A museum is creating an interactive exhibit about local shipbuilding. Visitors will use a large touchscreen to search photographs, listen to recorded interv...
Question 1 Report
A museum is creating an interactive exhibit about local shipbuilding. Visitors will use a large touchscreen to search photographs, listen to recorded interviews and select a language. The exhibit computer must be hidden inside a locked cabinet. Viren, the museum technician, has drawn Fig. 1 to show possible input, processing, output and storage components. The museum expects school groups to use the exhibit for six hours each day. It needs equipment that is reliable, easy for visitors with different needs to use and simple for staff to update with new media files.
Fig. 1 is not drawn to scale.
(a) Which component in Fig. 1 is used to give sound information to visitors? State why this is an output device. [3]
(b) Describe four features of the exhibit software that would improve accessibility for a visitor with impaired vision or hearing. [4]
(c) Give four reasons why an SSD is suitable for storing the exhibit's photographs, audio and software. [4]
(d) Explain why the computer should be placed in a locked cabinet, while the touchscreen remains available to visitors. [3]
(e) State three checks staff should make after installing an update to the exhibit software. [3]
Answer Details
(a) Speakers provide sound information. [1] They produce sound for visitors, [1] so information travels from the computer to the user rather than being entered into the system. [1]
(b) Accessibility features include adjustable text size, high-contrast mode, text-to-speech/audio narration, subtitles/captions, large clear buttons, touchscreen navigation without a keyboard, and language selection. Any four. [4]
(c) An SSD loads large media files quickly, has no moving parts and so resists shock, runs quietly, uses less power/produces less heat, is compact, and is reliable for frequent use. Any four. [4]
(d) A locked cabinet prevents theft and unauthorised physical access to the computer. [1] It protects cables, ports and settings from damage/tampering. [1] The touchscreen remains accessible because visitors use it as the input and display interface. [1]
(e) Test touchscreen selections, speaker audio, photographs/videos, language and accessibility features, and authorised staff updating access. Any three. [3]
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