Unique Configurations of BeigeBox Computer Systems | CFA® Level 1 Exam Prep

Unique Configurations of BeigeBox Computer Systems

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Question

BeigeBox, a computer manufacturer, can construct computer systems with any one of 4 processors, 2 memory configurations, 3 hard drives, 2 monitors, 2 keyboards, and 2 CD drives. How many unique configurations of computer systems can BeigeBox construct?

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A

The multiplication rule of counting states that the number of combinations available when there are n_1 options in one aspect, n_2 in another, and so on, up to n_k, is n_1

* n_2 * ... * n_k. In this case, the number of combinations is 4*2*3*2*2*2 = 192.

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