Most companies and their chief executive officers are convinced of the need to computerise and upgrade their operations. But often the numerous choices in the market and the fancy technical jargon and gimmicks leave many a would-be 'computeriser' baffled at sea. They either postpone the task or buy the first system offered to them, both of which can be bad for the business. Here, Mr Michael Clarke our regular correspondent brings you a step-by-step guide on how your company should prepare for systems evaluation before even considering looking at systems.