Computer Science (AS & A Level) · May / June 2024 · Paper 33 · Question 8

A declarative programming language is used to represent the features that are available and the features that are unavailable on different body styles of a car. 01 feature(sunroof). 02 feature(automatic_tailgate). 03 feature(heated_seats). 04 feature(extra_seats). 05 feature(reversing_camera). 06 feature(dashboard_camera). 07 feature(air_conditioning). 08 feature(heated_windscreen). 09 feature(satnav). 10 bodystyle(saloon). 11 bodystyle(hatchback). 12 bodystyle(estate). 13 bodystyle(minivan). 14 bodystyle(convertible). 15 available(sunroof, hatchback). 16 available(sunroof, minivan). 17 available(reversing_camera, hatchback). 18 available(extra_seats, minivan). 19 available(reversing_camera, saloon). 20 unavailable(sunroof, convertible). 21 unavailable(automatic_tailgate, saloon). 22 unavailable(extra_seats, hatchback). These clauses have the meanings: Clause Meaning 01 Sunroof is a feature. 10 Saloon is a body style. 15 Sunroof is available on a hatchback. 20 Sunroof is unavailable on a convertible.

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