How do you have to set up the control signals to transfer a numeric value from the main memory to the Accumulator register on the Brainless Microprocessor? (You can say 0/1/X in each row) How can you extend the ALU/Accumulator/Buffer circuit from a word size of 4 bit to 8 bit? Large ROMs or RAMs are organized in a matrix with row and column addresses. How would you have to modify the RAM cell to allow a Row/Column addressing mode