Complex sentence: By the time the United Kingdom government was encouraging the use of computers in schools through the Microelectronics Education Programme the company's early and dominating presence in educational computing meant they were the natural choice as the founders and key partners in the project.
Split into simpler sentences: By the time the United Kingdom government was encouraging the use of computers in schools through the Microelectronics Education Programme. The company's early and dominating presence in educational computing meant they were the natural choice as the founders and key partners in the project.