The Foundation Summary is a collection of information that provides a convenient review of many key concepts in this chapter. If you are already comfortable with the topics in this chapter, this summary can help you recall a few details. If you just read this chapter, this review should help solidify some key facts. If you are doing your final preparation before the exam, this information is a convenient way to review the day before the exam.
Example address bits are shown. The XOR operation produces a 0 bit if the two input bits are the same (0,0 or 1,1) and a 1 bit if the two input bits are different (0,1 or 1,0).
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