It is hard to imagine life without your Smartphone – you have come to rely on it so much – for your work; to stay in touch with family and friends; to capture and share those special moments; to find your way around in a new neighborhood. Did you ever wonder how and when all this happened? Or how and when GPS sensors came to be in your cell phone?
加州大学圣地亚哥分校课程信息
学生职业成果
50%
完成这些课程后已开始新的职业生涯
25%
通过此课程获得实实在在的工作福利
11%
加薪或升职
可分享的证书
完成后获得证书
100% 在线
立即开始，按照自己的计划学习。
可灵活调整截止日期
根据您的日程表重置截止日期。
完成时间大约为21 小时
英语（English）
字幕：阿拉伯语（Arabic）, 法语（French）, （欧洲人讲的）葡萄牙语, 意大利语, 越南语, 韩语, 德语（German）, 俄语（Russian）, 英语（English）, 西班牙语（Spanish）
学生职业成果
50%
完成这些课程后已开始新的职业生涯
25%
通过此课程获得实实在在的工作福利
11%
加薪或升职
可分享的证书
完成后获得证书
100% 在线
立即开始，按照自己的计划学习。
可灵活调整截止日期
根据您的日程表重置截止日期。
完成时间大约为21 小时
英语（English）
字幕：阿拉伯语（Arabic）, 法语（French）, （欧洲人讲的）葡萄牙语, 意大利语, 越南语, 韩语, 德语（German）, 俄语（Russian）, 英语（English）, 西班牙语（Spanish）
提供方
加州大学圣地亚哥分校
UC San Diego is an academic powerhouse and economic engine, recognized as one of the top 10 public universities by U.S. News and World Report. Innovation is central to who we are and what we do. Here, students learn that knowledge isn't just acquired in the classroom—life is their laboratory.
教学大纲 - 您将从这门课程中学到什么
完成时间为 3 小时
Welcome
Welcome to the first course in the Internet of Things specialization! We hope you’re just as excited as we are to begin this fascinating journey! Before getting started with the material, we would like to introduce you to the team that made this all possible, as well as give you a preview of what to expect throughout the entire specialization.
完成时间为 3 小时
4 个视频 （总计 34 分钟）, 2 个阅读材料, 2 个测验
完成时间为 4 小时
Circuit Switched Networks
In order to answer the big question, “how did we get here?” we must start from the beginning. The beginning of what you may ask, well the beginning of telecommunication! In this course we will cover the birth of the telephone and its gradual evolution through different networks. Humans love to talk, which might explain the speedy growth of telephony networks.
完成时间为 4 小时
20 个视频 （总计 68 分钟）, 3 个阅读材料, 5 个测验
完成时间为 3 小时
Packet Switched Networks
Now that we have looked at circuit switched networks, we will begin to talk about packet switched networks. Digital networking will change in the telephone industry is what allowed all of the exciting new features we see on mobile phones. In this course, we will clarify differences between circuit and packet switched networks, as well as reveal what digital networking allows us to do.
完成时间为 3 小时
12 个视频 （总计 37 分钟）, 1 个阅读材料, 4 个测验
完成时间为 4 小时
Computer Telephony
The convergence begins! Computers and telephones start working together which served a great opportunity for business in many ways. Imagine a world without caller ID or voicemail, scary isn’t it? Telephony begins to take the digital route, which brings a whole new experience in telecommunications. The digitization of telephones wasn’t all positive, for it created the possibility of hackers accessing personal information.
完成时间为 4 小时
15 个视频 （总计 21 分钟）, 1 个阅读材料, 6 个测验
完成时间为 3 小时
Wireless Technologies
Telephones eventually become a new entity which we might recognize as the cell phone. Phone mobility revolutionizes the telecommunications market, phones are no longer apply to homes but rather to people. Cell phones were a game changer for telephone companies.
完成时间为 3 小时
21 个视频 （总计 46 分钟）, 1 个阅读材料, 6 个测验
完成时间为 2 小时
Features and Apps
Phone applications are born! This is probably the greatest contribution to the telephone industry because now phone don’t just make phone calls and take messages, but also handle finances, entertain, educate, control your home, turn on your car and anything you can imagine! The limits of a technology have never been more endless, if you can think it you can sure build an app for it.
完成时间为 2 小时
7 个视频 （总计 27 分钟）, 1 个阅读材料, 2 个测验
完成时间为 3 小时
Future Outlook
Congratulations! You’ve made it to the last module in this course! At this point, you should know the history of the internet and many innovations that it has advanced with, but what is the Internet of Things anyway? That question and many more will be answered in this final course!
完成时间为 3 小时
8 个视频 （总计 55 分钟）, 1 个阅读材料, 3 个测验
审阅
来自物联网：从而何来？的热门评论
由 FS 提供Oct 10, 2016
Pretty loaded with information on how we got to here technology-wise. Lacks on some more in-deep info, even being a introductory course, it could have a bit more info on the state of the art of IoT.
由 DR 提供Mar 7, 2016
Hello Everyone, I really enjoyed this course and definitely this is great learning experience for me..I am heartily thankful to Both Professors for given me this knowledge..\n\nThanks a lot..
由 GP 提供Jan 4, 2016
Great base for the incoming session in this specialization. I've learned about lot of things what i am using every day dut i had no idea how it was developed. Useful base knowledge.
由 WF 提供May 20, 2020
The course was pretty interesting and helpful, but however, the quizzes are oftentimes not relevant to the taught material. External sources have to be consulted to do the quizzes.
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