1. 桌面：
桌面是一个物理计算机单元，由显示器、CPU、键盘和鼠标组成。它是软件操作系统上的图形用户工作空间。它专为在一个位置经常使用而设计。它需要主电源，因此不能携带。
2. 平板电脑：
平板电脑或平板电脑是一种通常使用移动操作系统运行的设备。它具有触摸屏显示器，并且内置有可充电电池。它基本上是一个薄而扁平的设备。它没有物理键盘。与笔记本电脑的电池寿命相比，平板电脑的电池续航时间更长。它重量轻，便于携带。
台式机和平板电脑的区别：
| DESKTOP | TABLET |
|---|---|
| It is a computer device that needs external devices to be fully functional. | It is a touch screen display computer device which generally operates on mobile operating systems. |
| It is large in size. | While it is small in size. |
| It has a physical key-board externally connected with it. | While it does not have the physical key-board, it has onscreen key-board. |
| It has a separate mouse connected with it. | While in tablet all the work is done with touch screen. |
| It is heavy-weighted in comparison of tablet. | While it is light-weighted comparatively. |
| It is not portable. | While it is easily portable. |
| It runs on main power supply. | While it runs on battery. |
| It has very powerful processor. | While it is operated with mobile operating system. |
| The repairing of desktops is easy work as compared to tablets. | While the repairing of tablets is little complex. |
| It has wide rage of screen size. | While the range of screen size in tablets is limited. |
| Components of desktop can be easily removed. | Components of tablets are not removable. |
| It does not have slot for sim-cards. | Some tablets may have slot for sim-cards. |
| It is more expensive than tablet. | While it is less expensive comparatively. |
| It has more features in comparison of tablet. | It has less features comparatively. |
| It may have CD or DVD player inbuilt in CPU. | While it does not have such functionality. |