**Exhibit31.1**

 

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, or caused such disclosurecontrols and procedures to be designed under our supervision, to ensure thatmaterial information relating to the Registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;

 

b)[*paragraph omitted pursuant to SEC ReleaseNos. 33-8392 and 34-49313*];

 

c)evaluated the effectiveness of the Registrant’s disclosure controls andprocedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period coveredby this report based on such evaluation; and

 

d)disclosed in this report any change in the Registrant’s internal control overfinancial reporting that occurred during the Registrant’s most recent fiscalquarter that has materially affected, or is reasonably likely to materiallyaffect, the Registrant’s internal control over financial reporting; 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 weaknesses in the design or operationof internal control over financial reporting which are reasonably likely toadversely affect the Registrant’s ability to record, process, summarize andreport financial information; and

 

b)any fraud, whether or not material, that involves management or other employeeswho have a significant role in the Registrant’s internal control over financialreporting.

 
|   |                     | /s/ A.L.  Giannopoulos |
|--------|--------------------------|------------------------|
|   | A.L.  Giannopoulos       |
|   | Chairman,  President and |
|   | Chief Executive  Officer |
|   |                     |
| Date:  | May 10, 2005             |                   |   |
|        |                          |                        |  |  |

 

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