Edexcel ICT Insider

Nihal arrives at a hotel. (a) Nihal fills in a form at the hotel reception desk. State one use of OCR . (1) OCR can recognize characters. (b) Nihal connects his laptop to the hotel's local area network. (i) Explain one advantage of using Media Access Control (MAC) addresses rather than Internet Protocol (IP) addresses to identify devices on a local area network. (2) MAC addresses can provide a more reliable and efficient way to identify and track individual devices on a local area network, compared to using IP addresses alone. (ii) State two issues caused by not identifying devices correctly on a network. (2) 1 If devices on a network are not properly identified, it may cause security risks. 2 If devices on a network are not properly identified, it can lead to network performance problems. (iii) Complete this sentence by adding the correct network devices. (2) A local are network uses a router to control devices, whereas a wide area network uses a gateway to control local area...

Nihal travels for work and holidays. He uses ICT to plan his travel and for entertainment. Nihal uses a camera and camcorder when travelling. (a) State one use of a camcorder. (1) A camcorder is used to capture moving images. (b) Which one of these is a wired connectivity type? (1) A GPS B USB C WEP D Wi-Fi B USB (c) Which one of these is a reason why Wi-Fi is a better choice than Bluetooth for transferring files? (1) A Data cannot be intercepted B Higher bandwidth C Higher latency D Only work with secure files B Higher bandwidth (d) Nihal uses a social network to send photographs of his holiday to his friends. (i) Explain one drawback to Nihal of sharing his photographs online using a social network rather than using email. (2) Nihal has less control of who can access them because it is easier for people in social network to re-share them and they can be then used for fraudulent activities. (ii) State who owns copyright to Nihal's photographs. (1) Nihal owns the copyright to ...

Letta downloads software to her laptop. (a) Explain two reasons why locally installed software is used for editing video. (4) 1 Faster access is required to the processor because video editing is processor intensive. 2 File data loads more quickly because there is no network delay . (b) State two purposes of communication software . (2) 1 Communication software provides remote access to systems and allows users to contact people using the internet. 2 It can be used to send files and messages as text, images, audio and video. (c) Explain why systems software should be updated regularly. (2) Systems software should be updated regularly to add new features because the user may want to carry out new tasks and to fix security vulnerabilities or bugs because new threats could be released.\ (d) List two peripheral devices that could be used to input text by people who are unable to use a mouse and keyboard. (2) 1 Microphone 2 Touchscreen (e) Explain one benefit of using defragmentation ...