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QUESTION 11 1 points Save Answer Which of the following is not a type of primary storage? O A random access memory OB. registers C. cache OD.read-only memory O E. optical QUESTION 12 1 points Save Answer Computer code is generally efficient, well designed, and contains very few errors. O True O False QUESTION 13 1 points Save Answer Over the past twenty years, hardware costs have, while software costs have O A. increased, increased O B. decreased, decreased O C. decreased, increased O D. increased, decreased O E. increased, remained level