Business Week October 22, 1979, Industrial Edition SECTION: INFORMATION PROCESSING; Briefs; Pg. 128J LENGTH: 160 words Now that the Federal Communications Commission has waived its strict rules on testing home computers while it considers even tighter regulations, there will be new low prices on some models. The waiver on the testing, which was required to ensure noninterference with radio or TV broadcasting, was requested by Texas Instruments Inc., which had to introduce its 99/4 model last June with its own TV monitor to get around the problem. Industry observers expect TI to drop the costly display in time for the Christmas selling season, which could enable the Dallas company to shave the computer's $1,150 price tag by $200 to $400. Another company rolling out a home computer without a monitor will by Tandy Corp. A senior executive says that its Radio Shack stores will begin selling this model for less than $500 in the second half of 1980. In both cases, the computer would use the home TV set for the display.