Tetra accounts and custom personnel systems specialist Computer Answers Ltd has merged with Slough neighbour Personal Computer Centre Ltd, the former local Entre’ Computer Centre franchise, to form a UKP2m-a-year plus company under the Computer Answers banner; despite the name it is a genuine merger with both sides holding 50% of the new operation; Dennis Keeling of Computer Answers will be chairman and Ernie Cochrane of Personal Computer Centre will be managing director.