Pearson Edexcel International GCSE In Information and Communication Technology (4IT1) Paper 01: Written Paper Mark Scheme (Provisional) Summer 2021. latest graded A+

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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) http://britishstudentroom.wordpress.com/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) 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) http://britishstudentroom.wordpress.com/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) 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) http://britishstudentroom.wordpress.com/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 latters C, A, B (2) 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 [Show More]

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