The terrorist attacks on Sept. 11 have not slowed down mortgage lenders’ investments in technology, according to several technology vendors. If anything, the attacks and the continuing fear of bio/chemical terrorism might have accelerated such investments, they say. While the Mortgage Bankers Association of America reported that loan applications dropped 11 percent immediately after the attack, and the government’s newly released figures show new housing starts fell 6.9 percent for August, technology experts said the