Range of data types in c

Following table illustrate the range or maximum or minimum value of data types in
TURBO C++ and Borland c++ compilers.









Note: In the above table range of
float, double and long double has written only for positive numbers. But this
range is also true for negative numbers i.e. for range of float is -3.4*10^38
to -3.4*10^ (-38) and so on.



Interview
Question:
Why range of signed char