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The Architecture of Computer Hardware, Systems Software, and Networking : An Information Technology Approach

The Architecture of Computer Hardware, Systems Software and Networking is designed help students majoring in information technology (IT) and information systems (IS) understand the structure and operation of computers and computer-based devices.Requiring only basic computer skills, this accessible textbook introduces the basic principles of system architecture and explores current technological practices and trends using clear, easy-to-understand language.Throughout the text, numerous relatable examples, subject-specific illustrations, and in-depth case studies reinforce key learning points and show students how important concepts are applied in the real world. This fully-updated sixth edition features a wealth of new and revised content that reflects today’s technological landscape. Organized into five parts, the book first explains the role of the computer in information systems and provides an overview of its components.Subsequent sections discuss the representation of data in the computer, hardware architecture and operational concepts, the basics of computer networking, system software and operating systems, and various interconnected systems and components.Students are introduced to the material using ideas already familiar to them, allowing them to gradually build upon what they have learned without being overwhelmed and develop a deeper knowledge of computer architecture.

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computer hardware software Antivirus software online download Norton Security Antivirus key download

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Reconfigurable Intelligent Surface-Enabled Integrated Sensing and Communication in 6G

As the main trend and key enabling technology for next-generation wireless networks (i.e., 6G), integrated sensing and communication (ISAC) can effectively improve spectrum efficiency, hardware efficiency, and information processing efficiency.However, it faces several deficiencies, including limited coverage due to high-frequency signals and limited communication-sensing performance due to uncontrollable wireless environments.Reconfigurable intelligent surface (RIS) provides novel dimensions to address these deficiencies by intelligently manipulating the wireless propagation environment in an energy- and hardware-efficient manner.RIS-enabled ISAC is expected to comprehensively promote the multi-dimensional performance of 6G, such as communication capacity, sensing accuracy, and coverage.Nevertheless, to fully realize its potential, one needs to figure out the impacts of RIS on joint communication and sensing performance and tackle new technical challenges in beamforming designand signal processing.The goal of this book, therefore, is to deliver a thorough understanding of RIS-enabled ISAC from three perspectives: performance analysis, beamforming design, and signal processing.Specifically, the authors provide a brief introduction to RIS-enabled ISAC, including basic concepts, motivations, potential application scenarios, and an overview of the state-of-the-art research on RIS-enabled ISAC.The theoretical performance analytical frameworks of RIS-enabled ISAC and their corresponding results are also discussed.Based on this, several critical issues are identified and elaborated on, including signal processing technologies such as angle and Delay-Doppler information acquisition, and air interface technologies such as beamforming designs.Finally, the book concludes with future trends and open issues for further research. The book would be beneficial for researchers, graduate students, and industry professionals who wish to gain a comprehensive understanding of the latest developments and challenges in RIS-enabled ISAC.By providing insights into the potential of RIS-enabled ISAC and the technical challenges that need to be addressed, the book can aid in the development of practical solutions for next-generation wireless networks and contribute to the advancement of the field of wireless communications.

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Surface Pro Charger 15V 4A Surface Laptop Surface Charger 65W 44W 36W 24W Compatible with Surface Power Adapter for Surface Power Surface charger

【Cautions for using electrical products】 When using electrical appliances, please note that the voltage is different from that of Japan, which may cause malfunctions. Since the plug type is Japan type(A or B type), please check the voltage and use a transformer. Please note that a transformer is different from a conversion adapter. We are not responsible for malfunctions caused by use without a transformer. [Alternative]: Microsoft Surface 65 W 15 V 4 A 1706 charger, 44 W 15 V 2.58 A 1800 charger, 36 W 12 V 2.58 A 1625 charger, 24 W 15 V 1.6 A 1735/1736 charger, exact match surface Models 1706, 1866, 1796, 1724, 1625, 1867, 1735, 1800 etc. [Compatible models] Can be used with the following types. Microsoft Surface Laptop Charger,Surface Pro 3/4/5/6/7/8/9/X Charger,Surface Laptop 1/2/3/4/5 Charger,Surface Go 1/2/3 Charger ,Surface Book 1/2/3 charger,Surface Laptop Go charger,Windows Surface Laptop Studio charger [Product specifications] Input: 100-240V, 50/60 Hz (common); Output: 15V-4A 65W; USB port 5V-1A 5W. You can also charge other devices such as mobile phones and computers at the same time. [Safe and secure] This Surface Pro power adapter has passed multiple certifications such as RoHS, CE, FCC, etc. According to the certification, it is equipped with advanced electrical circuits and built-in safety devices, and has IC chip technology inside. Equipped with short circuit protection/overload protection/over protection. Test your charger to ensure a solid magnetic connection. [Package contents]: Surface Pro power adapter, AC charging cable. If you have any quality-related issues, please contact our customer support and we will help you resolve your issue smoothly. Please rest assured that we will take various measures. 65W 15V 4A Surface Pro Power Adapter Surface Book, Surface Pro 9/8/7/6/5/4/3/X Surface Laptop Charger for Surface Go/ Surface Go 2/Surface Go 3 Surface Laptop1/2/3/4/5 Surface Tablet easy to use Exclusive magnetic suction interface designed specifically for Surface Pro with LED indicator, easy to use. Convenient LED indicator function, charging as expected. Safe use PSE certified in Japan, multi-charging protection system avoids overcharging, overdischarge, overcurrent, overvoltage, overheating or short circuit, allowing you to use it safely for a long time. Compatible models Surface Pro 3/4/5/6/7/8/9/X Surface Laptop 1/2/3/4/5 Surface Go1/2/3 Surface Book 1/2/3 Compatible models: 1703 1796 1706 1873 1735 1724 1631 1782 1769 1736 1800 1625 compatible power supply 24W 15V 1.6A 1736 Power Adapter 36W 12V 2.58A 1625 Power Adapter 44W 15V 2.58A 1800 Power Adapter 65W 15V 4A 1706 Power Adapter 12V/2.58A/36W, 15V/1.6A /24W, 15V/2.58A/44W, 15V/4A/65W Auto adjust Package contents 1* Surface power adapter 1* Power cord/

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What is the difference between surface and surface area?

Surface refers to the outermost layer or the top of an object, while surface area refers to the total area that the surface of an object covers. Surface area takes into account the length, width, and height of an object and calculates the total area of all its surfaces. In contrast, surface simply refers to the outermost layer of an object without considering its total area.

Software or hardware?

When deciding between software and hardware, it ultimately depends on the specific needs and goals of the user. Software provides flexibility, scalability, and ease of updates, making it ideal for tasks that require frequent changes or updates. On the other hand, hardware offers reliability, security, and performance for tasks that require high processing power or data storage. It is important to carefully evaluate the requirements of the project or task at hand to determine whether software or hardware is the best solution.

'Software or hardware?'

The choice between software and hardware depends on the specific needs and goals of the user. Software provides flexibility and can be easily updated or customized, while hardware offers physical components that may be more reliable and provide better performance for certain tasks. Ultimately, the decision between software and hardware should be based on the specific requirements of the user and the intended use of the technology.

Which sleeping surface?

The best sleeping surface for you depends on your personal preferences and any specific health concerns you may have. Some people prefer a firm mattress for better back support, while others may find a softer mattress more comfortable. Memory foam mattresses can provide pressure relief and contour to your body, while adjustable beds can offer customizable support. Ultimately, the best sleeping surface is one that allows you to wake up feeling rested and free of any aches or pains.

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Microsoft Surface Dock 2 for Surface

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Software Supply Chain Security : Securing the End-to-End Supply Chain for Software, Firmware, and Hardware

Trillions of lines of code help us in our lives, companies, and organizations.But just a single software cybersecurity vulnerability can stop entire companies from doing business and cause billions of dollars in revenue loss and business recovery.Securing the creation and deployment of software, also known as software supply chain security, goes well beyond the software development process. This practical book gives you a comprehensive look at security risks and identifies the practical controls you need to incorporate into your end-to-end software supply chain.Author Cassie Crossley demonstrates how and why everyone involved in the supply chain needs to participate if your organization is to improve the security posture of its software, firmware, and hardware. With this book, you'll learn how to:Pinpoint the cybersecurity risks in each part of your organization's software supply chainFind the cybersecurity frameworks and resources that can improve securityIdentify the roles that participate in the supply chain-including IT, development, operations, manufacturing, and procurementDesign initiatives and controls for each part of the supply chain using existing frameworks and referencesEvaluate third-party risk in your supply chain

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Attack Surface

Return to the world of Little Brother and Homeland.Attack Surface takes us five minutes into the future, to a world where everything is connected and everyone is vulnerable.Masha Maximow has made some bad choices in life – choices that hurt people.But she's also made some pretty decent ones. In the log file of life, however, she can't quite work out which side of the ledger she currently stands. Masha works for Xoth Intelligence, an InfoSec company upgrading the Slovstakian Interior Ministry's ability to spy on its citizens' telecommunications with state-of-the-art software (at least, as state-of-the-art as Xoth is prepared to offer in its middle-upper pricing tier). Can you offset a day-job helping repressive regimes spy on their citizens with a nighttime hobby where you help those same citizens evade detection?Masha is about to find out. Pacy, passionate, and as current as next week, Attack Surface is a paean to activism, to courage, to the drive to make the world a better place. Praise for Cory Doctorow: 'The right book at the right time from the right author – and, not entirely coincidentally, Cory Doctorow's best novel yet' JOHN SCALZI'A wonderful, important book...I think it'll change lives' NEIL GAIMAN on Little Brother'One of our most important science fiction writers' KIM STANLEY ROBINSON

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Is the surface area the same as the surface area?

No, the surface area is not the same as the surface area. It seems like there might be a typo in the question. If you meant to ask if the surface area is the same as the volume, then the answer is no. Surface area refers to the total area of the outer surface of an object, while volume refers to the amount of space that an object occupies. They are two different measurements that describe different aspects of an object's size and shape.

What is the surface area and the lateral surface area?

Surface area is the total area of all the surfaces of a three-dimensional object, including the area of its faces, bases, and any curved surfaces. Lateral surface area, on the other hand, refers to the total area of the side surfaces of a three-dimensional object, excluding the area of its bases. In other words, the lateral surface area is the surface area of the sides of the object, while the surface area includes the lateral surface area as well as the area of the bases.

How do I properly smooth the surface of a concrete surface?

To properly smooth the surface of a concrete surface, you can use a concrete float or trowel to level the concrete while it is still wet. Start by spreading the concrete evenly and then use the float or trowel to smooth out any bumps or uneven areas. You can also use a broom finish for a textured surface, or a steel trowel for a smooth finish. It's important to work quickly and efficiently while the concrete is still workable to achieve the desired smoothness. Finally, make sure to follow any specific instructions or guidelines provided by the concrete manufacturer for the best results.

Should I choose the Surface Book 2 or the Surface Studio?

The decision between the Surface Book 2 and the Surface Studio ultimately depends on your specific needs and preferences. If you require a versatile device that can function as both a laptop and a tablet with a detachable screen, then the Surface Book 2 would be a better choice. On the other hand, if you prioritize a larger, high-resolution display and prefer a stationary setup for creative work, then the Surface Studio may be more suitable. Consider factors such as portability, screen size, and intended usage to make the best decision for your needs.

* All prices are inclusive of VAT and, if applicable, plus shipping costs. The offer information is based on the details provided by the respective shop and is updated through automated processes. Real-time updates do not occur, so deviations can occur in individual cases.

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