Question 12 (3 points) Most of the ALU instructions can be categorized into: Register-register ii) Memory-memory True False Question 13 (3 points) Which of the following is not a valid design principle for modern computers All Instructions Are Directly Executed by Hardware Instructions Should Be Easy to Decode Only Loads Should Reference Memory Maximize the Rate at Which Instructions Are Issued Question 14 (3 points) As we move down the 5 level memory hierarchy, the cost of the memory per GB increases True False