Information and Communication Technology 0417/11 October/November 2025: question paper and mark scheme

Mark scheme

1 RAM 2 ROM

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2(a)(i) Analogue 1 2(a)(ii) Digital 1 2(b) Four from: 4 Analogue data is continuous Infinite number of values within a given range Requires high bandwidth Digital data Discrete data Binary data Transmitted at specific amplitudes Understood by computers

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3(a) Five from: 5 Headings / subheadings relate to the content Headings / subheadings are clear and easy to read Font style / type is easy to read Font size is large enough to be easily read Makes good use of the page area / white space Use of headers and footers to help in the layout Contrasting colours to make it easy to read All data is fully visible 3(b) Two from: 2 Format check Type / character check Length check Range check 3(c) Normal 1

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4 Similarities 6 Max three from: Both are output devices Both produce high quality output Both produce hard copy Differences Max five from: Plotters work with larger sheets of paper Plotters produce higher quality drawings Plotters can print on a number of different materials Plotters are multi-coloured as standard Plotters use ink whereas laser printers use toner Plotters have bigger footprint Plotters can be slower to output Laser printers are page printers Laser printers emit ozone which can be a health hazard

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5 Four from: 4 It controls the transfer of data and instructions Controls the operation of the computer It manages and coordinates all of the computer’s peripherals It fetches instructions from memory Interprets instructions from memory Performs logic operations Performs calculations

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6(a) Benefits 6 Max five from: Better dissipation of heat Power consumption is not critical Less likely to be damaged as they are fixed in one location Less chance of the desktop being stolen as peripherals are separate Stable internet access Easily expanded / upgraded by changing peripherals Drawbacks Max five from: Less portable as they are built up of separate parts Has a large footprint Can be more trailing lead issues Less flexibility as students could bring in their own mobile computers Needs to be constantly connected to the mains electricity to use 6(b) Three from: 3 CAL uses specially designed software It is an integrative technology It’s a computer program to assist the user in learning a particular subject It refers to an overall integrated approach of instructional methods 6(c) Three from, for example: 3 Users are able to move forward and backward through the course Allows users to be able to work at their own pace Tests the user Gives a score / grade to the user Can work at any time Allows interactive learning Tailored to the user It records learner’s performance

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7(a) Six from: 6 Accessed through a website / internet that can be used on different devices Stores are open 24/7 Delivery to the home Wide choice of goods Uses online payments Can increase the number of customers Easy to compare the prices Uses reviews / comments / recommendations Can shop from anywhere 7(b) Four from: 4 Positives Creates customised recommendations for the customers Gives customers a personalised service / experience making them feel more comfortable in shopping Predicts customers purchasing behaviour It can learn and adapt to users’ needs Negatives It can track customers purchasing of items Can influence purchasing Gathers a great deal of personal information Security issue as compares customers purchases with others Security issue browsing history are stored on the internet 7(c)(i) Eyestrain 3 Three from: Use an anti-glare screen Use window blinds Change to LCD / LED screens as no screen flicker Have eyes tested regularly Use blue lens glasses Keep the screen clean Change screen brightness to match the room brightness Do not sit too close to the screen 7(c)(ii) Back problems 3 Three from: Use ergonomic chairs Use a footrest Adjusting the height of the monitor so the eye is in line with the top of the monitor Sit with a correct posture Exercise / stretch

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8(a) Three from: 3 A network of remote servers Run by third-party providers Collection of computing services Allow one mark for an example of a computer service processing power / running applications 8(b) Six from: 6 Accessible to all It does not belong to any entity Anyone can create / share resources on the internet It offers information 24/7 Can be accessed using an internet connection Gives access to the world wide web It is worldwide A Wide Area Network (WAN) Its growth is unlimited, allowing new connections to the network Allows users to remain private therefore it is an anonymous network It can be accessed from any internet connected device Allows devices to instantly communicate Gives access to a large amount of resources

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9(a) Max three from: 4 Log onto the network Plug the HDD into the computer Scan the HDD for viruses Select files Copy the file and paste onto the computer Verify the file has been correctly transferred Issue and solution Max three from, for example: If the connection is faulty, contact the network manager If the HDD contains a virus, delete / quarantine the virus If file cannot be found, check to make sure it is uploaded to the correct folder 9(b)(i) One from: 1 CD DVD Blu-ray 9(b)(ii) One from: 1 Memory cards SD card xD card CFast card Flash memory 9(c) Two from: 2 To protect the rights of the individual To prevent incorrect / inaccurate data from being stored To ensure an individual’s data is used properly

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10(a) Four from: 4 Phishing is a form of Internet fraud The sender tries to trick the receiver into revealing personal information Carried out using emails which appear to be from legitimate organisations The email may contain links to a fake website User clicks on the link and is directed to the fake website 10(b) Three from: 3 Never send personal details in an email If the content of the email is too good to be true, then delete it Report any phishing attempts Do not respond to emails from people you do not know Do not click links contained in possible phishing emails Use a filter on the email to only allow trusted addresses Carefully check the URL links within an email

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11 One from: 2 Contains information about a web page‘s properties Contains links to external related files / stylesheets One from, for example: Title of the page Meta tags CSS code Open Graph tags Java Script code