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Consider a memory system with the following parameters: Tc=100 ns Cc=10-4$/bit Tm=1200 ns Cm=10-5$/bit a. What is the cost of 1 MB of main memory? b. What is the cost of 1 MB of main memory using cache memory technology? c. If the effective access time is ((K modulus 9)+1)*10% greater than the cache access time, what is the hit ratio H? K is the last digit of your student number? (1+1+3 points)