8 free best websites for IT and CSE engineering students for short notes, data structure

Hello, friends today I am going to tell you which website you have must follow for a short note of engineering subjects, PROGRAMMING language for the web, data structure and algorithm. 

1.Tutorialspoint

This is the best website for all CSE and IT students. You can find here subject shorts notes, a wide variety of different type of programming language, quiz, interview question and much more. This website has also an android app. Which is better than mobile web.

2.Geekforgeeks

This website has the most variety of  a collection of data structure programming in java, C, C++. Besides this networking, OS, the best collection of fact about Java, C, C++. This website also holds quizzes and their question are very tough with the best explanation. Interview experience from the top company. There is also an android app with the good interface.
[Update] Recently GeekForgeeks has introduced Campus placement aptitude preparation tricks and tips and Quiz with large good questions collections.

[update:06/05/2018] GeekForGeeks has launched an Android App also which has nice UI and complete website in this App. Do check. you will love it.

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3.Sanfoundry

This website is a nice collection of C programming language code along with Java and C++. It also provides CS/IT syllabus MCQs, C tutorials, PHP, Java, Javascript and other languages MCQs(Multi choice questions)

4.W3schools

This website is well known for its web-based programming learning site. It comprises all server-side programming language like PHP, SQL, MySQL client-side HTML, JavaScript, CSS, and addition language like XML etc.

This website will give you a platform to write code and execute and learn from your mistakes.

5.M4maths

It is also a very nice website collection of different companies technical, aptitude and verbal questions with easy navigation. You can participant their puzzle and can win prize.

M4maths android application is available. Here you can appear in quiz and also can solve different companies requirements questions.

6.Howstuffwork

If you want to know something how works then it is the best website. Along this, new technology news you can obtain. android app is also available.

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7.Stackoverflow

This website is for coding related problem. The huge community of this site can help you any type of coding problem.

8.NPTEL

It is run by HRD ministry of India along with 7 IITs and some NIT. Here you can get complete lecture of any engineering subject.

All these websites are for the basic level. Want to go high level here you can-

Best website or online free resource for CS/IT engineering student.

[Update:06/05/2018]
You can check below link. Complete list of topics for CS/IT engineering student with details of each topics.

Computer Science Education Resource Guide

If you have some other site which is helpful for CS/IT student. Then must comment.