Can you label the parts for number 3 Calculate the Average memory access time for the following memory hierarchy. Where AMAT= Hit Time + Miss Rate * Miss PenaltyAMAT = hit time0 + miss rate0* (hit time1 + miss rate1* (hit time2 + miss rate2 * misspenalty2))Level O is on-chip cache. The on-chip cache hit rate is 90%, hit time is 5 ns.Level 1 is off-chip cache. The off-chip cache hit rate is 96%, hit time is 10 ns.Level 2 is main memory. The main memory hit rate is 99.8%, hit time is 60 ns.Level 3 is disk (miss penalty2 is disk access time given the disk is the highest tier, which islengthy). Memory miss penalty or Disk access time is 10 micro sec = 10,000 ns.Please note memory miss penalty is the same as the disk hit time, or disk access time, giventhe disk is the lowest tier of the memory hierarchy.a. What is the AMAT when the main memory is the last tier of your memory hierarchy? (On-chip cache -> off-chip cache -> main memory)b. What is the AMAT when the disk is the last tier of your memory hierarchy? (On-chip cache -> off-chip cache -> main memory -> disk)

Memory hierarchy is a structure that organizes different levels of memory with varying speeds and capacities to optimize the trade-off between access time, cost, and storage capacity. It typically consists of on-chip cache, off-chip cache, main memory, and secondary storage (disk).Given:Level 0 (On-chip cache): Hit rate = 90%, Hit time = 5 nsLevel 1 (Off-chip cache): Hit rate = 96%, Hit time = 10 nsLevel 2 (Main memory): Hit rate = 99.8%, Hit time = 60 nsLevel 3 (Disk): Miss penalty (Disk access time) = 10,000 nsGetting all this in formula AMAT = Hit time0 + Miss rate0 × (Hit time1 + Miss rate1 × Hit time2 + Miss rate2 × Miss penalty2)) AMAT=5ns+(1−0.9) × (10ns+(1−0.96)×(60ns+(1− 0.998)×10,000ns)) AMAT=5ns+0.1×(10ns+0.04×(60ns+0.002×10,000ns))AMAT=5ns+0.1×(10ns+ 0.04×(60ns+20ns))AMAT=5ns+0.1×(10ns+3.2ns)AMAT=5ns+0.1×13.2nsAMAT=5ns+1.32nsAMAT=6.32nsThe AMAT gives a thorough proportion of the general productivity of the memory order in dealing with both reserve hits and misses.A lower AMAT demonstrates a more productive memory framework, limiting the time it takes to get to information.In the two situations, whether primary memory or plate is the last level, the AMAT continues as before, recommending that the effect on normal access time is predictable.AMAT is a key measurement in assessing the effectiveness of a memory pecking order. It is the weighted normal of the entrance times for each level in the pecking orderThe Average Memory Access Time (AMAT) is6.32ns for the two situations, whether fundamental memory or circle is the last level of the memory progressive system. This estimation assists in grasping the general proficiency of the memory framework regarding access with timing.Understanding and computing the AMAT is pivotal for planning and streamlining memory orders, guaranteeing that the framework accomplishes a harmony between speed, cost, and limit. It permits planners to arrive at educated conclusions about the design regarding different memory levels in light of the particular necessities of the figuring framework. In the introduced situations, the AMAT stays consistent, featuring the cautious equilibrium accomplished in the plan of the memory pecking order.