Information and Communication Technology 0417/11 May/June 2023: question paper and mark scheme

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1 Text 1

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2(a) Random Access Memory//RAM 1 2(b) Motherboard 1 2(c) Graphics card 1 2(d) Network (interface) Card/NIC 1

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3 Two from: 2 Connecting a storage device to the computer by (USB) cable Connecting a storage device by Bluetooth Connecting a storage device/cloud by wi-fi

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4(a) Two from: 2 Retrieves code from the server//Downloads information resources Interprets the code as a web page//Uses page resources to build a web page//Runs the code The web page is displayed//Renders web page to view Allows the user to navigate to other information Runs 'client-side' scripts on the web page 4(b) Two from: 2 Intranet shares data within an organisation whereas Extranet shares content with customers/suppliers Intranet allows communication within the organisation whereas Extranet allows communication with customers/suppliers Intranet is owned is by a single organisation whereas Extranet can be used by several organisations Extranet is part of a company’s intranet Extranet can lead to more security breaches

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5(a) Electrocution 1 5(b) Fire 1 5(c) Tripping 1 5(d) Heavy equipment falling and injuring people 1

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6(a) Six from: 6 Benefits It is a strong password Hard to crack More secure Password is long therefore shoulder surfing is reduced Does not contain personal information so harder to crack Drawbacks Easy to forget as it has many different characters Even though it is still strong it is easy for a computer to crack The user would have to look at the keyboard when entering the password The user may have to write it down to remember it Letters and numbers could be confused… …such as 1 and I, 2 and Z, 5 and S As it is long/complex it could be mis-typed To gain full marks candidates must have correct answers for both benefits and drawbacks 6(b) Two from: 2 Retina scan Fingerprint/thumbprint Iris scan Facial recognition Voice recognition

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7(a) Three from: 3 Observation Interviews Questionnaires Examination of existing documents 7(b) Four from: 4 Documentation is uploaded to the cloud Access is given to members of the team Members of the team log into the cloud Members of the team open the documentation Members of the team update the documentation Documentation is synced Can be tracked by the owner of the document Several copies of the document are made 7(c) Three matched pairs: 6 More difficult to carry out projects ... ... as individuals are working on their own Difficult to form relationships with staff ... ... as individuals are working on their own Requires a good/fast/reliable internet connection ... ... as documents/images may require more bandwidth Requires specialist hardware/software ... ... can be expensive to purchase Time zone differences … … as staff work in other parts of the world/time of meeting may be difficult May require training … … this may take time/expensive Communication issues … ... causing lip syncing/lagging Disconnection issues/speed of the internet … … members of the meeting miss sections/meeting Background noise/echo … … could be distracting Users could be distracted … … not pay attention to the meeting

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8(a) Six from: 6 Similarities Both read/scan data using optical methods Both use direct data entry Both are input devices Both read data from printed documents Both input large amounts of data Both read data very quickly Differences OMR does not need to read the characters written only the marks OMR is unable to recognise machine or hand-printed characters For OMR to read, marks need to be within a specified area The OMR marks have to be in the correct location OCR is more accurate at reading detailed data Data read from an OCR can be manipulated by word processing software OCR requires manual intervention to change the scanned words. To gain full marks candidates must have correct answers for both similarities and differences 8(b) Two from, for example: 2 Lottery tickets Bar codes//QR codes Multiple Choice forms//Questionaries Attendance registers

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9(a)(i) Two from: 2 Absolute file paths contain a complete URL/full file path with file name Contents of the URL include protocol, the website's domain name, specific file, subfolder, page name – 1 mark awarded for at least two named Relative file paths only include a specific file or page This is relative to the current path//starts from the same folder as the web page. 9(a)(ii) One from: 1 If the web pages have moved then the references refer to an old/previous file path Hyperlinks will not work 9(b) Four from: 4 Similarities Both are links (in a web page) Both can be attached to icons/text/graphics Both are html tags used on web pages Both are used for navigation Both are coded as html tags starting with <A...> Differences An anchor allows the user to move from one part of a web page to another part. An anchor is a label that identifies a specific position in a document//An anchor is within a hyperlink An anchor needs a point set in the document and a link//A hyperlink only needs the link and a web address The code within an anchor will either be "name.." or "id.." An anchor determines a fixed point on a web page that is used as a bookmark An anchor can be placed at any point on a web page A hyperlink allows the user to move from one web page to another web page/website The code within a hyperlink can be "href..", "rel..”, “target..” A hyperlink can be attached to a block of text or image A hyperlink can be clicked on to cause another web page or part of the same web page to be displayed A hyperlink can redirect a user to an anchor by including its name A hyperlink is clickable To gain full marks candidates must have correct answers for both similarities and differences

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10(a) Two from: 2 Software that interacts through speech recognition Uses the spoken word/voice … … to carry out actions/control devices 10(b) Four from: 4 Benefits Allows for hands free control Safer than using a standard interface More useful for physically disabled users Drawbacks Limited access due to the number of commands stored More expensive to develop May not operate reliably due to background noise/speech impediment/accents Need to be ‘trained’ by the user Can be distracting if the commands are not understood To gain full marks there must be correct benefits and drawbacks

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11 Four from: 4 The SSD is more portable The seek time in the SSD is smaller The data transfer rate in the SSD is better/smaller There is less chance of the data becoming corrupted as it can save whilst the drive is being moved The SSD is smaller/thinner The SSD uses less energy SSD is more robust as no moving parts

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12(a) Two from: 2 Live or recorded content Delivered to computers/mobile devices via the internet Played back in real time/on demand. Allows the user to view the media without downloading it 12(b) Four from: 4 Benefits Instant access to the media Saves time rather than downloading/going to the shops No need for storage space as there is no copy Drawbacks Requires an internet connection Requires a good internet/bandwidth connection otherwise buffering Don’t get to keep the product Online security issue related to the subscription Technology could fail in the middle of the stream If media is downloaded it is time locked To gain full marks candidates must have correct answers for both benefits and drawbacks

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13(a) gif 2 One from: Used to store animated/moving images Used to store icons/simple logos jpg One from: Used to store photographic images Used to store graphics with complex colours and gradients 13(b) Six from 6 gif Graphics Interchange Format Supported by all web browsers Can be animated images Supports 8-bit colours/256 colours/limited Features background transparency Image quality never degrades with resaves jpg Joint Photographic (Experts) Group Supports 24-bit colours/16.7 million colours//More colours Image quality degrades slightly when a JPG is resaved. Uses lossy compression No background transparency Enlarging the image can cause pixelation Image quality is better To gain full marks candidates must have correct answers for both gif and jpg 13(c) Two from: 2 Change the resolution/quality of the image Reduce the colour/bit depth Change the compression method//Compress the file Reduce layers

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14(a) Proofreading 1 14(b) Validation 1 14(c) Verification 1