Exam prep

Question 1

Analysts Mindsets

Answer 1

Cowboy 
Magician 
Master 
Cataloguer  
Methodists

Question 2

Cowboy

Answer 2

Not worried about analysis/design
more focused on getting programming done and to the client
Does minimal Analysis/design

Question 3

Catologuer

Answer 3

more focused on producing document (analysis/design)
Focused on producing documents with all artifacts
more focus on developing the artifacts rather than the system

Question 4

Methodist

Answer 4

Adhering to methods to help analysis and design

requirements are also controlled by the methodology

Question 5

Magician

Answer 5

Believes their own skill and ingenuity
Isn’t good at explaining how they created the system
They have a variety of skills that helps them complete the task

Question 6

Master

Answer 6

can easily switch from looking at the whole system overall to looking at smaller sections
excellent understanding and skill in analysis and design
strength: ability to teach others
Weakness: teach ability lowers productivity

Question 7

Activities of a system analysis

Answer 7

Gather detailed Information 
Define requirements 
Prioritize Diagrams 
develop user interface dialog's 
evaluate requirements with users

Question 8

What is a process (DFD)

Answer 8

an activity that changes or transforms data flows.

Since they transform incoming data, all processes must have inputs and outputs on a DFD

Question 9

Data store

Answer 9

generally do not generate any operations, but simply hold data for later use

Question 10

data flow

Answer 10

movement of data between external entities, processes and data stores, arrow indicates the direction of flow

Question 11

external entity

Answer 11

also known as actors, source etc. external entities that produce and consume data flows between the entity and the system being diagrammed

Question 12

real time link

Answer 12

communication back and fourth between external entities while a process is taking place

Question 13

three parts of an ERD diagrma

Answer 13

Entities
Relationships
Cardinality constraints

Question 14

Core process of SDLC

Answer 14

Identify the problem and obtain approval
Plan and monitor the project
Discover and understand details
design system components
build, test, and integrate system components
complete system tests and deploy the situation

Question 15

values of agile development

Answer 15

responding to change over following the plan
individuals over processes and tools
customer collaboration over contract negotiation
Working software and comprehensive documentation

Question 16

metaphors

Answer 16

Direct manipulation
desktop
dialog
documentation

Question 17

Direct manipulation metaphor

Answer 17

objects on display look similar to physical objects that represent them

Question 18

desktop metaphor

Answer 18

visual display has tools on the perimeter while working area in the middle

Question 19

dialog metaphor

Answer 19

when the user and computer accomplish a task by engaging in conversation

Question 20

Documentation metaphor

Answer 20

metaphor in which data is visually represented in pages or forms

Question 21

affordance

Answer 21

the appearance of objects suggests its function

Question 22

consistency

Answer 22

across platforms
within a suite of platforms
within a particular application

Question 23

continuity

Answer 23

consistency across releases overtime

Question 24

discoverability

Answer 24

to help users discover “hidden” features or objects
active discovery- mouse hovers, pop-ups, tool tips
Visual diagrams to help guide users

Question 25

closure

Answer 25

closure on dialogues
protect users work
allow to go back

Question 26

readability and navigation

Answer 26

readable text by all users
clear navigation
ability to go backwards

Question 27

usability and efficiency

Answer 27

shortcut keys for experienced users
meaning full error messages
simplicity

Question 28

desktop and laptop UI

Answer 28

layout formatting

Question 29

data entry

Answer 29

textboxes, list box, combo box, radio buttons, check boxes

include online editing to minimize errors

Question 30

navigation and visibility

Answer 30

minimize, maximize, scroll bars, close, resize

Question 31

technqiues for navigation

Answer 31

drop down menus
sections
breadcurmbs
metaphor

Question 32

risk and feasbility analysis

Answer 32

technological
resources
organisational
schedule

Question 33

technological risk

Answer 33

new systems require new technology with accomopanying risks

Question 34

organisation risk

Answer 34

is the organisation and employees ready for the new system

Question 35

resource risk

Answer 35

does the organisation have sufficient resources and people with required skills

Question 36

scedhule risks

Answer 36

is the schedule realistic and goals achievable in that time

Question 37

Cloud computing technologies

Answer 37

Software as a Service (SaaS
Infrastructure as a Service (IaaS)
Platform as a Service (PaaS)

Question 38

Software as a Service

Answer 38

where a business subscribes to an application it accesses over the internet

Question 39

Platform as a Service

Answer 39

where a business rents hardware, operating systems, storage and network capacity over the internet

Question 40

Infrastructure as a service

Answer 40

a provision model in which an organisation outsources the equipment used to support operations, including storage, hardware servers and networking components

Question 41

Advantages of cloud computing

Answer 41

cost savings
user friendly
reliable
strategic edge

Question 42

Disadvantages of cloud computing

Answer 42

downtime
security –> someone else managing data
limited control
vendor lock –> might have difficulties in using vendors