Welcome to CSE 370 Introduction to Digital Design Jan 10, 2002.

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Presentation transcript:

Welcome to CSE 370 Introduction to Digital Design Jan 10, 2002

TA information –Tian Sang: Office hour –Monday 4:30-5:30 pm, Sieg 226a –Friday, 1:30-2:30 pm, Sieg 226b –Right after lectures

Conversions (Appendix A) Binary/octal/hexadecimal to decimal –Sum by position weight 12F 16 = 1* * F = = = = =

Conversions (Appendix A) Decimal to binary/octal/hexadecimal –Successive division for the integer part = = D1 16 = –Successive multiplication for the fraction part = = =

Conversions (Appendix A) Binary to octal and hexadecimal –Bit grouping = (11)(010)(001) 2 = = (1101)(0001) 2 = D1 16

Conversions (Appendix A) Octal and hexadecimal to binary –Expand each bit D1 16 = (11)(010)(001) 2 = = (010)(101) 2 =

Binary arithmetic operations Almost the same as those for decimal numbers. Just remember: a carry/borrow worth 2

Data representation (Chapter 5) Representation of 14: Representation of –14: –In signed-magnitude: –In signed-1’s complement: –In signed-2’s complement:

Overflow conditions Read page of the textbook for the solution for question 4 of assignment 1.

Reference More detailed information can be found in Chapter 3, Computer System Architecture 3 rd edition, M.Morris Mano, Prentice-Hall.