earson Edexcel International GCSE In Information and Commiuncation Technology (4IT1) Paper 01: Written Paper Mark Scheme (Results) Summer 2021. 100% Approved Pass rate

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Question Number Answer Do Not Accept Additional Guidance Mark 1a Any two from: • Wi-Fi • Bluetooth • GPS • 3G • 4G • 5G • Infra-red (IR) • Near-field communication (NFC) Ac ... cept any other appropriate wireless connectivity type (2) Question Number Answer Do Not Accept Additional Guidance Mark 1b Any two from: • Hard disk / Magnetic disk • Flash (disk) / Solid state • Optical (disk) • (Magnetic) Tape • Cloud Reference to storage device, rather than the media it uses e.g. Hard drive, disk drive etc. USB stick, USB drive, pen drive. Accept either ‘disk’ or ‘disc’ Accept examples (e.g. ‘Blu-ray’ for ‘optical disk’) (2) Question Number Answer Mark 1c The only correct answer is B – ISP A is not correct because GPS is used to locate devices, rather than connect to the Internet C is not correct because LAN is a type of network, not a method of connectivity D is not correct because NFC is short-range peer-to-peer connectivity, rather than Internet connectivity. (1) https://britishstudentroom-b430a.web.app/Question Number Answer Mark 1d The only correct answer is D – Processor A is not correct because control software is a specialist application that can be installed as required B is not correct because a keyboard is not always needed (e.g. in some embedded systems) C is not correct because operating systems are not found in all computers (e.g. some embedded systems). (1) Question Number Answer Mark 1e The only correct answer is A - Laptop B is not correct because a mainframe would be too bulky to use as a desktop replacement computer C is not correct because a media player would not have the resources required to replace a desktop computer D is not correct because a server stores shared data that can be accessed by clients. (1) Question Number Answer Do Not Accept Additional Guidance Mark 1f A description to include two linked points from: • Portability • Internet connectivity • Cloud storage • Hosted applications • Collaboration e.g. Workers can connect to the Internet (1) to access cloud storage (1) Reference to cost Award understanding, rather than use of ‘mark scheme terminology’. e.g.: • You can access Internet apps (1) to work with others (1) • It is light (1) so you can transport it easily between work and home (1) (2) https://britishstudentroom-b430a.web.app/Question Number Answer Do Not Accept Additional Guidance Mark 1g • 1 mark for sight of 8 (or 23) • 1 mark for sight of 1024 • 1 mark for complete expression: 16 x 10242 x 8 Accept for 10242 • 1024 x 1024 • 220 Although not required by the question, award all three marks for the result of the calculation: 134,217,728 1000 for 1024 Award 1 mark for sight of: 16,777,216 OR 16,384 as implies sight of 1024 Award 2 marks for sight of: 8,388,608 OR 8,192 OR 131,072 as implies sight of 8 AND 1024 Example of a two-mark response: • Sight of 8 • Sight of 1024 Example of a three-mark response: (3) Question Number Answer Mark 1hi One mark for one item in the correct location. Two marks for all items in the correct location. Award if the correct drives given, rather than letters C, A, B (2) https://britishstudentroom-b430a.web.app/Question Number Answer Do Not Accept Additional Guidance Mark 1hii Two descriptions, each to include two linked points from: • Mechanical process • Latency • Read/write head • Non-sequential data • RPM • Platters / disk(s) e.g. The latency (1) of the read/write head (1) The revolutions per minute (RPM) (1) at which the platter/disk spins (1) Two marks are available for each linked response. A single mark can be awarded for an appropriate independent point. Award understanding, rather than use of ‘mark scheme terminology’. e.g.: • If the read head is slow (1) in getting to the data (1) • It uses a motor (1) to spin the disk (1) (4) https://britishstudentroom-b430a.web.app/Question Number Answer Do Not Accept Additional Guidance Mark 1hiii Award one mark for a benefit e.g.: • It is more sustainable • Reduces/mitigates the impact on the food chain • Less need to find more raw materials and one mark any one reason for that benefit, e.g. • less plastic used • fewer precious metals used/required/mined • it stops waste materials leaking into the ground/water supply/food chain • less energy/fossil fuel used in the production process Examples of linked responses: It is more sustainable (1) because fewer precious metals used/required/mined (1) Reduces/mitigates the impact on the food chain (1) because fewer waste materials leak into the ground/water supply/food chain (1) The need to mine more is delayed (1) because precious metals are reused (1) Non-renewable resources like oil are not depleted (1) because less plastic is used (1) (2) Question Number Answer Mark 1hiv The only correct answer is D - Utility A is not correct because control software creates an output based on input(s) B is not correct because office-productivity software is centred on creating documents and manipulating data C is not correct because project management software allows users to plan, collaborate and work towards deadl [Show More]

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