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1 This document has 10 pages. Blank pages are indicated. UCLES 2018 [Turn overCambridge IGCSE INFORMATION AND COMMUNICATION TECHNOLOGY 0417/01 Paper 1 Theory For examination from 2020 MARK SCHEMEM aximum Mark: 100 Specimen0417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 2 of 10 UCLES 2018 Generic Marking PrinciplesThese general marking principles must be applied by all examiners when marking candidate answers. They should be applied alongside the specific content of the mark scheme or generic level descriptors for a question. Each question paper and mark scheme will also comply with these marking MARKING PRINCIPLE 1: marks must be awarded in line with: the specific content of the mark scheme or the generic level descriptors for the question the specific skills defined in the mark scheme or in the generic level descriptors for the question the standard of response required by a candidate as exemplified by the standardisation MARKING PRINCIPLE 2: marks awarded are always whole marks (not half marks , or other fractions).]

2 GENERIC MARKING PRINCIPLE 3: marks must be awarded positively: marks are awarded for correct/valid answers, as defined in the mark scheme . However, credit is given for valid answers which go beyond the scope of the syllabus and mark scheme , referring to your Team Leader as appropriate marks are awarded when candidates clearly demonstrate what they know and can do marks are not deducted for errors marks are not deducted for omissions answers should only be judged on the quality of spelling, punctuation and grammar when these features are specifically assessed by the question as indicated by the mark scheme . The meaning, however, should be MARKING PRINCIPLE 4:Rules must be applied consistently in situations where candidates have not followed instructions or in the application of generic level MARKING PRINCIPLE 5: marks should be awarded using the full range of marks defined in the mark scheme for the question (however; the use of the full mark range may be limited according to the quality of the candidate responses seen).

3 GENERIC MARKING PRINCIPLE 6: marks awarded are based solely on the requirements as defined in the mark scheme . marks should not be awarded with grade thresholds or grade descriptors in Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 3 of 10 UCLES 2018 QuestionAnswerMarks1(a)Laser printer Buzzer21(b)DVD RAMBlu-ray disc2 QuestionAnswerMarks2abnormal(9)normal(9) extreme(9)09459100911094 QuestionAnswerMarks3(a)Content layer (9)Presentation layer (9)Behaviour layer (9)This layer is used to format elements within a web layer is used to create the structure of a web layer is used to enter scripting language to elements within a web layer is defined by cascading style (b)

4 Two fromRequest made by entering a web address/URL or clicking a linkRetrieves code from the server/resources downloadedInterprets the code as a web page/uses page resources to build the web pageThe web page is displayed/renders page to view23(c)HTTPTwo fromHypertext Transfer ProtocolA method of accessing data over the internetSets the rules of formatting and transmitting messagesUsed by the World Wide WebISPTwo fromInternet Service ProviderAllows users to access the internetProvides services such as domain name registration and web hosting 40417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 4 of 10 UCLES 2018 QuestionAnswerMarks4(a)

5 Four from, for examplePurpose of the system/program Limitations of the system Program listingProgram language Program flowcharts/algorithmsSystem flowchartsHardware requirementsSoftware requirements File structuresList of variables Input formatOutput formatSample runs/test runsValidation routines44(b)Two fromPurpose of the systemLimitations of the systemHardware and software requirementsHow to load/run/install softwareHow to save a fileHow to print data How to add recordsHow to delete/edit recordsInput formatOutput formatSample runsError messagesError handlingTroubleshooting guide/helplineFrequently asked questionsGlossary of terms2 QuestionAnswerMarks5(a)Four fromCamera takes an image of the number plate/(front of the) vehicleSaves the imageSoftware determines where on the image the number plate isConverts the image to text Conversion uses OCR/optical character recognitionSaves/stores the textCompares the text with data saved in the databaseConfirms the driver is visiting the company40417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 5 of 10 UCLES 2018 QuestionAnswerMarks5(b)

6 Six fromComparisonsBoth are direct data entry systemsBoth are used to communicate with the readerContrastsMax five from RFID chips can be read from a greater distance/bar codes need to be closer to the readerBar codes need to be in line of sight with the reader/RFID chips do not need to beRFID chips can be uploaded easier/bar codes require a brand new codeRFID chips read at a faster rateRFID chips are more useable/more robustRFID chips are more secure6 QuestionAnswerMarks6(a)(i)DepartmentOne fromLength checkType check16(a)(ii)Date_of_birthOne fromLength checkFormat check16(a)(iii)Year_leftOne fromLength checkRange checkType check16(b)Two fromThe field would not be used for calculationsThere is a leading zero in the dataText fields take up less space than numeric fields26(c)

7 Award one mark for four field names givenAward one mark for the other two field namesAppropriate alternative names can be usedMax six fromData fill the screen and it looks like an online formUse of navigation buttonsUse of drop down lists for year_left or departmentUse of text/character boxesThe name fields are larger than the year_left, date_of_birth and departmentUse of a calendar for date_of_birthUse of submit/help buttonsAppropriate title80417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 6 of 10 UCLES 2018 QuestionAnswerMarks7 Four fromMonitors and controls incoming and outgoing data traffic Helps to prevent malware being downloadedPrevents computer accessing undesirable/unauthorised sites Prevents unauthorised users accessing the computer Keeps a list of undesirable sites/IP addresses Keeps a list of acceptable sites/IP addresses Warns you of threatsAllows you to accept/reject downloaded programs 4 QuestionAnswerMarks8(a)

8 Max five fromBenefitsCan call meetings at short noticeEmployees save time travellingNo hotel expensesSafer as participants do not have to travelNo need to transport/carry equipment/lots of documentsNo risk of losing documents in transitMax five fromDrawbacksTakes time/costs money to learn new technology/to be trainedDifficult to have international meetings because of time differencesInitial cost of hardware (and software)Equipment can break down/power cuts can stop conferencePoor strength of signal/time lag/lip sync can be a problem/connection can be lostLoss of personal/social contactLegal documents cannot be signedA mark can be awarded for a reasoned conclusion88(b)Three fromRouter Web cam Microphone Network card SpeakersLarge monitor/data projectorCodecs3 QuestionAnswerMarks9(a)Crop19(b)Two fromClicked on the image/selected the imageSelect format (menu)Click on crop (button)Removed the unwanted elements20417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 7 of 10 UCLES 2018 QuestionAnswerMarks9(c)MediaCollege workVideosPhotographsHomeVideosPhotograp hsORIn Home section: level 2 can be in any orderMediaPhotographsHomeCollege workVideosHomeCollege workIn Videos section.

9 Level 2 can be in any orderOne mark for level 1 One mark for level 2 One mark for College work and Photographs in correct place3 QuestionAnswerMarks10(a)HLOOKUP(B4, D1:K2,2)The formula looks for the value in B4 Searches for it in the range/table array (D1:K2)Then displays the corresponding resultFrom row two/second row of the range30417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 8 of 10 UCLES 2018 QuestionAnswerMarks10(b)Max two from$ signs missed out from the table array/D1:K2 When the formula was replicated .. the table array cell references are changed$ signs lock the rangeOne fromHe could highlight the table array and name the range3 QuestionAnswerMarks11 Four advantages fromGUI allows the use of pinching, scrolling and expanding but CLI does not allow thisIcons speed up finding instructions, with CLI you have to type out the commands in fullGUI is more visual therefore finding commands is quickerIf a mistake is made in CLI it could have major consequences whereas in GUI a mistake has less impactGUI allows more multi-taskingGUI is faster to operate and more efficient as it uses a finger/stylus rather than a keyboardGUI is more user friendly.

10 With CLI the commands have to be memorisedIn CLI several commands have to be typed in rather than one command in GUIGUI has more system resourcesEasier to remote access with GUIF ewer health problems .. eye strain, carpal tunnel syndrome4 QuestionAnswerMarks12(a)Six fromSome workers may job-share with other workers .. this means that two workers share the same job one starting as the other finishesSome workers may work compressed hours .. this means working a five-day week but compressed to four daysSome workers may work flexible hours .. the worker and the employer negotiate a time the employee this means the employee can arrive later/leave later as long as they work the set number of hoursWorkers can change their work pattern to meet domestic chores/avoid rush hourSome workers can work from home60417/01 Cambridge IGCSE mark scheme For examination SPECIMEN from 2020 Page 9 of 10 UCLES 2018 QuestionAnswerMarks12(b)