Programmers want memory to be and as memory speed often shapes performance, capacity limits the size of problems that can be solved, and the c ost of memory today is often the majority of computer cost. give the programmer the illusion that main mem ory is nearly as fast as the top of the hierarchy and nearly as big and cheap as the bottom of the hierarchy. Convert the following 8-bit two's-complement numbers from hexadecimal to decimal: 0xEF= Fill in the blanks to return the largest positive number a 32-bit two's-complement number can represent. unsigned int max_twos0 0 r eturn ((1