Can you do part a to d detailed, please , explain every step

6. [24 marks] For the following declarations, determine the hexadecimal value stored in memory and the on-screen decimal equivalent, i.e. the value displayed with printf ("8. ", varfable). Binary-hexadecimal-decimal conversions may be done by calculator, but other steps such as 2's complement must be shown. a) signed char a =-31; b) unsigned int b=2022; c) unsigned char c=187; d) signed int d=1000000; e) signed int e =187; f) signed char f=187; g) unsigned int g=1000 000; h) unsigned char h=1299