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Semester Two 2021

INFOSYS 110

DIGITAL SYSTEMS

1 Using the information from the exam case, suggest

a. O ne output item mentioned that has been historically non-digital, but has now become “digital-first” . Briefly explain your answer. [2]

b. O ne example of a TPS and one example of a DSS that Mojo could utilise in the process of generating such useful information. [2]

c . Two examples of data collected by your TPS and two examples of information generated by your DSS . [4]

Construct your answer using the follow ing template. Copy and Paste it into the answer area and fill in your answers accordingly:

a. The "Digital-First" item: Explanation:

b. O ne example of TPS: O ne example of DSS:

c. Data example 1: Data example 2:

Information example 1:

Information example 2:

2 Mojo spreads across 35 locations . Mojo has the option of either having a single information system running with a centralised database or, allowing each store to run and maintain its own information system , each with its own database.

Based on what you have learnt from INFOSYS110, which option makes more sense for Mojo? Explain your recommendation. [3]

Suggest two advantages and two disadvantages associated with your recommendation [4].

Your recommendation:

Explanation for your recommendation:

Advantage 1:

Advantage 2:

Disadvantage 1:

Disadvantage 2:

3 When a customer enters the store and scans the app, the counter staff get shown:

1. what drink the customer normally orders and;

2. a prompt to suggest an accompanying snack that the customer is likely to enjoy based on their, and other customer’s , past choices .

a. What type of analytics is being utilised in 1? J ustify your answer. [2]

b. What type of analytics is being utilised in 2? J ustify your answer? [2]

c . What type of unsupervised data mining technique might be used for 2? J ustify your answer. [2]

a. Type of analytics utilised in 1: Justification:

b. Type of analytics utilised in 2: Justification:

c. Type of unsupervised data mining technique: Justification:

4 Mojo are given the following visualisations:

Visualisation 1:

Visualisation 2:

a. Identify two insights that Mojo can derive from visualisation 1 and how they might apply them in their business . [4]

b. Identify two insights that Mojo can derive from visualisation 2 and how they might apply them in their business . [4]

c . Identify two reasons why it might be risky for Mojo to rely on these visualisations when making business decisions . [4]

d. Identify an example of the use of pre-attentive processing in visualisation. [2]

a. Visualisation 1 Insight 1: Application: Insight 2: Application:

b. Visualisation 2 Insight 1: Application: Insight 2: Application:

c. Reason 1: Reason 2:

d. Example:

5 The Mojo Team is looking to enhance the functionality of their app and have kicked off a project to enable customers to pre-order their coffees on the app. The idea is that customers place their orders on the app and then, when they reach the store, they scan in, and the in-store staff start making their coffees . It is anticipated that reduced wait times will allow for increased customer satisfaction and also for more orders to be processed during busy times .

The project manager estimates that this project will take about 3 months to implement and cost Mojo about $50 000 in one off costs , and about $5 000 per annum in ongoing maintenance costs . Mojo is estimating a 10% increase in profit per annum , because of this initiative.

a. What makes this a project? State three characteristics about this work that qualifies it as a project rather than BAU (Business as usual). Briefly explain how each of the characteristics apply. [3]

b. What is the time constraint in this project? Be specific as definitions will get no marks . [ 1]

c . What is the cost constraint? Be specific as definitions will get no marks . [ 1]

2 months into the project J ulie G ianoutsos points out that if the Mojo app could utilise the GPS functionality of modern phones to detect when the customers are on the way to the store. She suggests modifying the app so that the barista gets a notification to start making the coffee when a customer is within 200 metres of the store.

d. If this was to be actioned, then what would be the likely impact on the project in terms of the project management triangle? J ustify your answer. [2]

e. Explain how this added functionality could benefit Mojo. [2]

f. Explain how this added functionality could hurt Mojo. [2]

a. Characteristic 1:

Explanation:

Characteristic 2:

Explanation:

Characteristic 3:

Explanation:

b. Time constraint:

c. Cost constraint:

d. Impact:

Justification:

e. Explanation (benefit Mojo):

f. Explanation (hurt Mojo):

6 Mojo has decided to store all the ordering, payment and customer data utilised by the app on the Amazon Cloud rather than storing them on their own computers .

a. Why would they choose to do that? [1]

Mojo realise that if they have access to their customers’ GPS data, they could send alerts with incentives for customers to pop in to their stores whenever a customer was within 100 metres of the store.

b. They are wondering if this is ethical. If they used the “ rights approach” ethical framework then how would you advise them? J ustify your answer. [2]

O ne of the baristas accessed the database to look up a customer's phone number to ask them out on a date.

c . Which information security principle is this violating? J ustify your answer. [2]

d. Which of the four risk management responses is the most appropriate one to use to resolve this risk? In justifying your answer outline how your response could be actioned.[2]

a. Why?

b. Advice:

Justification:

c. Information security principle:

Justification:

d. Appropriate risk management response:

Justification:

7 A part-time staff at Mojo is currently an INFOSYS110 student with a passion in computer programming. During quiet times at work , he contemplates about the code required for Mojo’s digital loyalty programme, where patrons get a free coffee after nine drinks are purchased at Mojo.

Being a beginner in coding, he came up with a basic idea where the app may ask a customer the following question:

“How many drink(s) have you purchased?”

Upon answering this question by inputting a numerical value, the app will process this data and inform the customer about whether they are eligible for a free coffee, or how many more drink(s) they have to purchase before they get a free one. Responses from the app may therefore be one of the two options below:

“You are eligible for a free coffee!”

O r

“You will have to purchase X more drink(s) to get your free coffee!” (where X is the number of additional drink(s) required).

To facilitate this , the following JavaScript code is proposed (with blanks A to E):

var cupsPurchased = (A) ("How many drink(s) have you purchased?");

(B) (cupsPurchased <= 8) {

} else {

____(E)____("You are eligible for a free coffee!")

}

Based on the description and the partial code above, fill in blanks A to E . [1 each]

c .

f. There is a major flaw in the practicality of the code given in this question that may significantly impact Mojo’s business . Suggest what such flaw is and briefly describe how it may negatively impact Mojo. [2]