I have heard that bitcoin earlier could be miner by the computer CPU's but now its not possible.
I wanted to know is this possible with any other coin.
Yes but only for mining algorithms that are new or haven't been GPU/FPGA/ASIC hacked yet.
HOdlcoin for instance although with every CPU only coin these days CPU bots and free cloud computing trials are rampant.
https://bitcointalk.org/index.php?topic=1317918.0