...Wireless Technology in the Work Place XBIS 220 September 4, 2013 Smarts phones in today’s business environment enable managers to stay a step ahead of the clients and potential customers while offering life balance and enabling contact with family and other during the day. Smart phones do today what only wired computers along with a desktop telephone did for us in the past. When an employee left their desk, it was impossible to miss an important call or delay responding to a customer’s email. Both scenarios could potentially result in a competitor getting a sale for example. Today’s smart phones allow us to leave our workplaces and take a long with us full email and calendar capabilities, contacts, text and instant messaging, and essential data and files like proposal, business news or stock markets. Many internet services offer “Icloud” or “Google” storage that enable us to sync our smart phones with our desktop system so that files on both ends remain current. Smart phones offer Bluetooth, WI-Fi and internet access with full function browsers. Business are using wireless technologies such as smart phones for mobile banking, electronic payment, wireless bill payments and even access your TV schedule while you are far from home. Another tool for smart phone is the capability of multimedia that can store and display pictures and videos and even entire length movies streamed from apps. Another great feature is the MP3 player where we can enjoy music everywhere. Smart...
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...i Computational Complexity: A Modern Approach Draft of a book: Dated January 2007 Comments welcome! Sanjeev Arora and Boaz Barak Princeton University complexitybook@gmail.com Not to be reproduced or distributed without the authors’ permission This is an Internet draft. Some chapters are more finished than others. References and attributions are very preliminary and we apologize in advance for any omissions (but hope you will nevertheless point them out to us). Please send us bugs, typos, missing references or general comments to complexitybook@gmail.com — Thank You!! DRAFT ii DRAFT About this book Computational complexity theory has developed rapidly in the past three decades. The list of surprising and fundamental results proved since 1990 alone could fill a book: these include new probabilistic definitions of classical complexity classes (IP = PSPACE and the PCP Theorems) and their implications for the field of approximation algorithms; Shor’s algorithm to factor integers using a quantum computer; an understanding of why current approaches to the famous P versus NP will not be successful; a theory of derandomization and pseudorandomness based upon computational hardness; and beautiful constructions of pseudorandom objects such as extractors and expanders. This book aims to describe such recent achievements of complexity theory in the context of the classical results. It is intended to both serve as a textbook as a reference for self-study. This means...
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