Information and Communication Technology 0417/12 October/November 2025: question paper and mark scheme

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1 Behaviour 2 Presentation

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2(a)(i) So data can be read / processed by the computer 1 2(a)(ii) One from: 1 Data can be used to control devices The actuator can only understand analogue data 2(b) One from: 1 Sensor Microphone Data logger 2(c) One from: 1 Actuator Speaker Monitor

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3 Advantages 6 Max five from: Quicker to select options on the screen Smaller footprint Improved hand and eye coordination More ergonomic Greater reliability Ability to use pinch and zoom Easier to choose options on the screen Disadvantages Max five from: More likely to strain the arm muscles If screen gets dirty can reduce responsiveness Screen can be more easily damaged as the user is pressing on the screen If the screen gets damaged it is more difficult to use to enter data Harder to upgrade as separate units need to be bought

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4 Similarities 4 Max two from: Both store data Both are devices Differences Max three from: Backing storage is permanent memory Backing storage is read and write Backing storage has larger capacity Backing storage data is non-volatile only Secondary memory Internal memory can be directly accessed by the CPU Internal memory tends to have faster data access Internal memory is only solid state Primary memory

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5(a)(i) Field name 2 One from: Model of car Date of registration State of car Type of car Reasons One from: Reduces errors in entering the data Quicker to enter the data They can only select what is in the list 5(a)(ii) Field name 2 One from, for example: State of car Type of car Model of car Reason One from: Only one option can be selected at a time Easier to choose between the options Reduces errors in entering the data Quicker to enter the data 5(a)(iii) Field name 2 One from: Registration Number Model of car Date of registration Sale price State of car Type of car Reason One from: Makes it easier to check the name written as one character per box Reduces errors on data capture Retains the same format 5(b) Two from: 2 The robot arm is guided by a worker The worker has sensors strapped to his arm Each movement is recorded / saved Each movement is stored in the computer‘s memory as a coordinate or Max two from: The robot is guided using icons on a user interface User clicks on the icons to guide it Each movement is saved 5(c) Benefits 6 Max five from: Robots can work in environments that would be harmful to a human They work continuously Running costs are low High productivity Greater consistency The painting done by the robot is accurate Drawbacks Max three from: Initial cost is very high Maintenance is expensive Can cause de-skilling of workers

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6 Two from, for example: 2 Laptop Smartphone Phablet Hybrid Tablet

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7(a) Six from: 6 RFID tags can be scanned even if they are defaced RFID tags are scanned faster than bar codes as they are read by radio waves RFID can be read from a distance RFID tag does not need to be in line of sight of the reader With RFID several tickets can be read / scanned at the same time RFID can track visitors More information can be stored on the RFID tag RFID tags are more robust More secure as barcodes can be photocopied 7(b) Four from: 4 Payment is online therefore no issues with different currencies Tickets can be instantly sent Tickets can be sent electronically Bookings can take place anywhere Bookings can be made 24/7 Many can book at the same time Prevents double booking

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8(a) Four from: 4 Pharming is a form of Internet fraud It is used to gain personal information Sends the data to a hacker A malicious code is installed onto a user‘s computer The code redirects the user onto a fake website when the user types in the real URL They are redirected without the user’s knowledge 8(b) Two from: 2 Use anti-spyware Check the URL carefully

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9 Purpose: 3 One from: The main section of the web page Contains all the contents of an HTML document Element: Two from, for example: Text Hyperlinks Images Tables

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10(a) Benefits 4 Max three from: Less expensive per byte Very robust technology Large data storage Data transfer rate is fast Drawbacks Max three from: Slow data access rate Can be affected by magnetic fields Not all devices support magnetic tape 10(b) Four from: 4 Switch on the computer Go to settings Select Bluetooth Switch on the headphones Click Bluetooth button on the headphones Bring the headphones close to the computer Click on searches for the headphones Choose the headphones Click connect

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11(a) Four from: 4 The email is encrypted using an encryption key This scrambles the data The decryption key is sent to the receiver The encrypted email is sent The receiver uses the decryption key to decrypt the email 11(b) Two from: 2 Use HTTPS Use TLS / Secure Socket Layer (SSL) Use of cloud computing Use FTP Secure // SFTP

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12(a) Positives 5 Max four from: Increases the sense of security The owner is alerted instantly if people are around the house 24/7 protection of the home Real-time footage of intruders The CCTV camera position can be controlled remotely The video can be encrypted to stop others hacking the system Video is recorded Negatives Max four from: Requires a good internet / phone connection If there are intruders, then they can only view them this could increase anxiety Can be annoying as it continually goes off To ensure footage is streamed smoothly, high network bandwidth is required Camera can be hacked 12(b) Two from, for example: 2 Washing machines Cookers Burglar alarms Central heating

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13(a) Two from: 2 Surgical and diagnostic aids Tissue engineering Creation of medical tools Artificial blood vessels Customised tablets Create organs for practising on 13(b) Benefits 4 Two from: Can produce a customised prosthetic Can produce the prosthetic faster than physically building them The design can be saved for later use Drawbacks Two from: Initial cost of printer is high Can take time to print the prosthetic Errors cannot be easily corrected

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14 Two from: 2 Screen Light Speaker