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PAI621S - PRINCIPLES AND APPLICATION OF INFORMATICS - 1ST OPP - NOV 2023 |
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nAmI BI AunIVER s ITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF COMPUTING AND INFORMATICS
DEPARTMENTOF INFORMATICS
QUALIFICATION:BACHELOROF INFORMATICS
QUALIFICATIONCODE:07BAIT
LEVEL: 6
COURSECODE: PAl621S
SESSION: NOVEMBER 2023
COURSE: PRINCIPLES AND APPLICATION OF
INFORMATICS
PAPER:THEORY
DURATION: 3 HOURS
MARKS: 70
FIRSTOPPORTUNITYEXAMINATION QUESTION PAPER
EXAMINER(S):
Dr lrja Shaanika
MODERATOR:
Ms Albertina Shilongo
INSTRUCTIONSFORTHE 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.
J 1. Calculator.
PERMISSIBLEMATERIALS
THIS EXAMINATION PAPERCONSISTSOF 5 PAGES
(INCLUDINGTHIS FRONTPAGE)
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SectionA: True and FalseQuestions
[15 marks)
1. Lack of mass adoption means that the technology's commercial viability is unproven in the
Innovation Trigger phase.
[1 mark]
2. In the first phase of the Gartner Hype Cycle which is the Innovation Trigger - the technology
is accessible only to limited entities such startup firms.
[lmark]
3. Unlike other innovations, IT innovations have this in particular: they all reach the plateau of
the productivity phase.
[lmark]
4. Like the domain expert, the process analyst is familiar with all the details of the business
process.
[1 mark]
5. Process identification is continuous by nature to enable organisation to maximise profit.
[1 mark]
6. A business process architecture can have more than three levels.
[1 mark]
7. When two or more activities are not interdependent, they are concurrent.
(1 mark]
8. With XOR-split routes at least two outgoing branches can be taken.
(1 mark]
9. Joins have one incoming sequence flow and multiple outgoing sequence flows (representing
the branches that diverge.
[1 mark]
10. Collapsing a sub-process implies losing its content.
(1 mark]
11. Automatic process discovery is part of the workshop-based discovery.
(1 mark]
12. Conducting interviews in a backward way permits us to follow the flow of processing in the
order of how it unfolds.
(1 mark)
13. Steps that do not add va_lueto the customers mean they are not necessary for the business.
[1 mark]
14. Why -why diagram depicts the relationship between a given negative effect and its causes.
[1 mark]
15. One of the reasons for re-designing an existing business process relates to the organic nature
of the organisation.
[1 mark]
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SectionB:Short Questions
Analyse the Gartner Hype Cycle illustrated below and answer the following questions.
(25 marks]
Hype Cycle for Enterprise Networking, 2019
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Fuowall os o Sorvico
M11lllcloudNolwo1kl110
Network On-Domond Sorv,cos
Umvorsot CPE
V)
C:
-0 ~
iai.:
)(
Cl>
Low Enrth Orbll Snlolhlo Syatoms
50 So,vlcos
NVMe-ol'
Edgo Notworklng
400 Gbps Ethornot
Softworo-Dofinod Cloud
Interconnect
Sorvico Mesh _....-:
Enhuncod lntornot Dolivo,y .../.
Sito RehobllilyEnginoe,1119_/l
Securo Access Service Edgo
/ Notwo,k Alltomolion
~....- W1,F10 (802. I lox)
lnlont-Bosod Notworkmg
l Hyb1ldWAN
Cloud-Monogod
7 Notwo1k&
~6°'- IPv07
bl SD•WAN - .•
O
802 I Inc Wovo 2
Network Po1fo1rnoncoMonitoring
ll ond Dlag11ostlcsTools
Elho1nol Sw,tchlng Fobllc
M1crosogmontotion
Software-Defined Networkmg
25150GEthernot
Bnle-Box Switching
2.5/5 Gbps Ethomet
As of July 2019
lnnovallon
rriuJor
Pu.ik of
lntlatod
r·xpocl lion,
Trough •>f
Oi5illll 101110 nt
tilopo of
Lnllnht ,11111011(
Pl.,to"u or
Pwduc.tiv1ly
Plateau will ho roachod:
0 Ins. than 2 year• O 1 to!:>yc.irs
limo
e !:>to 10 yea,,, 1::,,morl' 111.,1110 yc.1r.
© obqol~to hofo111 J)lat,uu
Source Gartner
ID 377401
Question 1: Discussthe Gartner hype cycle timeline and its implications for technology investments.
(5 marks]
Question 2: Discussthe characteristics of the technology at the Innovation Trigger phase. (4 marks)
Question 3: Briefly explain why in the Trough of Disillusionment phase only a small percentage of the
organisations are adopting the technology.
(4 marks]
Question 4: Distinguish between the roles of a process analyst and of a domain expert in the process
modelling project:
(5 marks)
Question 5: Imagine carrying out a process discovery project in a political environment where groups
of stakeholder's fear loss of power, loss of influence or loss of position, which discovery methods would
you use to maintain maximum objectivity?
[3marks)
Question 6: The cycle time of an activity or a process can be divided into waiting time and processing
time. Differentiate between waiting time and processing time.
[4marks)
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Section C: PracticalQuestions:
[30 Marks]
Question 1: For each of the graphical notations shown below, state the name and its purpose in the
business process modelling project.
[10 marks]
Graphical notation
o--------------•
a)
b)
...
Name of notation
purpose of the graphical
notation
c)
I I It
I I I I I It
III II
LJ
d)
D e)
Question 2: Calculate cycle times for the following process model. Show all the necessary steps of how
you arrived at the answer.
[10 marks]
order only contains
Arnsturdam JHodlmls
Forward sub-
ordor to
Amsterdam
wuruhousa
C
Ordor
received
Chock ordor
line items
order only contains
Harnlluro products
Forward sub-
ordor to
Hamburg
warehouse
order contains
both Amsterdam
· and Hamburo
products
Forward sub-
order to
Amsterdam
warehouse
Forward sub-
order to
Harnllurg
wnrohouso
Rogistor
order
Order
completed
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Question 3: Transfer the following verbal description into a business process management notation
(BPMN).
(10 marks]
a) An offer is required to be made by the sales department of a specific company. At this point, the
commercial manager has to perform a feasibility check based on the business requirements & needs
to ensure that the offer is feasible.
b) If the offer is not feasible, the customer has to be informed and at this point, the process ends after
informing him.
c) If the offer is feasible, the personnel needs & availability have to be checked. After clarifying the
availability based on the business resources, the offer has to be created by the commercial employee
and the process ends with creating the offer.
The End
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