6606-- Discussion Sheet

# 6606-- Discussion Sheet - EXAMINATION DISCUSSION LESSON...

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EXAMINATION DISCUSSION LESSON 6606 (25 Questions) COMPUTER ARITHMETIC To assist you in your review of this lesson we have prepared this discussion sheet. We suggest that you read the discussion on questions you had right as well as on questions you missed. 1. (4) nibble … Appendix A, Introduction in textbook …data is stored and processed on computer systems in 8-bit groups called bytes . Each byte is made up of an upper and a lower nibble of four bits each. 2. (3) 16 … Appendix A, Section A.1, Subsection Decimal, Binary, and Hex. Base 16 called hexadecimal because it consists of 16 symbols. 3. (1) octal… Study Guide, first What Have You Learned? section, Question 1. 4. (3) 12 … Table A.4 on page 337 of the textbook. 5. (3) %1100 … Table A.4 on page 337 of the textbook. 6. (4) radix … Appendix A, Section A.1, Subsection Decimal, Binary, and Hex. The number of symbols in the system is called the base or radix of the system. 7. (3) 0.375 … The fraction can be evaluated by the weight-and-add method. Starting at the radix point and going to the right, (0 × 2 -1 ) + (1 × 2 -2 ) + (1 × 2 -3 ) = (0 × 0.5) + (1 × 0.25) + (1 × 0.125) = 0.375 8. (3) n-1 … Appendix A, Section A.1, equation A.1, page 338. Weight = Base (n-1) 9. (3) n-1 … Appendix A, Section A.1, Fig. A.1, page 336. The weights of the digit positions to the right of the radix point are n-1. 10.

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6606-- Discussion Sheet - EXAMINATION DISCUSSION LESSON...

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