Ajax Is A Set Of Web Development Techniques That Uses Various Web Technologies On The Client-side To Create Asynchronous Web Applications.
Android Is A Mobile Operating System Based On A Modified Version Of The Linux Kernel And Other Open-source Software, Designed Primarily For Touchscreen Mobile Devices Such As Smartphones And Tablets.
Asp.net Is A Free Web Framework For Building Great Websites And Web Applications Using Html, Css, And Javascript. You Can Also Create Web Apis And Use Real-time Technologies Like Web Sockets. Asp.net Core Is An Alternative To Asp.net.
Php Is Strong Tool For Create Dynamic And Interactive Web Pages. Php Is The Widely-used, Free, And Efficient For Rich Applications/website Development.