**Exhibit 31.1**

 

CERTIFICATIONS

 

I,A.L. Giannopoulos, certify that:

 

1.                                       Ihave reviewed this Quarterly Report on Form 10-Q of MICROS Systems, Inc. (the “Registrant”);

 

2.                                       Basedon my knowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

 

3.                                       Basedon my knowledge, the financial statements, and other financial informationincluded in this Annual Report, fairly present in all material respects thefinancial condition, results of operations and cash flows of the Registrant asof, and for, the periods presented in this report.

 

4.                                       The Registrant’s other certifying officers and Iare responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15 and 15d-15(e)) [*clause omitted pursuant to SEC Release Nos. 33-8392and 34-49313*] for the Registrant and we have:

 

a) designed such disclosure controls and procedures, orcaused such disclosure controls and procedures to be designed under oursupervision, to ensure that material information relating to the Registrant,including its consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this report is beingprepared;

 

b) [*paragraph omittedpursuant to SEC Release Nos. 33-8392 and 34-49313*];

 

c) evaluated the effectiveness of the Registrant’sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and

 

d) disclosed in this report any change in the Registrant’sinternal control over financial reporting that occurred during the Registrant’smost recent fiscal quarter that has materially affected, or is reasonablylikely to materially affect, the Registrant’s internal control over financialreporting; and

 

5.                                       The Registrant’s other certifying officers and Ihave disclosed, based on our most recent evaluation of internal control overfinancial reporting, to the Registrant’s auditors and the audit committee ofRegistrant’s board of directors (or persons performing the equivalentfunction):

 

a) all significant deficiencies and material weaknessesin the design or operation of internal control over financial reporting whichare reasonably likely to adversely affect the Registrant’s ability to record,process, summarize and report financial information; and

 

b) any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the Registrant’sinternal control over financial reporting.

 
|   | /s/ A.L. Giannopoulos       |
|--------|-----------------------------|
|   | A.L. Giannopoulos           |
|   | Chairman, President and     |
|   | Chief Executive Officer     |
|   |                        |
| Date:  |  February 9, 2005 |   |   |
|        |                             |  |  |  |

 

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