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$, :

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. 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 , :

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

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      . - 3GL   - 4GL   5GL  

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