How can I access all bytes of RAM and ROM of my computer?

Question

I tried pointers and reference(&) but when I try to get the info(I am only reading from memory) computer \"beeps\" and program terminates. NO problem when assigning a pointe

Answer 1

You can not do this, because you have not privilege to do, when you run your code, it creates a process to run your program, and each process can only access to its address space, access to others process address space make a trap to os, and your kernel suspends works and checks your stack and your process, then it find that you did an unprivileged task, and then it kills your process