Question $4$

$[24]$

Study the following scenario and answer questions that follow.

An Information System needs to be developed for ABC Motors company. ABC Motors is a company that

imports and sells brand new as well as reconditioned motor vehicles. Currently, the company deals only

with motor cars and SUVs. They are planning to expand sales to passenger vans and motor coaches as

well. Important information regarding each vehicle is chassis number, engine number, make, model,

year of manufacture, vehicle type, fuel type, mileage, purchased price and selling price. There are

different options that may be available with vehicles such as power mirrors, power shutters, retractable

mirrors, cruise control, multifunction keys, push start, etc. Each vehicle may have one or more of these

options. Information about customers who buy a vehicle needs to be recorded. ID$/$Passport number,

name, address and contact number are important. Customers can pay for a purchase using different

types of payment methods. A payment clerk enters the payment details into the system.

Customers who have purchased vehicles from ABC Motors can upgrade their vehicles after using them

for some years b

y exchanging the old vehicles with the new vehicles. The old vehicle is valued, and that

value known as exchange value is given as a discount for the new vehicle purchase. Information

regarding the exchange is maintained.

There is a warranty period for vehicles sold by ABC Motors. For a brand$-$new vehicle, $50000$ km warranty

is given and for a re$-$conditioned motor vehicle, warranty is for $25000$ km$.$ Customers can claim for a

free repair of the vehicle during this period if some fault occurs. Information regarding such repairs is

also maintained. Customers can view such information after logging into the system. The manager of

ABC Motors should be able to get different types of reports regarding purchases and sales. Customer

details, purchase requests, maintenance requests are handled by the registration clerk$\mathrm{.}3$

$*$

ICT$2622$

Oct$/$Nov $2023$

$4\mathrm{.}1$ List the actors in the system.

$(4)$

$4\mathrm{.}2$ Identify five $(5)$ use cases for the above system.

$(10)$

$4\mathrm{.}3$Customer$$ is one of the classes identified in the system.

a$)$ Identify four $(4)$ attributes of the $$Customer$$ class.

$(4)$

b$)$ Identify three $(3)$ possible methods in the $$Vehicle$$ class.

$(6)$