Exhibit 24
			POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes
and appoints each of William L. Deckelman, Jr., Mary Louise Turilli
and Clarence A. Franklin, signing singly, the undersigned's true
and lawful attorney-in-fact to:

	(1) prepare, execute in the undersigned's name and on the
undersigned's behalf, and submit to the U.S. Securities and
Exchange Commission (the "SEC") a Form ID, including amendments
thereto, and any other documents necessary or appropriate to obtain
codes and passwords enabling the undersigned to make electronic
filings with the SEC of reports required by Section 16(a) of the
Securities Exchange Act of 1934 or any rule or regulation of the
SEC;

	(2) execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of Computer
Sciences Corporation (the "Company"), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of
1934 and the rules there under, and any other forms or reports
the undersigned may be required to file in connection with the
undersigned's ownership, acquisition, or disposition of
securities of the Company;

	(3) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete
and execute any such Form 3, 4, or 5, or other form or report,
and timely file such form or report with the United States
Securities and Exchange Commission and any stock exchange or
similar authority; and

	(4) take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or legally
required by, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such
form and shall contain such terms and conditions as such
attorney-in fact may approve in such attorney-in-fact's
discretion.

The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act
and thing whatsoever requisite, necessary, or proper to be done
in the exercise of any of the rights and powers herein granted,
as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue
of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

This Power of attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4,
and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 14 day of May 2010.


				/s/ James W. Sheaffer