Problem 5 (20 pts.) Suppose a system has a byte-addressable memory size of 4GB. How many bits are required for each address? 1. A) 16 B) 24 C) 32 D) 48 2. Suppose that a system uses 32-bit memory words and its memory is built from 16 IM x 8 RAM chips. How many address bits are required to uniquely identify each memory word? A) 16 B) 22 C) 24 D) 32 3. Suppose that a system uses 32-bit memory words and its memory is built from 16 1M x 16 RAM chips. How large, in words, is the memory on this system? A) 8M B) 16M C) 32M D) 64M 4. The is a group of bits that tells the computer to perform a specific operation. A) program counter B) opcode C) register D) microoperation 5. Which MARIE instruction is being carried out by the RTN that follows? i. ii. iii. MAR._X MBR M?MAR? AC?MBR B) Store X C) Add X D) Load X E) Jump X