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Chapter 1 - PPT - Mano & Kime - 3rd Ed

Slide 1 Lecture 3 Binary Arithmetic

Lecture 3 Binary Arithmetic

Slide 2 Outline

Outline Single Bit Addition with Carry Multiple Bit Addition Single Bit Subtraction with Borrow Multiple Bit Subtraction Multiplication

Slide 3 Single Bit Binary Addition with Carry

Single Bit Binary Addition with Carry

Slide 4 Multiple Bit Binary Addition

Extending this to a multiple bit examples: Multiple Bit Binary Addition 0 0 0 0 0 1 1 0 0 0 0 1 0 1 1 1 Carries Augend Addend Sum 0 0 1 1

Slide notes

Carries 00000 01100 Augend 01100 10110 Addend +10001 +10111 Sum 11101 101101

Slide 5 Multiple Bit Binary Addition

Extending this to a multiple bit examples: Multiple Bit Binary Addition 0 1 1 0 1 1 0 1 1 1 0 1 0 1 1 0 Carries Augend Addend Sum 0 0 1 1 1

Slide notes

Carries 00000 01100 Augend 01100 10110 Addend +10001 +10111 Sum 11101 101101

Slide 6 Single Bit Binary Subtraction with Borrow

Given two binary digits (X,Y), a borrow in (Z) we get the following difference (S) and borrow (B): Borrow in (Z) of 0: Borrow in (Z) of 1: Single Bit Binary Subtraction with Borrow Z   1   1   1   1 X   0   0   1   1 - Y   -0   -1   -0   -1 BS   11   1 0   0 0   1 1 Z   0   0   0   0 X   0   0   1   1 - Y   -0   -1   -0   -1 BS   0 0   1 1   0 1   0 0

Slide 7 Multiple Bit Binary Subtraction

Extending this to a multiple bit example: Notes: The 0 is a Borrow-In to the least significant bit. If the Subtrahend > the Minuend, interchange and append a to the result. Multiple Bit Binary Subtraction 0 0 0 0 1 1 0 1 1 0 0 1 0 1 0 0 Borrows Minuend Subtrahend Difference 0 0 0 0

Slide notes

Borrows 00000 00110 Minuend 10110 10110 Subtrahend 10010 10011 Difference 00100 00011

Slide 8 Multiple Bit Binary Subtraction

Extending this to a multiple bit examples: Notes: The 0 is a Borrow-In to the least significant bit. If the Subtrahend > the Minuend, interchange and append a to the result. Multiple Bit Binary Subtraction 1 1 0 0 1 1 0 1 1 0 0 1 1 0 0 0 Borrows Minuend Subtrahend Difference 0 0 1 1

Slide notes

Borrows 00000 00110 Minuend 10110 10110 Subtrahend 10010 10011 Difference 00100 00011

Slide 9 Binary Multiplication

Binary Multiplication

Slide 10 Summary

Summary Single Bit Addition with Carry Multiple Bit Addition Single Bit Subtraction with Borrow Multiple Bit Subtraction Multiplication

End of slides

Table of Contents

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