One of the major functional characteristics in computer memory is latency. For the latency it is true

a$)$ it is related to the number of information units $($bits$)$ that can be stored

b$)$ it affects the memory speed

c$)$ it is related to the number of bus bits that connect the memory to the CPU

d$)$ it helps to distinguish between static and dynamic memory

e$)$ it is not related to the intermediate stage between the CPU and the main memorv known as cache memory