1. How many bits is the data bus (blue line)? 2. How many wires is the purple line? 3. What is the purpose of the purple wires? 4. What is the purpose of the A10 and A9 wires? 5. Explain the truth table of the 2x4 Decoder 6. What is the meaning of a LOAD instruction? 7. When a LOAD instruction is getting executed, how many bytes are loaded to the CPU register? 8. Assuming LOAD Ox123 is being executed: 1. What is the value of the A8:A1 blue wire? 2. What is the value of the A10:A9 yellow wire? 3. Which chip is being selected? 9. Which chip is selected for the following LOAD instructions? 1. LOAD 0x00 2. LOAD OXFF 3. LOAD 0x100 4. LOAD 0x1FF 5. LOAD 0x200 6. LOAD 0x2FF 7. LOAD 0x300 8. LOAD 0x3FF 9. LOAD 0x400 10. LOAD 0x900 11. LOAD OXFFF 10. Why is A0 not used to address the RAM chips (Chip1-4)? 11. What should we do if we wish to disable the RAM chips from getting addressed in any range higher than Ox400? CPU 16-bit DATA bus ADDR BUS A8:A1 ADDR: A10: A9 8-bits Chip-1 byte 0-1 byte 1-2 512-byte memory device 510-511 Out-1 Out-2 2x4 decoder Out-3 Out-4 512 bytes Chip-2 byte 0-1 byte 1-2 512-byte memory device 510-511 Chip-3 byte 0-1 byte 1-2 512-byte memory device 510-511 Chip-4 byte 0-1 byte 1-2 512-byte memory device 510-511