1. (2 pts) How many addresses can be accessed by the 32-bit Intel CPU? 2. (2 pt) Express the following 32 bit hex number in Little Endian format: 0x3F8C91 3. (4 pts) How many 4K pages of physical memory are required for the following malloc statement: a. (2) char *ptr x(char *) malloc (4194304); b. (2) Show the math for your answer to "a." in hexadecimal. I.e. express 4194304 in hex and the 4K page size in hex, and calculate. 4. (2 pts) Suppose I have a 16-bit address bus and for each memory location, there are 32 bits (not 8 like normal, but 32 bits for each memory address),how many total bytes of memory can I access