2.1ProducingRobust
Programs
2.3BooleanLogic
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Thissectionemphasizes defensivedesign,including anticipatingmisuse, authentication,andinput validation.Italsocovers maintainabilitythrough subprograms,naming conventions,indentation, andcommenting.Testingis exploredindepth, distinguishingbetween iterativeandfinaltesting, identifyingsyntaxandlogic errors,andselecting appropriatetestdata (normal,boundary,invalid, anderroneous).Pupilslearn torefinealgorithmsand createtestplans.
2.2SQL
Inthisunitpupilswill developanunderstanding ofhowrecordsareusedto storedataandhowSQLcan beusedtosearchfordata storedwithinsuchrecords.
Pupilsareintroducedto Booleanlogicthrough simplelogicdiagramsand truthtablesusingAND,OR, andNOToperators.They learntocombinethese operatorstosolveproblems andinterpretorconstruct logicdiagrams.Thesection includesrecognitionoflogic gatesymbolsandthe applicationoftruthtablesto variousscenarios.
2.4SystemsSoftware
Thisunitfocusesonthe roleofoperatingsystems andutilitysoftware.It explainshowoperating systemsmanagehardware andsoftwareresources, includingmemory,files, users,andperipherals. Utilitysoftwareis introducedastoolsthat performmaintenancetasks likeencryption, defragmentation,anddata compression,helpingto keepsystemsrunning efficiently.
2.5Programming Languages&Integrated Development Environments
Thistopicexplainsthe characteristicsandpurposes ofhigh-levelandlow-level programminglanguages, theroleoftranslators,and thedifferencesbetween compilersandinterpreters. Italsointroducesthe IntegratedDevelopment Environment(IDE), highlightingtoolssuchas editors,errordiagnostics, run-timeenvironments,and translators,andhowthese supportprogram development.
2.6Ethical,Legal, Cultural& EnvironmentalImpact
Pupilswillexaminehow digitaltechnologyaffects society,consideringethical, legal,cultural,and environmentalissues.It includesdiscussionson privacy,dataprotection, andrelevantlawslikethe DataProtectionActand ComputerMisuseAct.The sectionalsocomparesopen sourceandproprietary softwarelicences,helping pupilsunderstandthe implicationsofsoftwareuse anddistribution.
Examrevision