Information and Communication Technology 0417/11 May/June 2025: question paper and mark scheme

Mark scheme

1 Actuator 2 Printer

Mark scheme

2(a)(i) Two from: 2 It is a text editor It creates / stores / prints / formats text Allows users to type text 2(a)(ii) Two from: 2 Software that controls / manage / regulates programs / external hardware It can change its environment It is an automatic system 2(a)(iii) Two from: 2 Small piece of software / program Used to help the user carry out specific tasks 2(b) One from: 1 So that it can be read / processed by the computer Computers only understand / read / process digital data 2(c) One from: 1 So that it can be used to control devices So can be used with any analogue device Users can understand analogue data

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3 For 6 Max five from: Digital system therefore the voice quality is better You do not need a dedicated device as it has microphone / camera built in It is portable Keeps a call log More secure calls Can have group video calls Can use existing networks Against Max five from: Signal can be lost if device is moved Increased lagging / lip sync Needs a reliable internet connection May have difficulty communicating on speaker / microphone Small screen makes it difficult to see the other person Safety issues if used on the move

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4(a) Data that is on the boundary of the acceptable range. 1 4(b)(i) Any integer from 1 to 10 1 4(b)(ii) One from: 1 1 10 4(b)(iii) One from: 1 Any number below 1 Any number above 10 Any letters / characters / symbols Any non-integers

Mark scheme

5(a) Benefits 6 Max five from: The video can be viewed on many devices Allows the user to view more up to date movies Allows the user to connect from anywhere in the world using a device with an internet connection More videos available than physical discs Can view the video without downloading saves storage space Drawbacks Max five from: Needs a reliable internet connection Needs fast broadband connection User does not own the video There is a monthly subscription to pay More liable to lag if internet speed is too low May be lip sync problems 5(b) Three from: 3 Process in which the file size is reduced while maintaining its integrity Creates a smaller file for computer storage Allows the data to be transferred quicker therefore reduces lag A process that re-encodes the file data

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6 For 6 Max five from: More up to date than maps Can find the fastest / cheapest / best route Can redirect a driver enroute if the road is blocked Can use GIS features to show road closures Driver does not have to memorise all routes Tells driver how long it will take // Tells the driver the cost of the journey Against Max five from: May not recognise the destination if it is newly built Very dangerous to set up the systems whilst driving Requires the driver to download the updated maps Can lose the satellite signal in certain areas due to tall buildings Requires the driver to use common sense as the system could lead the driver down unsuitable roads Over reliance on the technology

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7 Max three from: 4 A set of rules Relates to the writing / presentation of the documents produced within a company Gives a consistent look and feel across the company Strengthens company‘s brand Max three from: Consistent font style used Consistent font size used Consistent colours to be used Consistent placing of the logo

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8(a) Parallel 1 8(b) Pilot 1 8(c) Phased 1

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9(a) Three from: 3 A device that broadcasts data to every device connected to it Connects multiple computers / devices together Acts as a repeater to amplify signals which deteriorate after traveling long distances over cables Extends a network 9(b) One from: 1 If the LAN is too large increases signal traffic / weakens signals If the LAN is too large it takes up bandwidth Cannot differentiate between the devices on the network therefore sends to all

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10(a)(i) Two from: 2 Involves watching people use the current system to see how it works / errors in the process Allows the systems analyst to see the input, process and output of the current system Due to the Hawthorne effect the results may not be reliable 10(a)(ii) Two from: 2 One to one method of question and answer // Face to face conversation Its between the analyst and employee Allows the analyst to find more information about a particular topic Allows the interviewer to evaluate the answer 10(b) Four from: 4 Algorithms Data capture / input forms Data structures File structures Flowcharts Input formats Output formats Screen / printout layouts Testing strategy / plan Validation routines 10(c) Three from: 3 So it meets the needs of a client To remove any errors from the new system To make sure it produces the correct output Check the software does not crash / works properly under normal operations 10(d) Three from: 3 Test data Reason for test Actual outcomes Remedial action

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11(a) Two from: 2 It scans the document Compares the word typed with its dictionary If the words match it moves on to the next word If the words do not match it highlights the word 11(b) Two from: 2 It does not appear in the dictionary The word may be a person‘s name / place / noun The word may be a scientific / Latin word The spell check software may have been set up for another variant of language e.g. US English The word may be mistaken for another word Repeated words could be removed Does not understand the context of the word or phrase

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12(a) Two from: 2 The correct / acceptable way of communicating over the internet Internet etiquette Respects other user’s views Displays common courtesy when sending messages 12(b) Six from, for example: 6 Do not be abusive Example of use Be clear with your message Be concise in the message Keep message free of personal data Posts can be read by anyone // Example of personal data Always check spelling and grammar Excessive spelling and grammar mistakes are seen it could be classed as spam Respect people’s privacy Do not send messages that could embarrass recipients Do not use all capital letters Capitalised words can be classed as shouting Do not use too many emoticons / slang / text speak... Emicrons / slang annoy people Read emails carefully before sending Example and a reason

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13(a) Two from: 2 Gaining unauthorised access / without consent (1 st ) to a computer system / data (1) Allow one mark for an example of the consequence of hacking Identity theft Misuse of personal information Data can be deleted / edited / corrupted on a system 13(b) Three from: 3 Use of strong passwords Passwords that do not contain personal information Change passwords frequently Long password Use of biometric passwords

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14(a) One from: 1 gif jpg png 14(b) One from: 1 csv pdf rtf txt 14(c) One from: 1 css htm html