If electoral register is created by the EMB, what type of technology used for collecting registration data?

The European union Elections Observation Report for 2011 clearly states that there was no technology used in voter registration during the 2011 referendum. Page 25 of the report reads as follows:

“Shortly after their appointment in summer 2010, the SSRC decided that in order to meet the CPA‐mandated 9th January, 2011, deadline for the referendum, there would be no centralized voter register for the Referendum, electronic or otherwise, kept at any level above the individual Referendum Centre. Voters’ details would be hand‐written in Registration Books, and a Registration Card, with a serial number corresponding to the entry in the Registration Book, would be given to voters. No photo of the applicant would be taken. The choice of this methodology, as opposed to using Optical Mark Recognition

forms or digital registration kits to build an electronic voter database (the most common registration methodologies in Africa), saved many weeks in the Referendum timeline, and although the methodology prevented a crosschecking for duplicate entries that centralized electronic voter registration