,       3GL   4GL   5GL   .

:
  1. BASIC
  2. ++
  3. PL/1
  4. Object PAL
  5. DBase
  6. Java

2 :

1) ;

2) .

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( 1950- ) , , . :

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. 70- . 1977 -77. , , -90 . IBM PC , Watfor, Lap-Fortran . . Fortran-77. 1990 MS-Fortran 5.0 Fortran-90. - , , . , , .

BASIC

(BASIC - Beginners All-Purpose Symbolic Instruction Code ). . 1963 ( , ). , , ; , , .

, , . , GWBASIC, Turbo-Basic Quick Basic.

Quick Basic . , , , , , , . , , Quick Basic . Quick Basic 4.5 PDS 7.1 Microsoft, 80- .

- , 1959, . , , . , , , , , - . . . . , , , .

, . . , - , - , , . , , , , ,

1968 , , PL/1, Algol, Fortran. 1973 , 1979 80. 80- MS-Pascal Turbo-Pascal . . , . . .

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Bell Labs 1972 , Unix, . . . -. .

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. Unix, , , , .

. , . , .. , (, , ), . , .

++

C++ 80- . , .

, C++ : , C++ - . , C++ . C++. , .

, , . . . , , .

++ , , , , . ++ , .

, , ++, , , .

1975 - 1980 , (. . , ). (, , , , . .). , . . 1978-1979 . , . , , , . , . . . .

PL/1

PL/1 1964-1965 IBM. PL/1 , . . : , , . . , , -60 ( ), ( ), PL/1 .

PL/1 , , , . , . , , . PL/1 .

, /1 , . . -, , , , , , . -, -.

, 1980 , , , , , . , , , , , , . , , -2. , , , , . Logitech, . 1988 Top Speed, -2 , . Top Speed : , , , . , .

. 1960 . LISP LISt Processing ( ) . . , , , , . . , , , .

, , , , . . : Common LISP, Mac LISP, Inter LISP, Standard LISP . . , . , . . . , . , . . , , , . , , .

. , . .

. , . , . , .

Object PAL

Object PAL . Object PAL -, , . Object PAL , , . Object PAL , Paradox . , , , . Object PAL Windows. Object PAL , , , . Object PAL , . , , , C++ .

Object PAL . Windows Paradox.

Object PAL , . , Object PAL . , .

dBase

dBase . . , . Windows . , , . dBase, . , , , Paradox.

Java

Java () . ++, , - . , - , , . Java Internet. , , Java, , C++. Java , , . Java C++.

Java:

- Java (applets) , , , , Web. Java , HTML.

- Java - , . .

- Java , , -. , .

  ,       3GL   4GL   5GL   .

, - , - . , , . , , - .




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