PearsonEdexcelINTERNATIONAL ADVANCED LEVELNFORMATIONTECHNOLOGYSPECIFICATIONPearson Edexcel International Advanced Subsidiary in Information Technology (XIT11)Pearson Edexcel International Advanced Level in Information Technology (YIT11)First teaching September 2018First examination from June 2019First certification from August 2019(Intemational Advanced Subsidiary)andIssue 2Edexcel,BTEC and LCCI qualificationsEdexcel,BTEC and LCCI qualifications are awarded by Pearson,the UK's largest awardingbody offering academic and vocational qualifications that are globally recognised andbenchmarked.For further information,please visit our qualifications website atqualifications.pearson.com.Altematively,you can get in touch with us using the details onour contact us page at qualifications.pearson.com/contactusAbout PearsonPearson is the world's leading learning company,with 35,000 employees in more than70 countries working to help people of all ages to make measurable progress in their livesthrough learning.We put the leamer at the centre of everything we do,because whereverlearning flourishes,so do people.Find out more about how we can help you and yourlearners at qualifications.pearson.comAcknowledgementsThis specification has been produced by Pearson on the basis of consultation with teachers,examiners,consultants and other interested parties.Pearson would like to thank all thosewho contributed their time and expertise to the specification's development.References to third party materials made in this specification are made in good faith.Pearson does not endorse,approve or accept responsibility for the content of materials,which may be subject to change,or any opinions expressed therein.(Materials may includetextbooks,jourals,magazines and other publications and websites.)All information in this specification is correct at time of publication.ISBN9781446949900All the material in this publication is copyrightC Pearson Education Limited 2021Summary of Pearson Edexcel International AdvancedSubsidiary/Advanced Level in Information Technologyspecification Issue 2 changesSummary of changes made between previous issue and thisPagecurrent issuenumberUnless otherwise stated,changes listed below have been made for clarification and donot constitute changes to the current specification content.In Unit 1,section 1.3 Unit content,Topic 1:Hardware and software:14-151.1.1 Features and functions,item connectivity has been expanded tolist these cable types:USB and HDMI1.1.1 Contemporary digital devices,item computers has been expandedto list desktop PCs,tablets,smart TVs,games consoles,microprocessors single board computers,wearable computers andsupercomputers1.1.1 Contemporary digital devices,item embedded systems has beenremoved as it is listed in 1.1.4.1.1.1 Contemporary digital devices,item peripheral devices has beenexpanded to list keyboards,mouses,joysticks,microphones,scanners,monitors,speakers,printers,video cameras,webcams,touch screens,graphics tablets,biometric scanners,barcode readers,chip and pindevices,and sensors1.1.1 Contemporary digital devices,item mobile phones has beenexpanded to list smartphones1.1.1 Contemporary digital devices,item storage devices has beenexpanded to list magnetic storage,solid state and optical hard drives,magnetic tape drives,removable solid state(SSID)cards,network-attached storage(NAS),RAID storage1.1.3,term 'technical convergence'has been corrected and now reads:'technological convergence'.In Unit 1,section 1.3 Unit content,Topic 3:The online environment:193.1.1 Term'Domain Name Service'has been corrected and now reads:'Domain Name System'3.2.3 After term'digital footprint',examples of 'active,passive'havebeen added.In Unit 1,section 1.3 Unit content,Topic 5:Data and databases:215.2.2 item composite keys has been added to show a comprehensivelist of keys,and the subsequent two items have been re-letteredaccordingly.In Unit 2,section 2.3 Unit content,Topic 8:Understanding the28-29functionality of CSS:8.2.4 Statement'Be able to styles to elements'has been corrected andnow reads:'Be able to add styles to elements'