Is it possible to connect a Android phone display to a TV or PC Monitor? Is it possible to make the display on a Android phone to a TV or a PC Monitor? 

What are the methods that I can connect the Android phone to a TV (e.g. plasma TV) or a PC Monitor and then modify some configuration in the phone so that the display will be shown in the TV or the PC Monitor screen?
Yes, you can connect an android phone to a TV or a computer monitor. At least if you have a new enough TV or monitor, and not a ten year old TV like I do. :-)
My android phone came with a HDMI cable to use when connecting phone to TV. I have connected it many times to my computer however, using a mini USB cable. But I would be able to use the HDMI as well, depending on what I want to do.

I am for sure no expert, but I have a Sony Ericsson experia arc S and I have used it for over a year. I hope that this answer is good enough to offer some help.

For newer phone, you may wish to use the following:

Micro USB to HDMI® MHL Adapter


Reference link: http://www.monoprice.com/products/product.asp?c_id=108&amp;cp_id=10833&amp;cs_id=1083314&amp;p_id=8675&amp;seq=1&amp;format=2

Video link: http://www.youtube.com/watch?feature=player_embedded&amp;v=P5tJl_a_wcc

In the reference link, it include information such as Compatible Mobile Devices (which you can retrieve from this link - http://www.mhlconsortium.org/WorkArea/DownloadAsset.aspx?id=5055)