Yes, generally speaking, it is feasible to connect an all-in-one computer to a television, albeit the precise manner of connection will rely on the ports and technological capabilities of both your computer and television.

Here are a few typical methods for connecting an all-in-one computer to a TV:

Check if both your PC and TV have compatible ports, such as HDMI, VGA, or DVI.
If both devices have HDMI ports, connect them using an HDMI cable. For other ports, use the appropriate cable (VGA or DVI) and any necessary adapters.
Adjust the display settings on your PC to match the TV's resolution for optimal viewing.
On the TV, switch the input source to the connected PC or the corresponding HDMI, VGA, or DVI input.
If necessary, configure the PC's display settings to extend or duplicate the screen onto the TV.
For the best viewing experience, adapt your PC's display settings to the TV's resolution before you connect All in one PC to the TV. Additionally, you may need to change the TV's input source to the linked PC or set up the PC so that its display is extended or duplicated on the TV.