For direct connections:
- Older computer will have a VGA output and SOME tv’s have VGA input
- Newer computers have HDMI output which will match the HDMI of most flat screen tv’s less then 4 years old
For wireless:
Google Chromecast works fairly well, with a few cavets:
http://www.google.com/chrome/devices/chromecast/
- You need to have a the chomecast and computer on the same wifi subnet
- Your computer needs to be fairly recent and fast – chromecast software needs fast response
- Chromecast sw does not actually broadcast the whole screen, it requires enabled aps – a browser or youtube are the best for computers, the browser has a full-screen mode.
- Google has more aps are so enabled for both IOS and Android devices
Other gadgets I have no experience with: (please send me comments)
- Western digital media player: http://www.wdc.com/en/products/products.aspx?id=1270
- Roku streaming stick: https://www.roku.com/products/compare
- Smart TV: some of the newer smart TV (like Samsung) are already Wifi enabled and you can directly connect to them
If all those match, it’s a easy $35 device