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1. 


-   -  .               .

     ,          ,      .

    :

1)     ; -         ;

2)          . -           ;     , , , .

-          ,  ;    : , , , GPSS.

-             ,      .

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2)         ,       .        .

 -  ,      .

        :          ,      .         , .. - .      .      . ,               .

    -,        .




2.    


     -  .       -     .

       :

1)- ,             :

)  (Fortran) ( Formulae Translation   ).         .        ;

)  (Basic),     Beginner's All-purpose Symbolic Instruction Code (BASIC)       ,   1964.     ;

)  (),   1970- .          UNIX.  1980-        ++,          - ;

)  (Pascal)        . .     19681971. . .       ,            ; 2) -        ,         :

)  (Lisp  List Information Symbol Processing)   1962. . .         .     ,     ..;

)  (Prolog  Programming in Logic)        ;

3)- ,      .           ,           .      :

)Visual Basic (Basic);

)Delphi (Pascal);

)Visual Fortran (Fortran);

)++ ();

)Prolog++ (Prolog).




3. Visual Basic


 Visual Basic    ().    Visual Basic     ,      .  ,   ,     255 .    ,     ,    .       .

     ,      . BASE    ,   base.  Base, Base 1  Base I   . Visual Basic        .

              .              .

       ; , Print    .         , : Printlt. Visual Basic     ,         ,       ENTER.

                 ,    (, Printlt,   Printit).        .      (, PrintIt),     ,            .

Visual Basic    14   .      .    ,        . String

    ,   .      . ,         $   , : AStringVariable$.         .        ,        ,  Windows   ,   .

         .  ,       Text1,     ContentOfText1S = Text1.Text           .




4. 


Integer

         ,      32768  +32767.        .       %.

Long Integer

       QuickBASIC.        2 147 483 648  +2 147 483 647.   &.         ,       386DX  486DX         Long Integer  Integer.

Single Precision

      !.        ,     .      12345678.97,   8.97  .    ,  , 12345670.01.     38 .         .  ,    ,    .

Double Precision

          16     300 4 .   #.     ,      .     Double Precision    . Currency

      GW-BASIC  QuickBASIC.    ,             .      4      14   .      .      @.     ,    ,    ,        ,        .

Date

               1  100    31  9999 .       #, : Millenium = #January 1, 2000#.

     Visual Basic ,    00:00.




5.,     


Byte

    Visual Basic        0  255.                  Visual Basic.          .

Boolean

       : True  False.          .

Variant

     Visual Basic 5   2.0.   variant     .  Visual Basic     ,   variant.

    ,   variant      (,   , ). Visual Basic     , ..     .         ,      variant.      ,     .

 variant     ,        ,    .      ,           .   variant        .

      BASIC,   Visual Basic    ,     (),  %  !.           (duplicate difmition),    .

    Visual Basic        variant.      ,     .       .         ().      .       ,     (,  ).        .   ,          .

          .  ,   Visual Basic     Swap,   QuickBASIC.     .




  .


   .

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      Visa, MasterCard, Maestro,    ,   ,     ,  PayPal, WebMoney, ., QIWI ,       .


