The four-byte sequence 0xc7 0xab 0xdc 0x6b stored in consecutive memory cells in a little-endian architecture represents (decimal) when interpreted as a 32-bit signed integer.

The type of program is the hierarchical grid

Ibelieve it would be c

First he should verify if he knows the prep person or people to make it is safe, because people can track your information about who and where you are. good luck.

Metaprogramming  is a programming technique in which computer programs have the ability to treat programs as their data. it means that a program can be designed to read, generate, analyse or transform other programs, and even modify itself while running. ps: you don't have any options there.