3.Arithmetic operations.pptx - 281R Introduction to Computer Architecture and Organization ARITHMETIC OPERATIONS Daniel E Lopez Barron Outline \u2022

# 3.Arithmetic operations.pptx - 281R Introduction to...

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281R . Introduction to Computer Architecture and Organization ARITHMETIC OPERATIONS Daniel E. Lopez Barron
Outline PREVIOUSLY IN 281R: Numbers systems and conventions Binary number and their advantages Why bother? Arithmetic operations Summary Doubts, questions and comments
PREVIOUSLY IN 281R: Numbers systems and conventions General form to represent a number Binary representation 1001011 2 to Decimal Decimal representation 143 10 using the general form 143 10 to Binary 143 10 to Octal 143 10 to Hexadecimal
Binary numbers and their advantages Do you remember: pow((double)4, (double)2) … => 16 What if we do a bit shift? Constrains? You can use a binary number as a list of features’ status absent k , present k-1 , present k-2 , … , present 0 Then we can apply binary operations to know if a feature is present or not (Binary algebra)
Why bother? CPU Clock signal, control, arithmetic, and memory units.

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