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      <ThirtyThreePercntTestsCY170>X</ThirtyThreePercntTestsCY170>
      <GeneralExplanation>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME: CAFE SALES SPECIAL EVENT REVENUE OTHER REVENUE</GeneralExplanation>
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    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
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        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CollectUsedForPublicExhibition>X</CollectUsedForPublicExhibition>
      <CollectUsedForScholarResearch>X</CollectUsedForScholarResearch>
      <CollectUsedForPreservation>X</CollectUsedForPreservation>
      <SolicitedAssetsForSale>0</SolicitedAssetsForSale>
      <CurrentYear>
        <BeginningOfYearBalance>25355707</BeginningOfYearBalance>
        <InvestmentEarningsOrLosses>5561000</InvestmentEarningsOrLosses>
        <GrantsOrScholarships>1160000</GrantsOrScholarships>
        <EndOfYearBalance>29756707</EndOfYearBalance>
      </CurrentYear>
      <CurrentYearMinus1Year>
        <BeginningOfYearBalance>27832692</BeginningOfYearBalance>
        <Contributions>200015</Contributions>
        <InvestmentEarningsOrLosses>2320706</InvestmentEarningsOrLosses>
        <GrantsOrScholarships>5000000</GrantsOrScholarships>
        <EndOfYearBalance>25353413</EndOfYearBalance>
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      <CurrentYearMinus2Years>
        <BeginningOfYearBalance>35722627</BeginningOfYearBalance>
        <Contributions>215256</Contributions>
        <InvestmentEarningsOrLosses>-6797428</InvestmentEarningsOrLosses>
        <GrantsOrScholarships>1295297</GrantsOrScholarships>
        <OtherExpenditures>12466</OtherExpenditures>
        <EndOfYearBalance>27832692</EndOfYearBalance>
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      <BoardDesignatedEOYBalance>0.46490</BoardDesignatedEOYBalance>
      <PermanentEndowmentEOYBalance>0.47060</PermanentEndowmentEOYBalance>
      <TermEndowmentEOYBalance>0.06450</TermEndowmentEOYBalance>
      <EndowmentsHeldByUnrelatedOrgs>1</EndowmentsHeldByUnrelatedOrgs>
      <EndowmentsHeldByRelatedOrgs>0</EndowmentsHeldByRelatedOrgs>
      <Land>
        <OtherCostOrOtherBasis>12663406</OtherCostOrOtherBasis>
        <BookValue>12663406</BookValue>
      </Land>
      <Buildings>
        <OtherCostOrOtherBasis>25026683</OtherCostOrOtherBasis>
        <Depreciation>6491725</Depreciation>
        <BookValue>18534958</BookValue>
      </Buildings>
      <Equipment>
        <OtherCostOrOtherBasis>381047</OtherCostOrOtherBasis>
        <Depreciation>227882</Depreciation>
        <BookValue>153165</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <OtherCostOrOtherBasis>11430670</OtherCostOrOtherBasis>
        <Depreciation>1133553</Depreciation>
        <BookValue>10297117</BookValue>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>41648646</TotalOfBookValueLandBuildings>
      <OtherSecurities>
        <Description>FOREIGN CURRENCY FUNDS</Description>
        <BookValue>4095413</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>EXCHANGE TRADED GOLD FUND</Description>
        <BookValue>2467417</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>PRIVATE EQUITY FUNDS</Description>
        <BookValue>4875643</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>HEDGE FUNDS</Description>
        <BookValue>2255685</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>VENTURE CAPITAL FUNDS</Description>
        <BookValue>32830</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <TotalOfBookValueSecurities>13726988</TotalOfBookValueSecurities>
      <TotalRevenue>10183681</TotalRevenue>
      <TotalExpenses>8858607</TotalExpenses>
      <ExcessOrDeficitForYear>1325074</ExcessOrDeficitForYear>
      <NetUnrealizedGLOnInvestments>5065375</NetUnrealizedGLOnInvestments>
      <TotalAdjustments>5065375</TotalAdjustments>
      <ExcessOrDeficitPerFS>6390449</ExcessOrDeficitPerFS>
      <TotRevenueEtcAuditedFinclStmt>15119477</TotRevenueEtcAuditedFinclStmt>
      <NetUnrealizedGainsInvestments>5065375</NetUnrealizedGainsInvestments>
      <DonatedSrvcAndUseOfFacilities>38866</DonatedSrvcAndUseOfFacilities>
      <OtherRevenues>103824</OtherRevenues>
      <RevenueNotRptdF990>5208065</RevenueNotRptdF990>
      <RevenueSubtotal>9911412</RevenueSubtotal>
      <OtherRevenuesNotIncluded>272269</OtherRevenuesNotIncluded>
      <RevenueNotRptdOnFinStmt>272269</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>10183681</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>8729028</TotExpensesEtcAuditedFinclStmt>
      <DonatedServicesUseOfFacilities>38866</DonatedServicesUseOfFacilities>
      <OtherExpensesIncluded>103824</OtherExpensesIncluded>
      <ExpensesNotRptdF990>142690</ExpensesNotRptdF990>
      <ExpensesSubtotal>8586338</ExpensesSubtotal>
      <OtherExpensesNotIncluded>272269</OtherExpensesNotIncluded>
      <ExpensesNotRptdOnFinStmt>272269</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>8858607</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIV>
        <ReturnReference>PART III, LINE 4:</ReturnReference>
        <Explanation>THE COMPUTER HISTORY MUSEUM IS THE WORLD'S LEADING INSTITUTION EXPLORING THE HISTORY OF COMPUTING AND ITS ONGOING IMPACT ON SOCIETY. IT IS HOME TO THE LARGEST INTERNATIONAL COLLECTION OF COMPUTING ARTIFACTS IN THE WORLD, ENCOMPASSING COMPUTER HARDWARE, SOFTWARE, DOCUMENTATION, EPHEMERA, PHOTOGRAPHS AND MOVING IMAGES. THE MUSEUM'S COLLECTIONS AND RESEARCH ACTIVITIES INCLUDE A PHYSICAL COLLECTION WITH MORE THAN 5,000 LINEAR FEET OF DOCUMENTATION RELATED TO THE HISTORY OF COMPUTING, 35,000 ARTIFACTS, 3,000 MOVING IMAGES, 10,000 SOFTWARE TITLES, AND 20,000 PHOTOGRAPHS, ALL OF WHICH IS BEING INDEXED AND MADE FULLY AVAILABLE ON WWW.COMPUTERHISTORY.ORG ENCOMPASSING OVER 70,000 CATALOG RECORDS. IN 2011 JUST UNDER A HALF MILLION INDIVIDUALS VIEWED THE ONLINE CATALOG.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF INTENDED USE OF ENDOWMENT FUNDS:</Identifier>
        <ReturnReference>PART V, LINE 4:</ReturnReference>
        <Explanation>THE MUSEUM'S ENDOWMENT CONSISTS OF FOUR INDIVIDUAL FUNDS ESTABLISHED TO SUPPORT THE OPERATIONS OF THE MUSEUM. THE ENDOWMENT INCLUDES BOTH DONOR-RESTRICTED ENDOWMENT FUNDS AND FUNDS DESIGNATED BY THE BOARD OF TRUSTEES TO FUNCTION AS ENDOWMENTS. AS REQUIRED BY U.S. GAAP, NET ASSETS ASSOCIATED WITH ENDOWMENT FUNDS, INCLUDING FUNDS DESIGNATED BY THE BOARD OF TRUSTEES TO FUNCTION AS ENDOWMENTS, ARE CLASSIFIED AND REPORTED BASED ON THE EXISTENCE OR ABSENCE OF DONOR-IMPOSED RESTRICTIONS.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X:</ReturnReference>
        <Explanation>THE MUSEUM IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND IS NOT SUBJECT TO FEDERAL OR STATE TAXES ON INCOME EXCEPT TO THE EXTENT OF UNRELATED BUSINESS TAXABLE INCOME AS DEFINED UNDER IRC SECTIONS 511 THROUGH 515. THE MUSEUM HAD NO UNRECOGNIZED TAX BENEFITS AT JUNE 30, 2011 OR 2010. THE MUSEUM FILES FEDERAL AND CALIFORNIA EXEMPT ORGANIZATION RETURNS. THE MUSEUM IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY TAXING AUTHORITIES FOR YEARS BEFORE 2007 FOR ITS FEDERAL AND 2006 FOR ITS STATE TAX FILINGS.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>COST OF GOODS SOLD 42,528. RENTAL EXPENSE 61,296.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XII, LINE 4B - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>LOSS ON UNCOLLECTIBLE PROMISES TO GIVE 272,269.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XIII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>COST OF GOODS SOLD 42,528. RENTAL EXPENSE 61,296.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XIII, LINE 4B - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>LOSS ON UNCOLLECTIBLE PROMISES TO GIVE 272,269.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
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        <Region>CENTRAL AMERICA AND THE CARIBBEAN</Region>
        <NumberOfOffices>0</NumberOfOffices>
        <NumberOfEmployees>0</NumberOfEmployees>
        <TypeOfActivitiesConducted>INVESTMENTS</TypeOfActivitiesConducted>
        <TotalExpenditures>4121032</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <SubtotalNumberOfOffices>0</SubtotalNumberOfOffices>
      <SubtotalNumberOfEmployees>0</SubtotalNumberOfEmployees>
      <ContNumberOfOffices>0</ContNumberOfOffices>
      <ContNumberOfEmployees>0</ContNumberOfEmployees>
      <TotalNumberOfOffices>0</TotalNumberOfOffices>
      <TotalNumberOfEmployees>0</TotalNumberOfEmployees>
      <SubtotalAmountSpent>4121032</SubtotalAmountSpent>
      <ContAmountSpent>0</ContAmountSpent>
      <TotalAmountSpent>4121032</TotalAmountSpent>
      <TransferToForeignCorp>0</TransferToForeignCorp>
      <InterestInForeignTrust>0</InterestInForeignTrust>
      <OwnForeignCorp>1</OwnForeignCorp>
      <PassiveForeignInvestCo>0</PassiveForeignInvestCo>
      <ForeignPartnership>0</ForeignPartnership>
      <BoycottCountries>0</BoycottCountries>
    </IRS990ScheduleF>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommittee>X</CompensationCommittee>
      <IndependentConsultant>X</IndependentConsultant>
      <Form990OfOtherOrganizations>X</Form990OfOtherOrganizations>
      <WrittenEmploymentContract>X</WrittenEmploymentContract>
      <CompensationSurvey>X</CompensationSurvey>
      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
      <SeverancePayment>0</SeverancePayment>
      <SupplementalNonqualRetirePlan>0</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>0</EquityBasedCompArrangement>
      <CompBasedOnRevenueOfFilingOrg>0</CompBasedOnRevenueOfFilingOrg>
      <CompBasedOnRevenueRelatedOrgs>0</CompBasedOnRevenueRelatedOrgs>
      <CompBasedNetEarningsFilingOrg>0</CompBasedNetEarningsFilingOrg>
      <CompBasedNetEarningsRelateOrgs>0</CompBasedNetEarningsRelateOrgs>
      <AnyNonFixedPayments>1</AnyNonFixedPayments>
      <InitialContractException>0</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>JOHN HOLLAR</NamePerson>
        <BaseCompensationFilingOrg>248893</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>54375</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>47800</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>14719</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>365787</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
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      <Form990ScheduleJPartIII>
        <ReturnReference>PART I, LINE 7</ReturnReference>
        <Explanation>BONUSES ARE DETERMINED BY THE CEO AND COMPENSATION COMMITTEE BASED ON PERFORMANCE AND ACHIEVEMENT OF GOALS.</Explanation>
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        <IssuerEIN>943130123</IssuerEIN>
        <CUSIPNumber>00037CQT0</CUSIPNumber>
        <DateIssued>2010-12-22</DateIssued>
        <IssuePrice>7000000</IssuePrice>
        <DescriptionOfPurpose>REFUND PRIOR BOND ISSUE</DescriptionOfPurpose>
        <Defeased>0</Defeased>
        <OnBehalfOfIssuer>0</OnBehalfOfIssuer>
        <PoolFinancing>0</PoolFinancing>
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        <AdequateBooksAndRecdsMaintaind>1</AdequateBooksAndRecdsMaintaind>
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        <GrossProceedsInvested>0</GrossProceedsInvested>
        <ExceptionToRebate>0</ExceptionToRebate>
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    </IRS990ScheduleK>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>4</NumberOfContributions>
        <NoncashContribsRptdF990>517533</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <HistoricalArtifacts>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>230</NumberOfContributions>
        <NoncashContribsRptdF990>0</NoncashContribsRptdF990>
      </HistoricalArtifacts>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>DIGITAL SIGNAGE SYSTEM</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>103446</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>EQUIPMENT</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>31854</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>1</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
      <Form990ScheduleMPartII>
        <Identifier>NON REPORTING OF REVENUE:</Identifier>
        <ReturnReference>PART I, LINE 33:</ReturnReference>
        <Explanation>COLLECTIONS ACQUIRED THROUGH DONATION ARE NOT RECOGNIZED AS ASSETS OR REVENUE ON THE ORGANIZATION'S FINANCIALS. HISTORICAL ARTIFACTS RECEIVED DO NOT HAVE A READILY MARKETABLE VALUE.</Explanation>
      </Form990ScheduleMPartII>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>PROGRAM SERVICE ACCOMPLISHMENTS:</Identifier>
        <ReturnReference>FORM 990, PART III, LINE 4A:</ReturnReference>
        <Explanation>A. COLLECTIONS - THE MUSEUM'S COLLECTIONS AND RESEARCH ACTIVITIES INCLUDE: - A PHYSICAL COLLECTION THAT INCLUDES MORE THAN 5,000 LINEAR FEET OF DOCUMENTATION RELATED TO THE HISTORY OF COMPUTING, 35,000 ARTIFACTS, 3,000 MOVING IMAGES, 10,000 SOFTWARE TITLES, AND 20,000 PHOTOGRAPHS, ALL OF WHICH IS BEING INDEXED AND MADE FULLY AVAILABLE ON WWW.COMPUTERHISTORY.ORG ENCOMPASSING OVER 70,000 CATALOG RECORDS. IN 2011 THERE WERE JUST UNDER A HALF MILLION VISITS TO THE ONLINE CATALOG. - THE MUSEUM'S COLLECTION CONTINUES TO GROW ANNUALLY AND IN 2011, THE MUSEUM ACCEPTED NEW HISTORIC COLLECTIONS FROM OVER 230 INDIVIDUALS AND ORGANIZATIONS. 167 OF THE ARTIFACTS COLLECTED IN 2010 AND 2011 WERE IN SUPPORT OF CHM'S NEW PERMANENT EXHIBITION, REVOLUTION: THE FIRST 2000 YEARS OF COMPUTING. INTERESTING ITEMS INCLUDE EARLY SMART PHONES SUCH AS THE I-MODE PHONE FROM JAPAN AND A LEXISNEXIS UBIQ TERMINAL. THE MUSEUM GENERATED 22 INCOMING LOANS FOR USE IN REVOLUTION. - RESTORATIONS AND SIMULATIONS MAKING COMPUTERS AND APPLICATIONS COME ALIVE, INCLUDING FULLY WORKING MODELS OF THE IBM 1620, THE PDP-1, AN IBM 1401, IBM RAMAC DISK DRIVE, THE BABBAGE ENGINE AND THE NORDSIECK DIFFERENTIAL ANALYZER. - MORE THAN 500 VIDEOTAPED AND TRANSCRIBED ORAL HISTORIES THAT CAPTURE THE STORIES OF PIONEERS AND PARTICIPANTS IN THEIR OWN WORDS. OVER 100 COLLECTED IN 2011. - CONTENT CREATION, INCLUDING AN ANNUAL IN-HOUSE MAGAZINE ("CORE"), ANNUAL COMPUTER-ORIENTED PUBLICATIONS SUCH AS BOOKS AND PAMPHLETS FOCUSING ON PARTICULAR ASPECTS OF HISTORY, ONLINE EXHIBITS, AND DIGITAL DELIVERY OF ALL MUSEUM EVENTS ON OUR YOUTUBE CHANNEL (WWW.YOUTUBE.COM/COMPUTERHISTORY). - HISTORICAL RESEARCH, BOTH INDEPENDENTLY AND JOINTLY CONDUCTED WITH UNIVERSITIES AND CORPORATIONS AND BY SCHOLARS-IN-RESIDENCE. THE OUTPUT OF THIS RESEARCH INCLUDES CONTRIBUTIONS TO SCHOLARLY JOURNALS, SUCH AS THE IEEE ANNALS OF THE HISTORY OF COMPUTING. THE MUSEUM RESPONDED TO OVER 500 OUTSIDE REQUESTS FOR INFORMATION CONTAINED IN OUR COLLECTION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>PROGRAM SERVICE ACCOMPLISHMENTS:</Identifier>
        <ReturnReference>FORM 990, PART III, LINE 4B</ReturnReference>
        <Explanation>B. EXHIBITIONS IN 2011, THE MUSEUM OPENED A NEW, MAJOR 25,000 SQUARE FOOT EXHIBITION REVOLUTION: THE FIRST 2000 YEARS OF COMPUTING. THE EXHIBITION TELLS THE STORY OF COMPUTING FROM THE ABACUS TO THE INTERNET AND BEYOND. IN THE EXHIBIT, VISITORS HEAR THE STORIES OF COMPUTER PIONEERS, SEE THE COMPUTERS THEY INVENTED AND DISCOVER THE IMPACT THAT COMPUTERS HAVE HAD ON ALL OF OUR LIVES. INTERPRETIVE EXHIBITS IN THE PHYSICAL MUSEUM INCLUDE: - REVOLUTION: THE FIRST 2000 YEARS OF COMPUTING EVERYONE USES COMPUTERS. FEW KNOW THE STORY OF HOW THEY CAME TO BE. REVOLUTION CHRONICLES THE EVOLUTION AND IMPACT OF MODERN COMPUTING FROM THE ABACUS TO THE SMART PHONE. THIS 25,000 SQ. FT MULTIMEDIA EXPERIENCE IS A TECHNOLOGICAL WONDERLAND THAT IMMERSES VISITORS IN THE SIGHTS, SOUNDS, AND STORIES OF THE COMPUTER REVOLUTION. REVOLUTION IS DESIGNED WITH 19 GALLERIES, EACH WITH AN ICON ARTIFACT THAT REFLECTS THE THEME OF THE GALLERY. - BABBAGE DIFFERENCE ENGINE NO. 2: THE STORY OF THE FIRST COMPUTER PIONEER CHARLES BABBAGE (1791-1871) DESIGNED THE FIRST MODERN PROGRAMMABLE COMPUTER - COMPLETE WITH A PRINTER - BUT HE FAILED TO BUILD IT. ENGINEERS AT THE LONDON SCIENCE MUSEUM FINALLY BUILT THE FIRST WORKING BABBAGE ENGINE IN 2002. THE BABBAGE DIFFERENCE ENGINE NO. 2 ON DISPLAY AT THE MUSEUM HAS 8,000 PARTS, WEIGHS FIVE TONS AND MEASURES 11 FEET IN LENGTH. - MASTERING THE GAME: A HISTORY OF COMPUTER CHESS THE HISTORY OF COMPUTER CHESS IS A FIVE-DECADE LONG QUEST, BEGINNING IN THE EARLIEST DAYS OF COMPUTING AND REFLECTING THE ONGOING ADVANCES IN HARDWARE AND SOFTWARE. CHESS PRESENTED THE PERFECT COMPUTING CHALLENGE: A SIMPLE SET OF RULES ENABLING GAMES OF STUPEFYING COMPLEXITY. - PDP-1: THE MOUSE THAT ROARED DIGITAL EQUIPMENT CORPORATION'S (DEC) PDP-1 WAS THE FIRST COMMERCIAL COMPUTER DESIGNED TO INTERACT WITH A SINGLE USER. THE MUSEUM'S RESTORATION TEAM BROUGHT THE PDP-1 BACK TO WORKING CONDITION. THEY RETRIEVED DATA FROM ITS MAIN MEMORY, RESTORED ALL THE PERIPHERALS AND LOADED THE MACHINE WITH VINTAGE GAMES, INCLUDING SPACEWAR! THE MUSEUM ALSO FEATURES A SIGNIFICANT ONLINE PRESENCE: THE COMPUTER HISTORY MUSEUM OFFERS A RICH MULTIMEDIA EXPERIENCE TO MORE THAN 1.5 MILLION VISITORS ANNUALLY THROUGH ITS WEBSITE AT WWW.COMPUTERHISTORY.ORG. THE WEBSITE FEATURES A WIDE VARIETY OF CONTENT RELATED TO THE HISTORY OF COMPUTING, THE IMPACT OF COMPUTING ON SOCIETY AND THE FUTURE OF INNOVATION. ONLINE EXHIBITS SUCH AS "REVOLUTION," "VISIBLE STORAGE ONLINE," "THE BABBAGE ENGINE," AND "MASTERING THE GAME" COMPLEMENT THE MUSEUM'S PHYSICAL EXHIBITS. OTHER WEB EXHIBITS SUCH AS "THE SILICON ENGINE," "SELLING THE COMPUTER REVOLUTION," "THIS DAY IN HISTORY," AND "THE TIMELINE OF COMPUTER HISTORY" ARE AVAILABLE ONLY THROUGH THE INTERNET AND BRING THE MUSEUM TO VIRTUAL VISITORS AROUND THE WORLD. THE MUSEUM'S VAST COLLECTION'S CATALOG IS NOW FULLY INDEXED AND SEARCHABLE TO THE ITEM LEVEL THROUGH THE WEBSITE'S "CATALOG SEARCH" FEATURE, PROVIDING VISITORS, STUDENTS AND RESEARCHERS UNPARALLELED ACCESS TO THE MUSEUM'S UNIQUE STOREHOUSE OF ARTIFACTS AND INFORMATION. IN ADDITION, THE MUSEUM HAS EXTENDED ITS WEB PRESENCE ONTO YOUTUBE WITH A COMPUTER HISTORY CHANNEL BRINGING HUNDREDS OF HOURS OF HISTORIC FILMS AND MUSEUM LECTURE VIDEOS TO MORE THAN 1 MILLION VISITORS ANNUALLY AT WWW.YOUTUBE.COM/COMPUTERHISTORY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>PROGRAM SERVICE ACCOMPLISHMENTS:</Identifier>
        <ReturnReference>FORM 990, PART III, LINE 4C</ReturnReference>
        <Explanation>C. EDUCATION AND PROGRAMS THE MUSEUM ENHANCES ITS EXHIBITIONS THROUGH A VARIETY OF EDUCATIONAL ACTIVITIES, ALLOWING VISITORS TO LEARN ABOUT THE PEOPLE AND STORIES BEHIND THE INNOVATIONS, AND TO THINK ABOUT THEM IN TERMS OF THEIR IMPACT ON THE HUMAN EXPERIENCE IN THE PAST, PRESENT, AND FUTURE. WITH THE OPENING OF "REVOLUTION" IN 2011 CAME THE LAUNCH OF A COMPREHENSIVE SET OF EDUCATION PROGRAMS. AMONG THE OPTIONS OFFERED TO VISITORS ARE: DOCENT TOURS: INTERACTIVE, INQUIRY-BASED DISCUSSIONS OFFERED TO THE GENERAL PUBLIC 10 TIMES WEEKLY, WITH ADDITIONAL TOURS AVAILABLE FOR SCHOOLS AND PRIVATE GROUPS ON REQUEST. IN THE FIRST TEN MONTHS OF 2011, 128 SUCH ADDITIONAL, SPECIAL TOURS WERE OFFERED TO A TOTAL OF APPROXIMATELY 3,400 VISITORS. OF THESE, 61 SUCH SPECIAL TOURS WERE FOR K-12 SCHOOL GROUPS, 27 FOR COLLEGE GROUPS, AND 40 WERE FOR ADULT GROUPS. ARTIFACT DEMONSTRATIONS: DOCENT-LED DEMONSTRATIONS OF, AND INTERACTIVE DISCUSSIONS ABOUT, THE BABBAGE DIFFERENCE ENGINE AND THE DEC PDP-1, PROVIDING VISITORS WITH FIRST-HAND EXPERIENCE OF THE OPERATION OF THESE HISTORIC OBJECTS. IN 2011, 9000 VISITORS PARTICIPATED IN BABBAGE ENGINE DEMONSTRATIONS, AND 2520 IN DEMONSTRATIONS OF THE PDP-1. 2011 ALSO SAW THE LAUNCH OF THREE LONG-TERM PROGRAMS. TWO OF THESE PROGRAMS, "GET INVESTED: CASE STUDIES IN INNOVATION" AND "TALKING TO THE FUTURE," ARE FOR HIGH SCHOOL STUDENTS. THE THIRD, "INVESTIGATE INNOVATION," IS FOR ELEMENTARY SCHOOL STUDENTS. "GET INVESTED" IS A SEMESTER-LONG CLASS DESIGNED TO ENHANCE SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS (STEM) LEARNING BY ENGAGING STUDENTS IN DESIGN-BASED LEARNING THAT ENCOURAGES CREATIVITY, PROBLEM-SOLVING, HISTORICAL INQUIRY, AND ENTREPRENEURIAL THINKING, ALL WITH A TECHNOLOGY FOCUS. CURRENTLY, 43 STUDENTS ARE PARTICIPATING; THEY ARE DIVIDED BETWEEN TWO SCHOOLS, ONE IN CALIFORNIA AND ONE IN MEXICO. "TALKING TO THE FUTURE" BRINGS INDUSTRY LEADERS TOGETHER WITH STUDENTS INTERESTED IN TECHNOLOGY CAREERS TO DISCUSS THE REALITIES OF THE TECH INDUSTRY AND TO ENGAGE IN HANDS-ON ACTIVITIES RELATED TO REAL-WORLD CHALLENGES FACED BY THOSE AT THE FOREFRONT OF TECHNOLOGY TODAY. RICH HILLEMAN, CHIEF CREATIVE OFFICER OF ELECTRONIC ARTS, INC., INAUGURATED THE SERIES IN SEPTEMBER, 2011. "INVESTIGATE INNOVATION" IS A MULTIPLE-VISIT PROGRAM THAT USES THE MUSEUM'S COLLECTION TO TEACH PRIMARY SCHOOL STUDENTS HOW TO GAIN INFORMATION FROM AUTHENTIC ARTIFACTS AND COMMUNICATE THEIR KNOWLEDGE TO OTHERS. IN 2011, 96 STUDENTS HAVE PARTICIPATED. ALL OF OUR SCHOOL PROGRAMS BUILD ON STATE EDUCATIONAL CONTENT STANDARDS. STUDENTS INTERACT WITH OBJECTS FROM THE MUSEUM'S PERMANENT COLLECTION AND WITH MUSEUM STAFF MEMBERS THROUGH BOTH THE MUSEUM'S PHYSICAL AND VIRTUAL RESOURCES. STUDENTS DEVELOP CRITICAL SKILLS FOR SUCCESS IN THE 21ST CENTURY, INCLUDING CRITICAL THINKING, ORAL AND WRITTEN COMMUNICATION EXPERTISE, AND COLLABORATION. AT THE SAME TIME, THEY LEARN AND APPLY CONCEPTS FROM SCIENCE, TECHNOLOGY, ENGINEERING, AND MATH IN THE CONTEXT OF COMPUTER HISTORY. THE MUSEUM HAS CONTINUED ITS OUTREACH TO LOCAL LOW-INCOME STUDENTS, WORKING WITH "BEYOND THE BELL," A CALIFORNIA PROPOSITION 49-FUNDED AFTER-SCHOOL PROGRAM FOR K-8 STUDENTS IN THE MOUNTAIN VIEW WHISMAN SCHOOL DISTRICT, AND WITH HIGH SCHOOL STUDENTS FROM BOTH THE EAST PALO ALTO ACADEMY AND THE EASTSIDE COLLEGE PREPARATORY SCHOOL, BOTH IN ECONOMICALLY DEPRESSED EAST PALO ALTO. AS ONE EXPRESSION OF THE MUSEUM'S MISSION TO INSPIRE INNOVATION AND CREATIVITY IN THE NEXT GENERATION OF COMPUTER USERS AND INNOVATORS, THE MUSEUM PRESENTS AND PARTICIPATES IN EVENTS FOR FAMILIES AND STUDENT GROUPS. IN 2011, THIS INCLUDED DOCENT DEMONSTRATIONS OF MUSEUM ARTIFACTS AT THE AT&amp;T PARK DISCOVERY DAY AS PART OF THE BAY AREA SCIENCE FESTIVAL, AND AT A SCIENCE FESTIVAL AT A LOCAL K-5 MATHEMATICS AND SCIENCE MAGNET SCHOOL. THE MUSEUM UTILIZES ADULT VOLUNTEERS TO ACT AS DOCENTS FOR MOST OF OUR ONSITE TEACHING. DOCENTS ARE TRAINED IN PEDAGOGICAL BEST PRACTICES FOR INFORMAL LEARNING ENVIRONMENTS AND ARE PREPARED WITH DEVELOPMENTAL INFORMATION AND LEARNING THEORY TO ALLOW THEM TO TEACH ABOUT COMPUTER HISTORY IN AGE- AND GRADE-APPROPRIATE WAYS. INITIAL TRAINING INVOLVES SEVERAL HUNDRED HOURS OF DOCENT-CANDIDATE WORK, INCLUDING OVER 60 HOURS OF FORMAL, STAFF-LED TRAINING AT THE MUSEUM. HANDS-ON CONTINUING EDUCATION SESSIONS ARE CONDUCTED MONTHLY, TO ENSURE THAT DOCENT SKILLS AND KNOWLEDGE ARE KEPT CURRENT. THE MUSEUM IS ENGAGED IN AN ONGOING EFFORT TO ASSESS THE LEARNING OUTCOMES OF OUR EDUCATIONAL PROGRAMS. WE CONDUCT EXTENSIVE EVALUATIONS OF OUR EXHIBITIONS AND OUR VISITORS' LEARNING EXPERIENCES IN ORDER TO ENSURE THAT OUR TEACHING AND EXHIBITION METHODS REFLECT THE BEST AVAILABLE AND APPLICABLE SCHOLARSHIP AND RESEARCH ABOUT LEARNING STEM- AND HISTORY-RELATED SUBJECTS, IN INFORMAL-LEARNING ENVIRONMENTS. IN 2011, WE COMPLETED A COMPREHENSIVE EVALUATION OF VISITOR LEARNING IN "REVOLUTION." FELLOW AWARDS FOR MORE THAN 20 YEARS, THE MUSEUM HAS INDUCTED A SELECT GROUP OF COMPUTING PIONEERS ANNUALLY INTO ITS HALL OF FELLOWS AND HONORED THEM AT A YEARLY FELLOW AWARDS GALA. MUSEUM FELLOWS ARE INDIVIDUALS WHO HAVE MADE REVOLUTIONARY AND LASTING CONTRIBUTIONS TO THE DEVELOPMENT OF COMPUTING. ONLY 57 FELLOWS HAVE BEEN NAMED BY THE MUSEUM SINCE THE AWARDS' INCEPTION IN 1986. THE WEEK OF FELLOWS EVENTS OFTEN INCLUDES A CAPTURING OF FELLOWS' ORAL HISTORIES IN CONNECTION WITH THE AWARDS PROGRAM. IN FY2011 THE MUSEUM SELECTED THE FOLLOWING INDIVIDUALS TO BE INDUCTED AS FELLOWS: - BILL JOY, DEVELOPER OF THE BSD UNIX AT THE UNIVERSITY OF CALIFORNIA-BERKELEY AND CO-FOUNDER OF SUN MICROSYSTEMS; AND - THE TEAM OF WHITFIELD DIFFIE, MARTIN HELLMAN AND RALPH MERKLE FOR THEIR GROUNDBREAKING WORK ON PUBLIC KEY CRYPTOGRAPHY. LECTURES AND EVENTS THE MUSEUM HOSTS 15 TO 20 LECTURES AND PUBLIC PROGRAMS ANNUALLY FEATURING LEADING INNOVATORS; INDUSTRY GIANTS, OPINION LEADERS, EXPERTS, ENGINEERS AND SCIENTISTS WHO SHARE THEIR PERSONAL STORIES AND INSIGHTS ABOUT DEVELOPMENTS, EVENTS AND DISCOVERIES THAT HAVE SHAPED THE HISTORY AND EVOLUTION OF COMPUTER TECHNOLOGY. THE MUSEUM ALSO FREQUENTLY HOSTS OTHER SIGNIFICANT EVENTS THAT HIGHLIGHT AND HONOR THE HISTORY OF COMPUTERS AND CELEBRATE MAJOR INDUSTRY MILESTONES AS THEY OCCUR. IN FY2011 THE MUSEUM HOSTED 14 LECTURES AND IT KICKED OFF ITS LATEST LECTURE SERIES, REVOLUTIONARIES. THE SERIES FEATURES SOME OF THE MOST DISTINGUISHED THOUGHT LEADERS IN THE COMPUTING FIELD SHARING THEIR VIEWS ON TECHNOLOGY AND HOW IT SHAPES OUR MODERN WORLD. A WIDE ARRAY OF THINKERS AND IDEAS WERE FEATURED, INCLUDING FACEBOOK FOUNDER AND CEO MARK ZUCKERBERG, PULITZER PRIZE WINNER JANE SMILEY, VENTURE INVESTING PIONEER WILLIAM DRAPER, MICROSOFT CO-FOUNDER PAUL ALLEN, AND MANY OTHERS. THE SERIES OFFERS AN INSIDE VIEW OF THE THINKERS AND THINKING BEHIND SOME OF OUR MODERN WORLD'S GREATEST ACHIEVEMENTS, AND THE ENTIRE SERIES IS MADE AVAILABLE WORLDWIDE ON THE MUSEUM'S BRANDED YOUTUBE CHANNEL (WWW.YOUTUBE.COM/COMPUTERHISTORY). REVOLUTIONARIES COMPLEMENTS THE LAUNCH OF THE COMPUTER HISTORY MUSEUM'S PERMANENT EXHIBITION: REVOLUTION: THE FIRST 2000 YEARS OF COMPUTING.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION A, LINE 2</Identifier>
        <Explanation>LEONARD SHUSTEK &amp; DONNA DUBINSKY: MARRIED BOARD MEMBERS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION A, LINE 4</Identifier>
        <Explanation>THE SIGNIFICANT RESTATEMENT OF THE BYLAWS CONSISTED OF A CHANGE IN THE REQUIRED NUMBER OF BOARD MEMBERS AND THE REQUIREMENTS FOR SPECIAL MEETINGS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION B, LINE 11</Identifier>
        <Explanation>THE MUSEUM'S ACCOUNTING FIRM FORWARDS THE FORM 990 TO THE CONTROLLER. THE CFO, CEO AND CONTROLLER REVIEW THE FORM. AFTER REVIEW, THE FORM IS FORWARDED TO THE FINANCE COMMITTEE AND THE AUDIT COMMITTEE FOR REVIEW. THE FINAL FORM IS POSTED ON THE TRUSTEE INTRANET SITE WHICH IS USED FOR ALL TRUSTEE COMMUNICATION OF INFORMATION AND DOCUMENTS. THE TRUSTEES ARE ENCOURAGED TO FORWARD ANY QUESTIONS TO THE CFO AND CONTROLLER WHO WILL REVIEW AND ADDRESS THE QUESTIONS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>THE MUSEUM ASKS ALL OF THE TRUSTEES, OFFICERS AND KEY EMPLOYEES TO COMPLETE A CONFLICT OF INTEREST ACKNOWLEDGEMENT ANNUALLY. IF A CONFLICT IS DISCLOSED A COMMITTEE IS FORMED COMPRISED OF THE CHAIRMAN OF THE BOARD OF TRUSTEES OR THE CHAIR OF THE AUDIT COMMITTEE AND SUCH OTHER TRUSTEES AS THE CHAIRMAN OF THE BOARD OF TRUSTEES MAY DESIGNATE. THE COMMITTEE WILL CONSIDER THE MATTER AND DETERMINE WHAT IF ANY ACTION SHOULD BE TAKEN BY THE TRUSTEE, OFFICER, KEY EMPLOYEE OR BY THE BOARD IN ORDER TO DEAL WITH THE MATTER. ALL TRUSTEES, OFFICERS AND KEY EMPLOYEES COMPLETE THE CONFLICT OF INTEREST ACKNOWLEDGEMENT PRIOR TO TAKING THEIR SEAT OR POSITION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>CEO: ANNUALLY THE COMPENSATION COMMITTEE NEGOTIATES PERFORMANCE OBJECTIVES WITH THE CEO. THOSE OBJECTIVES ARE MEASURABLE AND QUANTITATIVE. THEY ARE USED TO DETERMINE THE PERFORMANCE OF THE CEO. IN ADDITION, EVERY 1-2 YEARS THE COMPENSATION COMMITTEE COMMISSIONS A STUDY OF COMPARABLE POSITIONS WITHIN OTHER NON-PROFITS. THE COMBINATION OF THE MARKET LEVELING AND THE PERFORMANCE TO GOALS IS THEN USED TO DETERMINE ANY BONUS OR SALARY INCREASE. THE CHANGE IN COMPENSATION IS APPROVED BY THE EXECUTIVE BOARD WITH A RECOMMENDATION FROM THE COMPENSATION COMMITTEE. SENIOR STAFF: THE CEO CREATES RECOMMENDATIONS FOR THE INCREASE AND COMPENSATION FOR EACH OF HIS DIRECT REPORTS. THESE ARE REVIEWED BY THE COMPENSATION COMMITTEE TO DETERMINE THAT THEY ARE EQUITABLE AND IN LINE WITH MARKET GUIDELINES. ALL STAFF: THE CEO CREATES A BUDGET FOR INCREASES THAT IS REVIEWED BY THE COMPENSATION COMMITTEE AND APPROVED FOR ALIGNMENT WITH OVERALL MARKET GUIDELINES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE ORGANIZATION MAKES ITS STATEMENTS AVAILABLE UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED GAINS ON INVESTMENTS: 5,065,375.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>