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"Make your PC your new best friend! Personal computers can connect you to the world, improve your productivity, and make your life much easier. But sometimes it can be tough to know where to start. In Computers For Seniors For Dummies, you'll find a guide that's perfect for those with an abundance of life experience who need a helping hand finding their way around a Windows PC. From surfing the web to video chatting with your family, you'll find hands-on guidance for the everyday tasks you'll need to understand to get the most out of your new computer. Inside : Choose and set up a new PC, secure your computer and data, select a suitable printer, work with Windows, manage your files, customize your PC, chat and email with family and friends, surf the web and work in the cloud."-Back cover.

Microcomputers --- Computers and older people. --- Access control. --- Microcomputers.

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Increase productivity and lower the operating cost of your business by automating crucial business processes with the Raspberry Pi. After completing this book's projects you'll be able to determine the best way to quickly apply automation to existing systems and processes in your retail outlet with Raspberry Pi. Youll start by composing ideas to transform your business, and then gain practical, accessible methods for executing them. Find real-world ways to implement tech solutions to accelerate the growth of your business, and navigate the ever-changing landscape of retail automation with this book. Then see what automation can and cannot do at the current level of technical progress for retail businesses. By comparing the efficiency of machines with manual labor, youll be able to assess how open-source hardware performs in lowering operating costs and identify business components that can be improved with automation. Raspberry Pi Retail Applications features projects that are easy to dive into and will function readily in your day-to-day business right now. You will: Identify business components that can be improved with automation Combine the existing array of Raspberry Pi hardware options to build customized solutions Implement tech ideas in a practical retail environment to reduce cost and streamline your business processes.

Raspberry Pi (Computer) --- Retail trade --- Programming. --- Data processing. --- Microcomputers

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Learn the skills and solutions required to secure your Mac's operating system, the underlying hardware, and allow users to get work done safely. This book will show you how to create a Mac that's made of steel and won't buckle when attacked! Ok, there's no such thing as unhackable. No magic tool or silver bullet will eliminate risk in all forms. Security is an ongoing journey - not a simple action or software application. And that is exactly what you'll learn to master--the foundational knowledge, skills, and mindset to holistically protect Macs. Regardless of whether it's your personal iMac or a fleet of MacBook Pro's assigned to the remote employees within your organization, you'll be able to limit access while identifying and mitigating risk unique to your environment. In addition to the information security best practices pertaining to protecting Apple computers, you'll pivot to a coherent, security-focused mindset to better understand macOS-specific security. You'll learn how it works and what tools and software are available to help. Both native and 3rd-party tool are covered. Safe guard your system's privacy data and capitalize on effectively locking down the security of your Mac computers against known threats and newer trends that continue to evolve. Hardening Your Macs is the perfect roadmap to stopping malicious attacks and bad actors from spying on users through cameras, microphones, and other built-in tools that could potentially be used against users and organizations alike. What You'll Learn Grasp the mindset of attackers--how they plan and execute malicious incursions Implement hardware solutions as well as software safeguards Take advantage of Apple's built-in macOS security features in addition to 3rd party tools Avoid attacks on your system that could compromise sensitive corporate data and personally identifiable information Who This Book Is ForIT admins responsible for managing Mac device security. Additionally users of Apple products that may have some experience using the platform in general but are not versed in security, as well as, those switching from Windows platforms will find useful information here. And anyone that wishes to expand their information security skills and/or develop a security-focused mindset to better protect their personal information and privacy data from the numerous and growing threats in the wild, such as malware and phishing.

Apple computer. --- Apple computer --- Programming. --- Microcomputers --- Security measures.

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Develop real-world interactive physical computing applications using the Micro:bit with more than 100 MicroPython examples with circuit diagrams Key Features Explore hardware programming and leverage the power of the BBC Micro:bit and MicroPython Build real-life creative projects step by step with each chapter increasing in complexity and interactivity Learn the features of the Micro:bit and how to interface it with electronic components through circuits and code examples Book Description This book is a one-stop guide for learning BBC Micro:bit with MicroPython, exploring many hardware components and programming techniques to provide detailed insights into developing practical applications with the Micro:bit. It will also show you how hardware components can be manipulated using a combination of Micro:bit and MicroPython for developing practical projects. BBC Micro:bit in Practice will help you gain a holistic understanding of the BBC Micro:bit platform and MicroPython programming, guiding you through mini projects aimed at developing practical knowledge of circuit design and writing programs. You'll learn how to write programs for working with built-in LEDs and buttons, interfacing external LEDs, buttons, motors, buzzers, and much more. You'll also work with built-in radio, speakers, accelerometer, and a compass. You'll dive into concepts related to the Micro:bit filesystem, interfacing external displays, and working with libraries in detail before exploring sewable circuits and wearable technology. After reading this Micro:bit book, you'll understand how to apply principles in electronics and MicroPython to create interesting real-life projects from scratch. What you will learn Explore the essentials of the BBC Micro:bit, its hardware specifications, and versions Program built-in and external LEDs and buttons Program external LED-based displays, buzzers, and stepper motors Use analog input and pulse width modulation to drive a servo motor Detect gestures with internal sensors such as accelerometer, compass, and magnetometer Work on projects with built-in features such as music, speech, radio, and filesystem Explore the advanced features of the Micro:bit Who this book is for This book is for anyone who wants to use the combination of MicroPython and the BBC Micro:bit for building exciting real-life projects. Engineers, researchers, hobbyists, and technology instructors working in areas such as embedded systems, electronics, software development, IoT, robotics, teaching, and training will find this book useful for building projects. Prior experience with building basic electronic circuits and any programming language, not necessarily MicroPython, will be helpful.

Micro:bit --- Microcomputers --- Python (Computer program language) --- Programming.

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Improve your understanding of all Core 1 and Core 2 A+ exam objectives and prepare for a new career as a computer technician The Third Edition of the CompTIA A+ Complete Practice Tests: Core 1 Exam 220-1101 and Core 2 Exam 220-1102 offers aspiring and practicing computer technicians essential and practical exam prep material for the industry favorite A+ certification. The hundreds of domain-by-domain practice questions cover all of the A+ exam objectives tested on the Core 1 and Core 2 exams, helping you prepare for success on the tests and in the real world. Just like the real exams, the practice questions contained within this resource cover mobile devices, networking, hardware, virtualization and cloud computing, hardware and network troubleshooting, operating systems, security, software troubleshooting, and operational procedures. These rigorous and realistic practice questions will get you ready for your first role as a computer technician and let you hit the ground running. This comprehensive set includes: Challenging questions designed to advance your understanding and comprehension of all covered exam domains Questions similar to those found on the real Core 1 and Core 2 A+ exams Access to the Sybex online test bank, with hundreds of questions and full-length practice exams Perfect for anyone prepping for the Core 1 and Core 2 A+ exams, CompTIA A+ Complete Practice Tests: Core 1 Exam 220-1101 and Core 2 Exam 220-1102 is also an ideal resource for aspiring and early-career computer technicians who want to improve their understanding of some of the foundational concepts they rely on each day in the field.

Microcomputers --- Computer technicians --- Computer technicians --- Maintenance and repair --- Examinations --- Certification --- Certification.