Information and communication technologies have become essential for everyday activities. Recently, ubiquitous or mobile computing is the new trend whereby information and services can be accessed anywhere and anytime. However, not all groups of society are taking advantage of its benefits, of which the older population is one of such groups. This study aims to identify and evaluate the factors that influence the adoption, use and diffusion of tablet devices within the older population (aged 50 and above) in UK. From an online survey of 203 completed responses, Compatibility, Perceived Usefulness, Perceived ease of use, Trust, Attitude and Perceived behavioral control were identified as factors that affect the adoption and use of tablet devices. This study also provides the implications of the research to academia, industry and policy makers.