Sri Lanka Army was using a computer known as “SINCLAIR” at the beginning of 1980s. With popularization of technology at that era further step put forward to form a committee called "Computer Committee" in 1985. The earliest President was Brigadier GGTT Alapatha. Meanwhile Merchant Bank of Sri Lanka was assigned to study possibilities to computerize army administration work by the computer committee. The study report of Merchant Bank of Sri Lanka was shown that army was progressing in a slow phase with computer technology. After studying the report, army set policies to advance through Information technology.
Sri Lanka Army initiated a project called Automatic Data Processing service and inaugurated on 1st of June 1988 under the supervision of a Staff Officer, the first Staff Officer was Lt Col AS Warakagoda from SLSC. At the time Sri Lanka Army was equipped with 18 numbers of computers and mainly operators were from SLAWC & SLAGSC. Later Army had able to increase the 50 numbers of computers, 20 officers and 25 other ranks by the end of year 1989.
Sri Lanka Army identified the significance of technology for the administration, and then Automatic Data Processing service rose as Electronic Data Processing Unit (EDPU) on 23rd August 1990. This was another major step put forward to development and utilization of computer technology in Sri Lanka Army.
Decade 90 was flourished with technology in Sri Lanka. Networking technology was a major improvement in the field. Sri Lanka Army also acquired the same and interconnected main branches with providing internet facility.
LTTE organization was campaigning against Sri Lankan government by using same technologies and media, army determined to counter their action, as a result to that Sri Lanka Army launched a web site www.army.lk to show the world what is actually happening on the ground. Development of Information Technology and induction of new terminologies in to the field, the term coined as “Electronic Data Processing” was becoming obsolete, to keep the phase, Regiment name transformed as “Information Technology Unit” on 14 October 2003, at the time regiment comprised with 40 officers and 492 other ranks (94 volunteers). Information Technology Unit was relocated in Army Cantonment Panagoda by 2009. Later the “Information Technology Unit” renamed as “11th Regiment of the Sri Lanka Signal Corps” and made under command to RHQ SLSC on 24th September 2010.
During these periods following officers commanded the 11th Regiment Sri Lanka Signal Corps:
| Lieutenant Colonel AS Warakagoda | 23/08/1991 - 16/05/1993 |
| Colonel SJ Wickramasinghe | 16/05/1993 - 03/11/1997 |
| Lieutenant Colonel MKVS Jinadasa | 03/11/1997 - 15/11/2000 |
| Colonel RA Kaduwela | 05/12/2000 - 20/11/2001 |
| Lieutenant Colonel WPU Chandrasiri | 20/11/2001 - 20/06/2002 |
| Lieutenant Colonel WPAKP Abeysinghe | 20/06/2002 - 07/03/2006 |
| Lieutenant Colonel RD Ekanayake | 07/03/2006 - 06/05/2008 |
| Lieutenant Colonel DLSU De Silva | 06/05/2008 - 12/08/2010 |
| Lieutenant Colonel GNU Jayarathne | 12/08/2010 - 26/06/2013 |
| Lieutenant Colonel KC Prathapasinghe | 27/06/2013 - 05/02/2015 |
| Lieutenant Colonel SSP Pakshaweera | 06/02/2015 - 17/10/2016 |
| Lieutenant Colonel MTC De Silva psc | 17/10/2016 - 30/10/2018 |
| Lieutenant Colonel RC Wijekoon USP psc | 07/11/2018- 21/10/2020 |
| Lieutenant Colonel SD Kothalawala RSP | 22/10/2020 - 21/04/2022 |
| Lieutenant Colonel AMCK Gunathilake USP | 22/04/2022 - 27/09/2023 |
| Lieutenant Colonel KMPGETB Kekulandara | 27/09/2023 - Up to date |
