1. This short C program calls an I/O function, printf) #include int main() int a 10; printf ( "a is %d", a); 2. This is the matching assembly code. var 4 dword ptr-4 ; This is a symbol provided by IDA mov [rbp+var 4], 0Ah mov eax, [rbp var 4] mov edx, eax lea rx, Format call printf : Loads address of string "a is %d" 3. What is the name of the calling convention most likely used here? 4. What is the size of register rcx? 5. What is register rcx used for in this program? 6. Show the contents of memory after this program runs 7. Show the contents of the registers after this program runs