Are Your Bits Flipped?

Are Your Bits Flipped?

Author: Joe Kissell

Publisher: alt concepts

ISBN: 9781615424719

Category: Computers

Page: 190

View: 909

Overcome Common Tech Misconceptions! Just as a single “flipped bit” in a piece of computer code can bring an otherwise reliable app crashing to a halt, a single misconception in your understanding of personal computing technology can cause all manner of problems—including lost data, wasted time, and frustration as you live and work in today’s increasingly digital world. In this unique title, which is packed with little-known facts and debunked beliefs, tech expert Joe Kissell untangles common confusions surrounding the high-tech products and services we all rely on every day. By eliminating your tech misconceptions, you’ll: * Avoid common errors that waste precious time or result in data loss. * Make decisions based on an accurate understanding of how things work. * Find yourself asking for—or paying for!—computer help less often. * Have clear explanations on hand when others ask you for help. * Better understand tech topics in the headlines—encryption, passwords, privacy, and more. * Make a stronger impression at a job interview, user group, or wherever your tech skills may be judged. Some of the 16 chapters in this 190-page book are updated and expanded versions of essays originally published in TidBITS. You’ll start thinking more clearly about: • Trust: Can you trust an online service like iCloud or Gmail, or a password manager? • Privacy: How do you evaluate your privacy when a Web site wants you to give it personal information? What if the site wants to track the way you use it? What if you want to store confidential data on it? • Fear: Should you worry about using Java or JavaScript, two computer languages that have little in common except their names? • Clicking: Why click twice when you can click once? Sort out once and for all what a single click versus a double click can accomplish rather than just clicking randomly like a teenager. • Opening apps: Are you in the shockingly large group of people who spend too much time on the mundane action of opening apps? • Cloud accumulation: How many cloud services (like Dropbox or Google Drive) do you need, where are your “cloud” files actually kept, and how can you keep your monthly cost down? • Email: How can you ensure that attachments make it through? Do you worry about where your email is actually located? Did you know you can choose an email address that will work over time and make you look better online? • Backups: Are you relying on a backup strategy that will let you down? Should you worry about what happens if you start up your Mac from a bootable duplicate? • Encryption: Do you understand why the U.S. government is going after the giant tech companies, and why the stakes are high for your own use of encryption? • Passwords: Do you know why it’s such a bad idea to use the same password for multiple sites, or to rely on a pattern? (Please, please, use a password manager.) • Web: Are your web searches finding what you want quickly and easily? Did you know that you can navigate the web more effectively if you understand how URLs work?

Quantum Error Correction

Quantum Error Correction

Author: Daniel A. Lidar

Publisher: Cambridge University Press

ISBN: 9781107433830

Category: Science

Page: 592

View: 743

Quantum computation and information is one of the most exciting developments in science and technology of the last twenty years. To achieve large scale quantum computers and communication networks it is essential not only to overcome noise in stored quantum information, but also in general faulty quantum operations. Scalable quantum computers require a far-reaching theory of fault-tolerant quantum computation. This comprehensive text, written by leading experts in the field, focuses on quantum error correction and thoroughly covers the theory as well as experimental and practical issues. The book is not limited to a single approach, but reviews many different methods to control quantum errors, including topological codes, dynamical decoupling and decoherence-free subspaces. Basic subjects as well as advanced theory and a survey of topics from cutting-edge research make this book invaluable both as a pedagogical introduction at the graduate level and as a reference for experts in quantum information science.

Quantum Aspects of Life

Quantum Aspects of Life

Author: Derek Abbott

Publisher: Imperial College Press

ISBN: 9781848162532

Category: Science

Page: 469

View: 418

This book presents the hotly debated question of whether quantum mechanics plays a non-trivial role in biology. In a timely way, it sets out a distinct quantum biology agenda. The burgeoning fields of nanotechnology, biotechnology, quantum technology, and quantum information processing are now strongly converging. The acronym BINS, for Bio-Info-Nano-Systems, has been coined to describe the synergetic interface of these several disciplines. The living cell is an information replicating and processing system that is replete with naturally-evolved nanomachines, which at some level require a quantum mechanical description. As quantum engineering and nanotechnology meet, increasing use will be made of biological structures, or hybrids of biological and fabricated systems, for producing novel devices for information storage and processing and other tasks. An understanding of these systems at a quantum mechanical level will be indispensable.

Sams Teach Yourself C++ in 21 Days

Sams Teach Yourself C++ in 21 Days

Author: Jesse Liberty

Publisher: Sams Publishing

ISBN: 9780768689976

Category: Computers

Page: 938

View: 217

Join the leagues of thousands of programmers and learn C++ from some of the best. The fifth edition of the best seller Sams Teach Yourself C++ in 21 Days, written by Jesse Liberty, a well-known C++ and C# programming manual author and Bradley L. Jones, manager for a number of high profiler developer websites, has been updated to the new ANSI/ISO C++ Standard. This is an excellent hands-on guide for the beginning programmer. Packed with examples of syntax and detailed analysis of code, fundamentals such as managing I/O, loops, arrays and creating C++ applications are all covered in the 21 easy-to-follow lessons. You will also be given access to a website that will provide you will all the source code examples developed in the book as a practice tool. C++ is the preferred language for millions of developers-make Sams Teach Yourself the preferred way to learn it!

Web Commerce Security

Web Commerce Security

Author: Hadi Nahari

Publisher: John Wiley & Sons

ISBN: 9780470624463

Category: Computers

Page: 505

View: 379

Provides information on designing effective security mechanisms for e-commerce sites, covering such topics as cryptography, authentication, information classification, threats and attacks, and certification.

Quantum Computing: from Alice to Bob

Quantum Computing: from Alice to Bob

Author: Alice Flarend

Publisher: Oxford University Press

ISBN: 9780192857972

Category: Computers

Page: 337

View: 442

"^IQuantum Computing: From Alice to Bob^R provides a distinctive and accessible introduction to the rapidly growing fields of quantum information science and quantum computing. The textbook is designed for undergraduate students and upper-level secondary school students with little or no background in physics, computer science, or mathematics beyond secondary school algebra and a bit of trigonometry. While broadly accessible, the book does not dodge providing a solid conceptual and formal understanding of quantum states and entanglement-the key ingredients in quantum computing. The book includes ^ITry It^Rs, brief exercises that engage the readers in problem solving (both with and without mathematics) and help them digest the many counter-intuitive quantum information science and quantum computing concepts. "This is a much needed bridge between popular and technical texts that provides easy access to the topic of quantum computing for curious readers who aim to go further and deeper in their understanding.""--

How to Solve It: Modern Heuristics

How to Solve It: Modern Heuristics

Author: Zbigniew Michalewicz

Publisher: Springer Science & Business Media

ISBN: 9783662041314

Category: Computers

Page: 467

View: 285

This book is the only source that provides a systematic, integrated introduction to problem solving using modern heuristics, presenting the state-of-the-art in both numerical and analytic methods. It covers classic methods of optimization, including dynamic programming, the simplex method, and gradient techniques, as well as recent innovations such as simulated annealing, tabu search, and evolutionary computation. Integrated into the discourse is a series of problems and puzzles to challenge the reader. Written in a lively, engaging style, readers will learn how to use some of the most powerful problem solving tools currently available.

Genetic Algorithms in Elixir

Genetic Algorithms in Elixir

Author: Sean Moriarity

Publisher: Pragmatic Bookshelf

ISBN: 9781680508307

Category: Computers

Page: 304

View: 819

From finance to artificial intelligence, genetic algorithms are a powerful tool with a wide array of applications. But you don't need an exotic new language or framework to get started; you can learn about genetic algorithms in a language you're already familiar with. Join us for an in-depth look at the algorithms, techniques, and methods that go into writing a genetic algorithm. From introductory problems to real-world applications, you'll learn the underlying principles of problem solving using genetic algorithms. Evolutionary algorithms are a unique and often overlooked subset of machine learning and artificial intelligence. Because of this, most of the available resources are outdated or too academic in nature, and none of them are made with Elixir programmers in mind. Start from the ground up with genetic algorithms in a language you are familiar with. Discover the power of genetic algorithms through simple solutions to challenging problems. Use Elixir features to write genetic algorithms that are concise and idiomatic. Learn the complete life cycle of solving a problem using genetic algorithms. Understand the different techniques and fine-tuning required to solve a wide array of problems. Plan, test, analyze, and visualize your genetic algorithms with real-world applications. Open your eyes to a unique and powerful field - without having to learn a new language or framework. What You Need: You'll need a macOS, Windows, or Linux distribution with an up-to-date Elixir installation.

Mathematical Puzzles

Mathematical Puzzles

Author: Peter Winkler

Publisher: CRC Press

ISBN: 9781482250183

Category: Mathematics

Page: 175

View: 625

Collected over several years by Peter Winkler, of Bell Labs, dozens of elegant, intriguing challenges are presented in Mathematical Puzzles. The answers are easy to explain, but without this book, devilishly hard to find. Creative reasoning is the key to these puzzles. No involved computation or higher mathematics is necessary, but your ability to

Nanocrystals in Nonvolatile Memory

Nanocrystals in Nonvolatile Memory

Author: Writam Banerjee

Publisher: CRC Press

ISBN: 9781351203258

Category: Science

Page: 534

View: 149

In recent years, utilization of the abundant advantages of quantum physics, quantum dots, quantum wires, quantum wells, and nanocrystals has attracted considerable scientific attention in the field of nonvolatile memory. Nanocrystals are the driving element that have brought the nonvolatile flash memory technology to a distinguished height. However, new approaches are still required to strengthen this technology for future applications. This book details the methods of fabrication of nanocrystals and their application in baseline nonvolatile memory and emerging nonvolatile memory technologies. The chapters have been written by renowned experts of the field and will provide an in-depth understanding of these technologies. The book is a valuable tool for research and development sectors associated with electronics, semiconductors, nanotechnology, material sciences, solid state memories, and electronic devices.

Take Control of Your Online Privacy, 4th Edition

Take Control of Your Online Privacy, 4th Edition

Author: Joe Kissell

Publisher: alt concepts

ISBN: 9781947282377

Category: Computers

Page: 178

View: 826

Learn what’s private online (not much)—and what to do about it! Updated 04/11/2019 Nowadays, it can be difficult to complete ordinary activities without placing your personal data online, but having your data online puts you at risk for theft, embarrassment, and all manner of trouble. In this book, Joe Kissell helps you to develop a sensible online privacy strategy, customized for your needs. Whether you have a Mac or PC, iOS or Android device, set-top box, or some other network-enabled gadget, you’ll find practical advice that ordinary people need to handle common privacy needs (secret agents should look elsewhere). You’ll learn how to enhance the privacy of your internet connection, web browsing, email messages, online chatting, social media interactions, and file sharing, as well as your mobile phone or tablet, and Internet of Things devices like webcams and thermostats. Parents will find important reminders about protecting a child’s privacy. The book also includes Joe’s carefully researched VPN recommendations. The book is packed with sidebars that help you get a handle on current topics in online privacy, including international travel, quantum computing, why you should beware of VPN reviews online, two-factor authentication, privacy and your ISP, understanding how ads can track you, and more. You’ll receive savvy advice about topics such as these: • Why worry? Learn who wants your private data, and why they want it. Even if you don’t believe you have anything to hide, you almost certainly do, in the right context. Would you give just anyone your financial records or medical history? Didn’t think so. • Set your privacy meter: Develop your own personal privacy rules—everyone has different privacy buttons, and it’s important to figure out which matter to you. • Manage your Internet connection: Understand privacy risks, prevent snoops by securing your Wi-Fi network, and take key precautions to keep your data from leaking out. Also find advice on using a VPN, plus why you should never believe a VPN review that you read on the Internet—even if it seems like it was written by Joe! • Browse and search the web: Learn what is revealed about you when you use the web. Avoid bogus websites, connect securely where possible, control your cookies and history, block ads, browse and search anonymously, and find out who is tracking you. Also, take steps to protect passwords and credit card data. • Send and receive email: Find out how your email could be intercepted, consider when you want email to be extra private (such as when communicating with a lawyer), find out why Joe doesn’t recommend email encryption as a solution to ordinary privacy needs (but find pointers for how to get started if you want to try it—or just encrypt an attachment, which is easier), get tips for sending email anonymously, and read ideas for alternatives to email. • Talk and chat online: Consider to what extent any phone call, text message, or online chat is private, and find tips for enhancing privacy when using these channels. • Watch your social media sharing: Understand the risks and benefits of sharing personal information online (especially on Facebook!), tweak your settings, and consider common-sense precautions. • Share files: What if you want to share (or collaborate on) a contract, form, or other document that contains confidential information? Find out about the best ways to share files via file server, email attachment, cloud-based file sharing service, peer-to-peer file sharing, or private cloud. • Check your electronics: All sorts of gizmos can connect to the Internet these days, so everything from a nannycam to smart light bulbs should be considered in your online privacy strategy. • Think mobile: Ponder topics like SIM card encryption keys, supercookies, location reporting, photo storage, and more as you decide how to handle privacy for a mobile phone or tablet. • Help your children: As a parent, you know a lot about your children, and you have access to lots of photos of them. But that doesn’t mean you should share everything without a thought to your children’s privacy needs. Find a few key tips to keep in mind before you tell all.

Take Control of Your Passwords, 3rd Edition

Take Control of Your Passwords, 3rd Edition

Author: Joe Kissell

Publisher: alt concepts

ISBN: 9781947282186

Category: Computers

Page: 162

View: 407

Overcome password frustration with Joe Kissell’s expert advice! Version 3.2, updated July 28, 2021 Password overload has driven many of us to take dangerous shortcuts. If you think ZombieCat12 is a secure password, that you can safely reuse a password, or that no one would try to steal your password, think again! Overcome password frustration with expert advice from Joe Kissell! Passwords have become a truly maddening aspect of modern life, but with this book, you can discover how the experts handle all manner of password situations, including multi-factor authentication that can protect you even if your password is hacked or stolen. The book explains what makes a password secure and helps you create a strategy that includes using a password manager, working with oddball security questions like “What is your pet’s favorite movie?”, and making sure your passwords are always available when needed. Joe helps you choose a password manager (or switch to a better one) in a chapter that discusses desirable features and describes a dozen different apps, with a focus on those that work in macOS, iOS, Windows, and Android. The book also looks at how you can audit your passwords to keep them in tip-top shape, use two-step verification and two-factor authentication, and deal with situations where a password manager can’t help. The book closes with an appendix on helping a relative set up a reasonable password strategy for those whose friends or relatives have distressing password strategies, and an extended explanation of password entropy for those who want to consider the math behind passwords. This book shows you exactly why: • 9-character passwords with upper- and lowercase letters, digits, and punctuation are not strong enough. • You cannot turn a so-so password into a great one by tacking a punctuation character and number on the end. • It is not safe to use the same password everywhere, even if it’s a great password. • A password is not immune to automated cracking because there’s a delay between login attempts. • Even if you’re an ordinary person without valuable data, your account may still be hacked, causing you problems. • You cannot manually devise “random” passwords that will defeat potential attackers. • Just because a password doesn’t appear in a dictionary, that does not necessarily mean that it’s adequate. • It is not a smart idea to change your passwords every month. • Truthfully answering security questions like “What is your mother’s maiden name?” does not keep your data more secure. • Adding a character to a 10-character password does not make it 10% stronger. • Easy-to-remember passwords like “correct horse battery staple” will not solve all your password problems. • All password managers are not pretty much the same. • Your passwords will not be safest if you never write them down and keep them only in your head. But don’t worry, the book also teaches you a straightforward strategy for handling your passwords that will keep your data safe without driving you batty.