. - 3GL   - 4GL   5GL  

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

QBasic %, !, & #, , &, & &, :

( L l), , ( F f), ( ). ( ) ( ) :

$, :

$, $FOA5, $FF00140D.

(3.1415) (314.15925-02) , .

, , . , ) . , .

, 128 + 127. char, shortint.

. unsigned char, byte, [0, 255]. QBasic .

. 32 768 +32 767, 0 65 535.

QBasic , AS INTEGER DEFINT,. , %. QBasic , - . .

int unsigned int. integer word. , .

IBM PC . 2 147 483 648 +2 147 483 647, 0 4 294 967 295.

QBasic AS LONG DEFLNG. , &.

long ( long int) unsigned long. . longint.

, IBM PC , :

+5 0 0000101 0 000000000000101

-5 1 1111011 1 111111111111011

(4 ) (8 ) .

QBasic AS SINGLE ( DEFSNG) AS DOUBLE ( DEFDBL). float double, single double.

10-38 10+38 78 . 8- 10-308 10+308, 1516.

IBM PC , 8 10 . 263 263-1. ( ) 10-4932 10+4932, 1920 . (long double) (extended). , - .

-real, 6 . single, 1012. real IBM PC, , .

IBM PC - . , , , Intel. , , (0,5 < < m < i) (1 < m < 2) . . , .

      . - 3GL   - 4GL   5GL  

, --, Class-responsibility-collaboration - -- - - , :
- - - , ;
- - - , .




 10.11.2021 - 12:37: - Personalias -> WHO IS WHO - - _.
10.11.2021 - 12:36: - Conscience -> . ? - _.
10.11.2021 - 12:36: , , - Upbringing, Inlightening, Education -> ... - _.
10.11.2021 - 12:35: - Ecology -> - _.
10.11.2021 - 12:34: , - War, Politics and Science -> - _.
10.11.2021 - 12:34: , - War, Politics and Science -> . - _.
10.11.2021 - 12:34: , , - Upbringing, Inlightening, Education -> , - _.
10.11.2021 - 09:18: - New Technologies -> , 5G- - _.
10.11.2021 - 09:18: - Ecology -> - _.
10.11.2021 - 09:16: - Ecology -> - _.
10.11.2021 - 09:15: , , - Upbringing, Inlightening, Education -> - _.
10.11.2021 - 09:13: , , - Upbringing, Inlightening, Education -> - _.
Bourabai Research -  XXI Bourabai Research Institution