美国著名学者威廉斯特林斯教授编写的操作系统经典教材：《操作系统精髓与设计原理》第9版英文版。目前被国外和国际多所大学使用。
2019-12-21 18:57:03
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触摸式感应按键的设计原理及指南,对触摸屏与触摸按键在手机中的设计与应用进行介绍，对设计的经验数据进行总结。达到设计资料
和经验的共享，避免低级错误的重复发生
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本文采用buck-boost升降压电路设计，输入DC5-12v，经过buck-boost电路后，可输出DC0-18v可调的电压，可输出2A以上电流，采用PID算法自动调节输出设定的稳定电压，其输出稳压误差波动小于0.01v，纹波小于150mv，转换效率>87%，其中按键可任意设定输出的电压大小。
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网站设计经典之作，2015年最新版英文原版（第6版）
CONTENTS
CHAPTER 1
Preface xxi
HTML5 1
Creating Web Pages with HTML 2
HTML Syntax 3 Structure of a Basic Web Page 4 Activity: Building a Basic HTML5 Document 5 HTML in the Browser 11
Adding Style with CSS 13
CSS Syntax 15 Activity: Using Cascading Style Sheets 16 Organizing Information with Hypertext 19
Understanding the History of HTML 19
A Need for Standards 20 XML and XHTML: A New Direction 22 Problems with XHTML 23 A Proposal for HTML5 23
Working with HTML5 24
HTML5 Loose and Strict Syntaxes 26
Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.

v
vi
Contents
CHAPTER 2
Choosing the Correct Syntax 27 Choosing the Correct Document Type and MIME Type 28 Creating Syntactically Correct Code 29 Element Categories 30 New Elements in HTML5 32 Attributes in HTML5 33 Obsolete Elements in HTML5 33 Using HTML5 Elements for Page Structure 33 Interactive Capabilities in HTML5 36
Using Good Coding Practices 37
Stick to the Standards 37 Use Semantic Markup 38 Validate Your Code 38
Chapter Summary 40
Key Terms 40
Review Questions 42
Hands-On Projects 42
Individual Case Project 44
Project Proposal 45
Team Case Project 45
Project Proposal 46
WEB SITE DESIGN PRINCIPLES 47
Understanding the Web Design Environment 48
Browser Compatibility Issues 48 Connection Speed Differences 50 Browser Cache and Download Time 51 Device and Operating System Issues 52
Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBoo
2015-10-27 00:00:00
20.35MB
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