Exhibit 12.1

COMPUTERSCIENCESCORPORATION
CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCEDIVIDENDS
(unaudited)

	Three Months
	Ended			Twelve Months Ended
(Amounts in thousands, except ratios)	June 29, 2012			March 30, 2012				April 1, 2011			April 2, 2010			April 3, 2009			March 28, 2008
Earnings:
Pre-tax income (loss) from continuing operations
before adjustment for income or loss from equity investees	$	71,484		$	(4,356,010	)		$	957,218		$	1,007,688		$	912,190		$	878,361
Fixed charges		73,581			285,411				278,368			311,223			364,812			292,334
Distributed income from equity investees		2,791			6,963				11,878			14,039			12,066			11,319
Less: Preference security dividend requirements
of consolidated subsidiaries		(122	)		(478	)			(474	)		(509	)		(897	)		(1,279	)
Earnings as adjusted	$	147,734		$	(4,064,114	)		$	1,246,990		$	1,332,441		$	1,288,171		$	1,180,735
Fixed charges:
Interest expense (a)	$	44,973		$	175,744			$	168,035		$	212,556		$	260,479		$	185,334
Portion of rental expense representative of the
interest factor (b)		28,608			109,667				110,333			98,667			104,333			107,000
Fixed charges	$	73,581		$	285,411			$	278,368		$	311,223		$	364,812		$	292,334
Combined fixed charges and preference dividends:
Interest expense (a)	$	44,973		$	175,744			$	168,035		$	212,556		$	260,479		$	185,334
Portion of rental expense representative of the
interest factor (b)		28,608			109,667				110,333			98,667			104,333			107,000
Preference security dividend requirements of
consolidated subsidiaries		122			478				474			509			897			1,279
Combined fixed charges and preference dividends	$	73,703		$	285,889			$	278,842		$	311,732		$	365,709		$	293,613
Ratios:
Ratio of earnings to fixed charges	2.0			-			(c)	4.5			4.3			3.5			4.0
Ratio of earnings to combined fixed charges and
preference dividends	2.0			-			(d)	4.5			4.3			3.5			4.0

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(a)	Interest expense includes amortization of debt discount and deferred loan costs.
(b)	One-third of the rent expense is the portion of rental expense deemed representative of the interest factor.
(c)	Earnings were insufficient to cover fixed charges during fiscal 2012 by $4,349,525.
(d)	Earnings were insufficient to cover combined fixed charges and preference dividends during fiscal 2012 by $4,350,003.