1 EXHIBIT 12 DELL COMPUTER CORPORATION Computation of Ratio of Earnings to Fixed Charges Fiscal Year Ended ----------------------------------------------------------------------------------- February 1, February 2, January 28, January 29, January 30, January 31, 1998 1997 1996 1995 1994 1993 ------------ ----------- ----------- ----------- ----------- ----------- (dollars in millions) Income (loss) before income taxes and extraordinary loss $1,368 $747 $383 $213 ($39) $143 Fixed Charges: Interest expense and amortization of debt discount and premium 3 8 17 15 14 11 Interest factor on rentals 12 11 7 7 6 5 ------------ ----------- ----------- ----------- ----------- ----------- Total Fixed Charges 15 19 24 22 20 16 Income (loss) before income taxes, extraordinary loss, and fixed charges $1,383 $766 $407 $235 ($19) $159 ------------ ----------- ----------- ----------- ----------- ----------- Ratio of Earnings to Fixed Charges(a) 93.1 41.0 16.7 10.9 (b) 10.1 ============ =========== =========== =========== =========== =========== (a) Ratios calculated based on underlying data in thousands (b) Earnings were inadequate to cover combined fixed charges by $19 million