Jan 17 (Reuters) - Technology services provider Computacenter Plc said revenue for the full year rose 2 percent, backed by a strong performance in Germany and the United Kingdom, the company's biggest markets. Computacenter, which provides IT infrastructure services and also advises customers on IT strategy, said full-year results were expected to be marginally ahead of its expectations. The company, which serves customers in more than 100 countries, said revenue from Germany rose 4 percent on a constant currency basis.