Chapter 2 ( Continued)

Table of Contents

Chapter 2 ( Continued)

Program vs.. Data

RISC

RISC (continued)

CISC

CISC or RISC

Other Schemes That Make Computing Faster

Other Schemes That Make Computing Faster (continued)

Other ALU Operations

Logical Operations

Truth Tables

Truth Table for AND

AND

AND Examples

Why AND ?

What’s a Mask ?

Truth Table for OR

OR

OR Examples

Why OR ?

What if we want 1’s instead of 0’s in some positions ?

Truth Table for Exclusive OR

Exclusive OR

XOR Examples

Why XOR ?

What if we wanted the compliment of a number ?

UNIX at UMBC

Email: burt@umbc

Home Page: www.cs.umbc.edu/~burt