can u elaborate range of data type in more systematic manner because in video it is like mixing up the things?
can u also explain what happens it we exceed the range of following data type
Regarding the range of data type
Sure!
| Type | Typical Bit Width | Typical Range |
|---|---|---|
| char | 1byte | -127 to 127 or 0 to 255 |
| unsigned char | 1byte | 0 to 255 |
| signed char | 1byte | -127 to 127 |
| int | 4bytes | -2147483648 to 2147483647 |
| unsigned int | 4bytes | 0 to 4294967295 |
| signed int | 4bytes | -2147483648 to 2147483647 |
| short int | 2bytes | -32768 to 32767 |
| unsigned short int | 2bytes | 0 to 65,535 |
| signed short int | 2bytes | -32768 to 32767 |
| long int | 8bytes | -2,147,483,648 to 2,147,483,647 |
| signed long int | 8bytes | same as long int |
| unsigned long int | 8bytes | 0 to 4,294,967,295 |
| long long int | 8bytes | -(2^63) to (2^63)-1 |
| unsigned long long int | 8bytes | 0 to 18,446,744,073,709,551,615 |
when we exceed the range wrap around occurs! which means we again start from lowest value offered by that type. This is also termed as overflow
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