdch(assembler) dchcc

chngtrnhhpng.Trnhthngdch(interpreter) vtrnhbindch

(compiler) dchccchngtrnhcpcao.



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12/31

Ngnnglptrnh(programminglanguage) lngnngclptrnhvinsdngvitchngtrnhchomytnh.

Khi mtchngtrnhcvitbngmtNNLT nothccchth, culnhtrong

chngtrnhphituntheo ccqui tc,cclutdo NNLT qui nh.



13/31

cimLNNLT phthucvotnghmycth,

vvykhngctnhtngthch.Dvit, c, sahnchngtrnhmmy.uimltndngvkhai thcctnh

nngcamihmycth, nhvychng

trnhcthchynhanh hn.



14/31

cimcxutkhcphccchnchca

NNLT cpthp.Ddngvddintccc tng

trutng.Ctnhtngthchcao (khi thay idng

mytnhthchcnsachngtrnhrtthocthmchkhngcnsamvnmbochyng).



15/31

NNLT cpthpHpng(assembly language)

NNLT cpcao C/C++

COBOL

FORTRAN

Java, C#

PHP, Ruby, Perl

Ada, BASIC, Visual Basic (VB), Lisp, Pascal,



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17/31

Mtchngtrnh(program) lmtdyccchth(instruction) iukhinshotngcamytnhnhmgiiquyt

mtcngvicno.Ngivitchngtrnh(cngillp

trnhvinhay thochngvinprogrammer) lnhngngitolpranhngchngtrnhmytnh.



18/31

Hai chngtrnhnginsau chin ramtdngchcnidung lHelloeverybody! bngNNLT Java vC.


ChngtrnhJava ChngtrnhC

1234

5678

// Hello.javaimportjava.util.*;publicclassHello {

publicstaticvoidmain(String argv[])

{System.out.print(Hello everybody!);

}}

/* Hello.c */#include

voidmain(void)

{pritnf(Hello everybody!);

}


19/31

iviccNNLT cpcao truynthng(trcthhcaJava vC#), qutrnhvit, dchvchychngtrnhgmcc

cngonnhsau: B1. Sonchngtrnhngunvlulna. B2. Dchchngtrnhngunnhtrnhbindch.

B3. Niktcctptin mtrung gian tora B2. B4. Chychngtrnhngnngmytora B3.



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Hnchcaccchngtrnhcpcaotruynthngltrnhbindchcachngphtsinh trctipmthcthi phthuc

vommytnhcamthmytnhvhiuhnhcthnnkhngthmangisdng cchiuhnhkhc.



22/31

NNLT hininhJava hay C# trnhbindchkhngdchtrctipmngunthnhmthcthi mcthitkcth

dchthnhmthcthi trutng(abstract executable code) clpmyvhiuhnh.



23/31

Do mytnhthtkhngthhiucmtrutngnnnhngchngtrnhdngmthcthi trutngchchyckhi

csnmyohtrcho victhi hnhloimthcthi .ChngtrnhngunJava (tptin *.java)

cdchthnhmthcthi khngphthuc

mytnh(tptin *.class) cthchyctrnbtkmytnhnocitmyoJava (Java Virtual MachineJVM)



24/31

Trong ccnmgny, ccngdngchytrnweb phttrinrtmnh.Chytrninternet thngqua mttrnhduyt

web.

cvitbngccngnngnhPHP, JSP,Java Script, VB Script ctnhtngthch

cao, hotngtrnbtkmytnhnocinternet



25/31

Tonbqui trnhbindchcthcmtcchddngvthuntinnhvocngcgilmitrngphttrinphnmm(Integrated Development EnvironmentIDE)Sonthochngtrnh.Qunlhthngtptin mngun.

Qunlhthngccphinbncamngun.Kimtra licphp, bindch, linktchngtrnh.Chytngdnglnh(debug) tmli.



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MtsIDE thngdng: Eclipse: htrnhiungnng. C++ Visual Studio: ngnngC++. C# Visual Studio: ngnngC#.Visual Caf: ngnngJava. J Builder: ngnngJava.



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abstract executable code: mtrutng assembler: trnhhpdch assembly language: hpng compiler: trnhbindch data type: kiudliu debug: chychngtrnhtheo tngdnglnhtmli executable program file: mttptin mthcthi end user(s): ngisdng, ngidngcui IDE: vitttcaIntegrated Development Environment,mitrngpht

trinchngtrnhtchhp instruction: chth interpreter: trnhthngdch link: niktccmtrung gian linker(hay link program): chngtrnhlinktmtrung gian



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machine code program: chngtrnhmmy object code: mitng, mtloimtrung gian chaphilmmy

thts program entry point: ngvochngtrnh program: chngtrnh programmer: ngivitchngtrnh, lptrnhvin, tc:thochngvin programming language: ngnnglptrnh low-level programming language: ngnnglptrnhcpthp high-level programming language: ngnnglptrnhcpcao programming: lptrnh source code program: chngtrnhngun source code: mngun syntax error: licphp text editor: trnhsonthovnbn(cthdngsonmngun)



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Thinking in C, Bruce Eckel, E-book, 2006.

Theory and Problems of Fundamentals ofComputing with C++, John R.Hubbard,

Schaums Outlines Series, McGraw-Hill, 1998.



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CTT003-Ch01-GioiThieuTongQuanVeLapTrinh

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