Which of the following are NOT steps that are part of performing a memory LOAD operation? Select all that apply. Send "read" signal to memory. Put address into MAR. Read data from MAR. Read address from MAR. Put address into MDR. Read data from MDR. Put data into MDR. Which of the following are specified by a processor's instruction set architecture? Select all that apply. Number of clock cycles per instruction Memory organization Instruction set Register set information Number of functional units (adders, etc.)