Question B$2$

Peter recently lost his mobile phone. He would like to buy a second$-$hand mobile phone online. He found a website called ABC$-$Trade.com that people can buy and sell products to each other.

$($a$)$ What type of e$-$commerce does

ABC$-$Trade.com belong to$?$

$(2$ marks$)$

$($b$)$ Apart from the e$-$commerce type in $($a$),$ state other TWO types of e$-$commerce activities that can be found on the Internet and give ONE example for EACH ${?}_{(})$ type.

$(4$ marks$)$

$($c$)$ State TWO advantages and ONE disadvantage in buying products online. Justify your answers with explanations.

$(6$ marks$)$

$($d$)$ When Peter enters ABC$-$Trade.com, the website displays a consent banner asking him to accept cookies. Give ONE use case of cookies in

ABC$-$Trade.com.

$(3$ marks$)$

Question B$3$

Mary is YouTuber. She needs a lightweight computer to draw graphics when she is outside. Also, she needs a new desktop computer for editing videos. After buying these new computers, she does intensive graphic drawing and video editing for almost $10$ hours every day. She finds that she is suffering from pain. After consulting for medical advice, the doctor mentioned that the cause of Mary's pain is related to repetitive strain injury $($RSI$).$

$($a$)$ Suggest ONE ${?}_{(})$ input device for Mary to do graphics drawing in the lightweight computer.

$(2$ marks$)$

$($b$)$ Suggest the MOST appropriate type of computer for Mary to do graphics drawing. Justify your answer with reasons.

$(4$ marks$)$

$($c$)$ According to the principle Sustainable Electronics Management $($SEM$),$ give TWO suggestions for Mary to handle her old desktop computer and ONE suggestion on what she should do before disposing the devices.

$(6$ marks$)$

$($d$)$ Give ONE ${?}_{(})$ example of repetitive strain injury $($RSI$)$ and state its cause.

$(3$ marks$)$

P

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