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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
QUINLAN MARK D
   2. Issuer Name and Ticker or Trading Symbol
NCR CORP [NCR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President
(Last)
(First)
(Middle)
10332 BLACK BIRCH DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
03/09/2005
(Street)

DAYTON, OH 45458		 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
Common Stock 03/09/2005   M   6,666 A $ 9.675 12,661 D  
Common Stock 03/09/2005   M   3,334 A $ 20.595 15,995 D  
Common Stock 03/09/2005   S   8,000 D $ 38.3155 7,995 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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) $ 20.595 (1) 03/09/2005   M     3,334 (2)   (3) 01/24/2012 Common Stock 12,500 (2) $ 0 5,000 D  
Employee Stock Option (Right to Buy) $ 9.675 (4) 03/09/2005   M     6,666 (5)   (6) 02/03/2013 Common Stock 10,000 (5) $ 0 6,668 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
QUINLAN MARK D
10332 BLACK BIRCH DRIVE
DAYTON, OH 45458		       Vice President  

Signatures

 Nelson F. Greene, Attorney-in-fact for Mark D. Quinlan   03/11/2005
**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) Previously reported price was $41.19. On January 21, 2005, the common stock of NCR Corporation split 2-for-1, with the result that the previously reported price of $41.19 split to $20.595.
(2) Previously reported number of securities was 12,500. On November 19, 2004, 8,333 of these securities were exercised, with 4,167 remaining. On January 21, 2005, the common stock of NCR Corporation split 2-for-1, with the result that the reported number of securities of 4,167 increased to 8,334, 3,334 of which are being exercised.
(3) The option vested in 3 equal annual installments beginning 01/24/2003.
(4) Previously reported price was $19.35. On January 21, 2005, the common stock of NCR Corporation split 2-for-1, with the result that the previously reported price of $19.35 split to $9.675.
(5) Previously reported number of securities was 10,000. On February 4, 2004, 3,333 of these securities were exercised, with 6,667 remaining. On January 21, 2005, the common stock of NCR Corporation split 2-for-1, with the result that the reported number of securities of 6,667 increased to 13,334, 6,666 of which are being exercised.
(6) The option vests in 3 equal annual installments beginning on 02/03/2004.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.