Related to computers, what is 'Wetware'?
Human brain
'Wetware' refers to the human brain or the biological elements of computing, distinguishing it from hardware and software. It is a term used to describe the human factors involved in the system.
A computer has a memory hierarchy consisting of two-level cache (L1 and L2) and a main memory. If the processor needs to access data from memory, it first looks into L1 cache. If the data is not found in L1 cache, it goes to L2 cache. If it fails to get the data from L2 cache, it goes to main memory, where the data is definitely available. Hit rates and access times of various memory units are shown in the figure. The average memory access time in nanoseconds (ns) is ________. (rounded off to two decimal places)

| List I | List II |
| A. Address Space | I. Associative Mapping |
| B. Memory Space | II. Logical address |
| C. Cache Memory | III. physical address |
| D. Segmented Program | IV. Virtual address |
____ number of lines are required to select __________ memory locations.