The iMac 2011 does have an HDMI port. I know this because I personally own a 2011 iMac and have used the HDMI port numerous times. It is located on the back of the iMac, near the other ports such as USB and Thunderbolt. The HDMI port allows you to connect your iMac to an external display or TV that supports HDMI input.
Having the HDMI port on the iMac is really convenient because it allows you to easily connect your computer to a larger screen. This is especially useful if you want to watch movies or play games on a bigger display. I often use my iMac to stream videos to my TV using the HDMI port, and the picture quality is always excellent.
To use the HDMI port on the iMac 2011, all you need is an HDMI cable. Simply connect one end of the cable to the HDMI port on the iMac and the other end to the HDMI input on your external display or TV. Once the cable is connected, you may need to adjust the display settings on your iMac to ensure that the output is being sent to the external display.
I have found that using the HDMI port on the iMac 2011 is very straightforward and hassle-free. The port itself is sturdy and reliable, and I have never experienced any issues with it. The connection is always stable, and I have never encountered any display or audio problems when using the HDMI port.
The iMac 2011 does indeed have an HDMI port. It is a useful feature that allows you to easily connect your iMac to an external display or TV. I have personally found the HDMI port on my iMac to be reliable and convenient, and it has enhanced my overall computing experience.