Information and Communication Technology 0417/12 October/November 2023: question paper and mark scheme

Mark scheme

1 Pen drive 1

Mark scheme

2(a)(i) One from: 1 • Continuous data • Any values in a range 2(a)(ii) One from: 1 • Discrete data • Binary 2(b) One from: 1 • To control an external device • To be sent to an actuator 2(c)(i) Open the windows in a greenhouse 1 2(c)(ii) Analogue data 1 2(c)(iii) Measure acidity levels in a river 1

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3 One mark for a correct network device and one mark for a description of what 6 it does Router One from: • Allows a LAN to be connected to a WAN/Internet • A router allows data packets to be sent to LAN/WAN Hub One from: • Connects computers/devices so data can be broadcast to all devices Expands a LAN • Network interface Card (NIC) • Connect computers/devices to a network Bridge One from: • Connects two LANs of the same protocol together • A bridge creates a single LAN from separate parts Switch One from: • Connects computers together to form a LAN • Allows data to be sent to individual devices

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5(a) Two from: 2 Smartphone and tablet hybrid A tablet that functions as a smartphone It is a device that has the features/properties of a smartphone/tablet computer The device size is in between a smartphone and a tablet 5(b) Six from: 6 Advantages A phablet has a larger screen size so it is easier to read the text/navigate/click on icons/type/edit text Better control over the layout of the screen/newsletter Due to the screen size more people can view at the same time The onscreen keyboard is larger making it easier to enter the data Easier to connect devices onto a phablet Disadvantages Less portable than a smartphone More difficult to record audio messages due to its size If cameras are to be used then it is easier to use a camera with a smartphone Pupils are more likely to have smartphones with them To gain full marks the candidate must have both advantages and disadvantages. If only a list then only five marks can be awarded

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6(a) Two from: 2 Eye problems Headaches Burns 6(b) Two from: 2 Projector falling on the presenter Electrical fire due to overheating of the projector Electrocution caused by liquid spilling on the projector Tripping over trailing cables

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7 Two from: 4 Advantages Safer to use drones than risking the humans filming in the helicopter Cheaper to use a drone rather than using a helicopter The drone could fly closer to the competitors than a helicopter Drones can be used in areas that would not be accessible to the helicopter Two from: Disadvantages More difficult to fix camera problems as no humans present The range of the drone may be smaller The drone may become a distraction as it is closer to the race It can fly out of range and lose control signal

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8(a) Cloud storage 1 8(b) Random Access Memory/RAM 1 8(c) One from: 1 SD/xD/cFast/Memory card Flash memory 8(d) Blu-ray disc 1

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9 Max two from: 6 Validation • Validation is an automatic computer check • Validation ensures that the data entered is sensible/reasonable • Ensures the data entered fits the set criteria Max two from: Verification • Verification checks that the data on the original source document is identical to the data that you have entered into the system • Verification ensures that the data is copied/entered correctly Max three from: • Because it is personal data the data needs to be correct • Data should be error free to ensure patients are safe • If data is incorrect it could lead to consequences • Individually they cannot detect all errors

Mark scheme

10(a) Three from: 3 • The inputs/processing/outputs of the current system • The user requirements for the new system • The information requirements for the new system • Hardware/software requirements 10(b) Six from: 6 Parallel running • Data would need to be entered twice this could cause issues with double booking • Staff can be gradually trained on the new system which takes a longer time • Parallel running is more expensive to operate as there are two sets of staff/two systems operating • In parallel if the new system fails, the old system is still available • In parallel running a system is always in place Direct changeover • Faster method of full implementation as the hotel will not want the system to be out of use • Immediate benefits • System is thoroughly tested before use, therefore less chance of it being faulty • Staff have to be trained before the new system is implemented this can be difficult as they are still working • Training takes place on non-live systems which may mean problems can be missed • Data can be lost as the old system has been removed • No system will be in place during the changeover To gain full marks there needs to be both direct changeover and parallel running 10(c) Five from: 5 Benefits • Available 24/7 therefore helps customers to book when they want • Fewer problems with the bookings/double bookings • Faster booking system as not waiting in queues • Immediate confirmation of the booking • Easier to cancel/change bookings Drawbacks • Relies on telecommunications to make the booking • Needs internet access/connection • Security issues due to fraud/others seeing personal data • Wrong information may be added accidently and this may be difficult to correct To gain full marks the candidate must have both benefits and drawbacks

Mark scheme

11(a) Six from: 6 Benefits • Saves the cost of having a store • Saves cost of rent/insurance/utilities/costs/business rates • Saves cost as less staff required • Larger customer base therefore increases profits • The selling is not limited to shop opening hours therefore increases sales Drawbacks • Increased costs more staff needed to operate/develop the website/drivers • Needs large warehouse space/distribution system • Reliant on the technology • Operates 24/7 therefore increases overheads • Relies on customers that only shop online To gain full marks the candidate must have both benefits and drawbacks 11(b) Five from: 5 Customer: • Loads up the website • Sets up an account • Logs into the website • Enters a password • Browses through the online catalogue • Clicks on the items required • Enters the quantity/colours/size of items • Adds items to the virtual basket/cart • Clicks on the virtual checkout • Chooses payment method • Chooses delivery method • Adds payment/delivery/personal details • Checks the details entered • Logs out of system

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12(a) Four from: 4 • Clear and visible labels for each field • Font size is large enough to read • Easy data entry • Language used is simple to understand • Appropriate size of data entry sections • Good use of white space//Fills the screen • Use of sensible error messages • Use of navigation buttons/drop down boxes/radio buttons • Use/location of Help buttons/instructions 12(b) Two from: 2 Only allow the first two answers and then place a MAX • Buttons are large enough to see • Font size is large enough to read • Use of high contrast colours • Use of voice entry • Use of text to speech