HERE'S an excerpt from the Infotech article.
DRE uses a touch-screen or touch-pad technology for voting, while OMR requires voters to fill up a paper-based ballot which is fed to a specially designed machine, similar to a scanner. The Comelec en banc, however, has decided to use the DRE technology for the whole province of Maguindanao, which was contrary to the advisory council's recommendation which limited the use of DRE in two cities or municipalities. The advisory council has recommended the DRE technology in two cities or municipalities. Jimenez said the Comelec en banc decided to use the DRE for the whole province of Maguindanao to test the technology in time for the 2010 elections. The ARMM automated polls is a test pilot leading to the 2010 presidential elections, the Comelec spokesperson said.
