Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KING MARK A
   2. Issuer Name and Ticker or Trading Symbol
AFFILIATED COMPUTER SERVICES INC [ACS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and COO
(Last)
(First)
(Middle)
2828 N. HASKELL AVENUE		 3. Date of Earliest Transaction (Month/Day/Year)
12/21/2004
(Street)

DALLAS, TX 75204		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock $0.01 par value 12/21/2004   M   2,000 A $ 11.5312 (1) 4,624 D  
Class A Common Stock $0.01 par value 12/21/2004   S   2,000 D $ 58.107 (2) 2,624 D  
Class A Common Stock $0.01 par value               75,000 I held by King Partners, Ltd. (3)
Class A Common Stock $0.01 par value               5,986 I ESP Plan
Class A Common Stock $0.01 par value               2,170 I 401k Plan
Class A Common Stock $0.01 par value               9,378 I held by Spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy) $ 51.9             07/30/2009 07/30/2014 Class A Common 75,000   851,000 D  
Employee Stock Option (Right to Buy) $ 44.1             08/11/2008 08/11/2013 Class A Common 100,000   776,000 D  
Employee Stock Option (Right to Buy) $ 35.75             07/23/2007 07/23/2012 Class A Common 200,000   676,000 D  
Employee Stock Option (Right to Buy) $ 29.525             03/21/2006 03/21/2011 Class A Common 200,000   476,000 D  
Employee Stock Option (Right to Buy) $ 16.4375             07/11/2005 07/11/2010 Class A Common 100,000   276,000 D  
Employee Stock Option (Right to Buy) $ 19.5             09/13/2004 09/13/2009 Class A Common 100,000   176,000 D  
Employee Stock Option (Right to Buy) $ 11.5312 (1) 12/21/2004   M     2,000 10/08/2003 10/08/2008 Class A Common 78,000 $ 58.107 (2) 76,000 (4) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KING MARK A
2828 N. HASKELL AVENUE
DALLAS, TX 75204		   X     President and COO  

Signatures

 Mark A. King   12/21/2004
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Exercise Price per share is $11.53125.
(2) This is the average sale price. Sale prices ranged from $57.90 per share to $58.32 per share.
(3) Held by King Partners, Ltd., of which the reporting person is the sole manager of the general partner.
(4) Grant of Employee Stock Option (Right to Buy) on October 8, 1998 for 100,000 shares of ACS Class A Common Stock $0.01 par value at an Exercise Price of $11.53125 per share exercisable on October 8, 2003 expiring on October 8, 2008. 24,000 shares have been exercised and 76,000 remain to be exercised. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 Sales Plan adopted by the reporting person on September 10, 2004.

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