kindly show the steps(or the explanation of the answers).

4. What are the two possible options to handle multiple interrupts? 5. How many bits will be in 3.9 TB (Terabytes) data? 6. Processor has access to four level of memory. Level 1 has an access time of 0.005us; Level 2 has an access time of 0.03us Level 3 has an access time of 0.09us; Level 4 has an access time of 0.2us; Calculate the average access time, If 62% of the memory accesses are found in the level 1, 9% by the Level 2, 1290 by the Level 3. 7. Which Intel processor was the first member of the IA-32 family