Consider the following access pattern: A, B, C, A. Assume that A, B, and C are memory addresses each of which are in a different block of memory. Further, assume A, B and Care generated in a uniformly random way (each block is equally likely) and that a "true" LRU replacement algorithm is used. To receive credit you must briefly show your work. What is the probability that the second instance of "A" will be a hit if:

i. The cache has 2 lines and is fully-associative (1)
ii. The cache has 4 lines and is fully-associative [1].
iii. The cache has 2 lines and is direct-mapped [2].
iv. The cache has 4 lines and is direct-mapped [2]
V. The cache has 4 lines and is two-way set associative? [3]

Consider the following code snippet: #ifndef cashregister_h#define cashregister_hconst double max_balance = 6000000.0; class cashregister{public: cashregister(); cashregister(double new_balance); void set_balance(double new_balance); double get_balance() const; private: double balance[12]; }; double get_monthly_balance(cashregister bk, int month); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_balance should be removed since header files should not contain constants.c)the definition of cashregister should be removed since header files should not contain class definitions.d)the body of the get_monthly_balance function should be added to the header file.

Research data that is presented using descriptive language is said to be

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