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A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

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乐理


Master the fundamentals of music theory through comprehensive modules covering notation systems, scales, intervals, chords, and modes. Learn both traditional staff notation and numbered musical notation while developing practical skills.
- XuetangX
- Self-Paced
- Free Online Course
单片机原理与应用（单片机原理及应用）（含单片机实验）

Dive into microcontroller principles, hardware structure, assembly language programming, and system design through hands-on experiments with the 51 microcontroller family.
- XuetangX
- Self-Paced
- Free Online Course
网页设计与地图应用


Dive into web design and map applications through hands-on projects, progressing from basic HTML to interactive maps and data visualization. Build practical coding skills with zero prior programming experience.
- XuetangX
- Self-Paced
- Free Online Course
计算机网络工程实践


Master advanced computer networking through hands-on practice with routing protocols, LAN/WAN technologies, network security, and firewall configurations using Huawei eNSP simulation software.
- XuetangX
- Self-Paced
- Free Online Course
网络信息安全与信息隐藏


深入浅出的网络信息安全内容讲解，鲜明生动的信息隐藏与数字水印的知识传授。
- XuetangX
- Self-Paced
- Free Online Course
嵌入式系统综合设计与实践


掌握32位微处理器嵌入式系统开发技术，从Android基础到传感器应用，通过实践练习深入理解系统组成、工作原理和实际应用场景。
- XuetangX
- Self-Paced
- Free Online Course
计算机网络


Master the fundamentals of computer networks, from physical infrastructure to advanced protocols, covering network architecture, TCP/IP, data transmission, routing, security, and wireless communications.
- XuetangX
- Self-Paced
- Free Online Course
程序设计基础


Dive into C programming fundamentals, from basic syntax to advanced concepts like pointers and structures, while building a practical student information management system through hands-on projects.
- XuetangX
- Self-Paced
- Free Online Course
C语言程序设计


C语言被称为常青树语言，通过本课程的学习，你可以了解程序的设计以及运行过程，建立程序设计理念，在程序设计中培养计算思维；也可以根据自己的需要设计专用软件。
- XuetangX
- Self-Paced
- Free Online Course
C语言程序设计


Dive into C programming fundamentals through progressive case studies, mastering syntax, algorithms, and practical problem-solving while developing engineering and computational thinking skills.
- XuetangX
- Self-Paced
- Free Online Course
嵌入式系统


CPS视角的高级嵌入式系统设计，异构多核嵌入式系统应用，在嵌入式系统中硬件加速算法执行。
- XuetangX
- Self-Paced
- Free Online Course
数据结构及算法


Master fundamental data structures and algorithms, from linear lists and trees to graphs, including implementation, complexity analysis, sorting methods, and practical problem-solving techniques.
- XuetangX
- Self-Paced
- Free Online Course
移动端应用开发


《移动端应用开发》分九个大章给介绍移动端Android系统的开发环境搭建，开发界面设计及四大组件入门、存储管理、异步控制和定位功能及地图的调用等知识。
- XuetangX
- Self-Paced
- Free Online Course
面向对象分析与设计


Master UML software modeling through object-oriented analysis and design. Learn to create use cases, class diagrams, sequence diagrams, and deployment diagrams for effective software development and system architecture.
- XuetangX
- Self-Paced
- Free Online Course
房地产开发与经营


Master real estate development fundamentals, from market analysis and feasibility studies to project implementation, marketing strategies, and regulatory compliance for professional property management and development.
- XuetangX
- Self-Paced
- Free Online Course

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