1. 视窗：
Windows 是一组由 Microsoft Incorporation 提供的各种专有图形操作系统。它也被称为Microsoft Windows 。它目前包括 Windows NT 和 Windows IoT 作为其家族成员。早些时候，它包括不再使用的 Windows 9x、Windows Mobile 和 Windows Phone。它是个人计算机中最常用的操作系统。 Windows 的第一个版本是由微软于 1985 年推出的。用于个人计算机的 Windows 的最新版本是 Windows 10。
2.安卓：
Android 是由谷歌提供的移动操作系统。它基于Linux内核和其他开源软件的修改版本。它专为智能手机和平板电脑等触摸屏移动设备而设计。它是使用 C、 Java、C++ 和其他语言开发的。 Android 的第一个版本于 2008 年由 Google 推出，最新的稳定版 Android 是 Android 10，完全免费提供。它是总体上使用最广泛的操作系统。
Windows 和安卓的区别：
| WINDOWS | ANDROID |
|---|---|
| It was developed and is owned by Microsoft Incorporation. | It was developed and is owned by Google LLC. |
| It was launched in 1985. | It was launched in 2008. |
| It is designed for PC of all companies. | It is specifically designed for mobile devices. |
| Current stable version is Windows 10. | Current stable version is Android 10. |
| Kernel type is Hybrid with modules here. | Kernel type is Linux-based. |
| Preferred license is Proprietary and Source-available. | Preferred license is Apache 2.0 and GNU GPLv2. |
| It charges for the original version. | It is free of cost as it is inbuilt is smartphones. |
| It is the most used operating system in personal computers. | It is the most used operating system overall. |
| It is for workstation, personal computers, media center, tablets and embedded systems. | Its target system type is smartphones and tablet computers. |