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PAI621S - PRINCIPLES AND APPLICATION OF INFORMATICS - 1ST OPP - NOV 2024 |
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n Am I BI A u n IVER s ITY
OF SCIEn CE Ano TECHn OLOGY
FACULTY OF COMPUTING AND INFORMATICS
DEPARTMENT OF INFORMATICS
QUALIFICATION: BACHELOR OF INFORMATICS
QUALIFICATION CODE: 07BAIT
LEVEL: 6
COURSE CODE: PAl621S
COURSE: PRINCIPLES AND APPLICATION OF
INFORMATICS
SESSION: NOVEMBER 2024
DURATION: 3 HOURS
PAPER: THEORY
MARI<$: 70
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER($):
Dr lrja Shaanika
MODERATOR:
Mr Gabriel Nhinda
INSTRUCTIONS FOR THE CANDIDATE
1. Answer ALL the questions on the answer scripts provided. Answer EACHsection on
a new page.
2. Write clearly and neatly.
3. Be guided by the number of marks allocated when answering the questions.
4. Show all your calculations.
5. Number your questions clearly.
I1. Calculator.
PERMISSIBLEMATERIALS
THIS EXAMINATION PAPER CONSISTS OF 7 PAGES
(INCLUDING THIS FRONT 'PAGE)
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Section A: Multiple Choice Questions
Each question is 1 mark.
[10 Marks]
1. If a task has two input arcs, it is the same as if the task was preceded by an?
A) Xor- split
B) Xor-join
C) AND-split
D) AND- join
2. An IT hardware store provides a Web front-end allowing its customers to purchase IT
equipment online (e.g. tablets, laptops, accessories, printers). In the context of the
order-to-cash process of this company, which of the following is likely to be modelled
as a data store?
A) The shopping cart of a customer purchasing via the Web front-end
B) The history of a customer's past purchases
C) An invoice
D) The store's product catalogue
3. Which
.,D notation
represents a text annotation?
A) Symbol a)
B) Symbol b)
C) Symbol c)
D) Symbol d)
b) [
c) (
d) ,- -
'--.
• ~.
I
4. Which graphical element describes an association?
a) o- - -I>
b) .........-. >
c) ........{.>.
d)
A) Graphical element a)
B) Graphical element b)
C) Graphical element c)
D) Graphical element d)
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5. At first, a customer wants to book a hotel. Then he wants to book a flight and a car or
only a car or only a flight. Which diagram describes this situation?
BookF~t
A)
Book Holel
B)
Book flight I
Book car
Book Hotel
C)
Book Hotel
D)
Bookllight
Bookc:ar
6. Which of the following refers to the activities that take place in the first phase of the
Gartner hype cycle?
A) R&D and Mass media hype begins
B) R&D and Negative press begins
C) R&D and less than 5% adoption
D) R&D and consolidation and failures
7. Which phase best describes the following statement: The technology is accessible only
to limited entities such as research labs and startup firms:
A) Trough of Disillusionment
B) Slope of Enlightenment
C) Innovation Trigger
D) Plateau of Productivity
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8. In a process-oriented organisation, who is directly accountable for poor performance
of a process?
A) The process participants
B) The executive management team
C) The process owner
D) The process analyst
9. When two or more activities are not interdependent, we incorporate ___
modelling.
A) ExclusiveJoin Gateway
B) Join AND Gateway
C) Events and Activities
D) Arch
in their
10. Which of the following are possible reasons for decomposing a process model into
sub-process models?
A) When there are too many end events in a process model and we wish to reduce their
number
B) When two events of the same type cannot be linked by a sequence flow
C) When there are too many crossing arcs in the model
D) When we want to avoid redundancies between multiple process models that share
common parts
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SectionB:True and FalseQuestions
(10 Marks]
1. Unlike other innovations, IT innovations have this in particular: they all reach the
plateau of the productivity phase.
2. An organisation cannot outperform another organization offering similar kinds of
services if it has better processes and executes them better.
3. In the first phase of the Hype Cycle (Innovation Trigger) - the technology is accessible
only to limited entities such as startup firms.
4. The evaluation phase is concerned with the development of detailed process models.
5. Intermediate specialist refers to the capabilities of the work when People started to
specialize in the art of delivering one specific type of goods, such as pottery, or
providing one particular type of service, such as lodging for travellers.
6. For effectiveness, activities and events must be performed sequentially.
7. An exclusive (XOR) gateway can be used to model repetition.
8. The objective of the designation phase is to gain an understanding of the processes an
organization is involved in as well as their interrelationships.
9. Since each discovery method has strengths and limitations, it is NOT recommended to
utilize a mixture of the methods in a discovery project.
10. Lack of mass adoption means that the technology's commercial viability is unproven
in the Innovation Trigger phase.
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Section C: Structured Questions
[30 Marks]
Question 1: The fact that modelling knowledge and domain knowledge is often
available in different persons in a modelling project has strong implications. List and
discuss three challenges of process discovery.
[9marks]
Question 2: As a country, we are at the 4th industrial stage. Discussthe worker's focus in the
4th industrial times.
[3 Marks]
Question 3: Is there a linkage between the Porter Value chain and the company's
competitive advantage? Justify your answer.
[5 Marks]
Question 4: Propose and discuss which criteria organisations can use to evaluate process
priority.
[9 marks]
Question 5: What is a global process and state its advantages in the process
modelling project.
[4 Marks]
Section D: Practical Questions
[20 Marks]
Question 1: Model the following fragment of a business process for approving a loan
application.
(10 Marks]
Once a loan application has been approved by the loan provider, an acceptance pack is
prepared and sent to the customer. The acceptance pack includes a repayment schedule
which the customer needs to agree upon by sending the signed documents back to the loan
provider. The latter then verifies the repayment agreement: if the applicant disagreed with
the repayment schedule, the loan provider cancels the application; if the applicant agreed,
the loan provider approves the application. In either case, the process completes with the
loan provider notifying the applicant of the application status
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Question 2: Calculate the cycle time for the process below.
A
0
(10)
(20)
0
(20)
0.8
The End
[10 marks]
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