Exam Flashcards

1
Q

In the metaverse, humans may be represented by a virtual self that is called an ____________ or a software agent.

avatar

immersive self

agent Smith

automated self

A

avatar

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2
Q

3D printing has many advantages and reasons why we can use it. 3D printing allows:

Quicker idea testing

Easier customisation of a product

Understand TinkerCad better

Print 10000 products

Poor infrastructure

A
  • Quicker idea testing
  • Easier customization of a product
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3
Q

_________ uses information about a customer’s behaviour, preferences, needs, and buying patterns to customize the entire relationship with that customer

A

technology-enabled relationship management

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4
Q

M-commerce devices are ideal for sending targeted messages to a particular ___________.

A

consumer

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5
Q

Credit and debit cards are a form of _______

A

e-money

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6
Q

Manufacturers can raise profitability and improve customer service by moving their supply chain operations onto the Internet.

True

False

A
  • True
  • Manufacturers can raise profitability and improve customer service by moving their supply chain operations onto the Internet, as it allows for better communication, efficiency, and real-time tracking.
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7
Q

One possible application of wearable computing is the incorporation of GPS technology in an item of clothing.

True

False

A
  • True
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8
Q

Which of the following is the most common method of 3D printing?

SLA (Stereolithography)

FDM (Fused Deposition Modeling)

DLP (Digital Light Processing)

SLS (Selective Laser Sintering)

A
  • FDM (Fused Deposition Modeling)
  • Widely used due to its accessibility, affordability, and versatility, making it popular among hobbyists and professionals alike.
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9
Q

What is one of the primary advantages of 3D printing compared to traditional injection molding?

Higher cost for printing complex parts

Longer turnaround time

Ability to create prototypes quickly and affordably

Limited access to medical products

A
  • ability to create prototypes quickly and affordably
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10
Q

In the traditional model of the SDLC, the question ‘what must the information system do to solve the problem?’ is answered in the ____ phase.

systems analysis

systems implementation

systems design

systems investigation

A
  • systems analysis
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11
Q

The primary advantage of JAD is that ____.

systems can be developed more quickly with significant cost savings

the company’s strategic business needs are emphasized, and the mechanics of the system are not stressed

the decelerated time cycle allows more time to develop quality, consistency, and design standards

it involves frequent group meetings which result in stronger organizational commitment to the project

A
  • it involves frequent group meetings which result in stronger organizational commitment to the project
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12
Q

A(n) ____ shows how users interact with the system when participating in a particular business process.

use case model

data model

activity model

network model

A
  • use case mode
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13
Q

Systems analysts use a(n) ____ to model the objects, associations and activities that are necessary to complete a business process.

data-flow diagram

use case model

grid chart

network model

A
  • use case model
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14
Q

Systems analysts use a(n) ____ to model the objects, associations and activities that are necessary to complete a business process.

data-flow diagram

use case model

grid chart

network model

A
  • data-flow diagram
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15
Q

In the traditional model of the SDLC, the question ‘what is the problem that needs to be solved?’ is answered in the ____ phase.

systems implementation

systems design

systems analysis

systems investigation

A
  • systems investigation
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16
Q

The RAD process expands on traditional methods, and as a result, the new system is built, delivered, and placed in operation much later.

True

False

A

False

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17
Q

JAD provides a fast-track approach to a full spectrum of system development tasks, including planning, design, construction, and implementation.

True

False

A

True

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18
Q

Joint application development (JAD) is a compressed version of the traditional SDLC.

True

False

A

False

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19
Q

Because of the limited range of input and interaction among participants, few companies believe that a JAD group produces the best definition of a new system.

True

False

A

False

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20
Q

A hot site is a computer environment that includes rooms, electrical service and telecommunication links, but no hardware.

True

False

A

False
- A hot site includes not only rooms, electrical service, and telecommunication links but also the necessary hardware, software, and data to resume operations immediately after a disaster

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21
Q

Before a new system is developed, it is important to identify the strengths and weaknesses of the existing system so that any shortcomings can be addressed.

True

False

A

True

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22
Q

Pressure to increase profitability and improve operational efficiencies often drives organizations to implement new approaches and technology.

True

False

A

True

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23
Q

Which phase takes all the detailed design documents from the design phase and transforms them into the actual system?

Testing phase

Analysis phase

Development phase

Planning phase

A
  • Development phase
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24
Q

__ creates a complete set of technical specifications that can be used to construct an information system.

Systems design

Systems investigation

Systems analysis

Systems development

A

Systems design

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25
Q

Which of the following is a useful policy to minimize waste and mistakes?

Changes to HTML and URLs should be documented and authorized by end users.

System report titles should be as brief as possible and should simply indicate the report number.

Users should implement proper procedures to ensure correct input data.

Tight control should be avoided over critical tables.

A

Users should implement proper procedures to ensure correct input data.

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26
Q

A program that disguises itself as a useful application but does something malicious that a user does not expect is ________.

an app

a trojan horse

a social programme

a worm

A

trojan horse.

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27
Q

_ states the principles and core values that are essential to a set of people and that, therefore, govern these people’s behaviour.

Code of ethics

Code of conduct

Code of civil procedure

Code of criminal procedure

A

Code of ethics

28
Q

Computer-related mistakes include organizations operating unintegrated information systems and acquiring redundant systems.

True

False

A

True

29
Q

Human error rather than hardware or software failure is the most common cause of information technology problem.

True

False

A

True

30
Q

Forms of e-money

A
  • Paying thru internet
  • Debit + credit cards
  • Mobile phone accounts
  • Smart Cards (eg gautrain card)
  • Contactless cards
31
Q

What is computer supported cooperative work (CSCW)

A
  • Technologies that allow groups to work together
32
Q

Provide example of CSCW

A
  • Podcasts + blogs
  • Messaging
  • Interactive whiteboards
  • Wikis
33
Q

Components of an AI system can include

A
  • People
  • Procedures
  • Hardware
  • Software
  • Data
  • Knowledge
34
Q

Define AI

A
  • A type of specialized system which takes on the characteristics of human intelligence
  • computer systems which could mimic or duplicate the functions of the human brain
35
Q

Provide example of disruptive technologies

A
  • Ubiquitous AI
  • Spatial Computing
  • Big Data
  • Autonomous Vehicles
  • Blockchain
  • Additive Manufacturing
  • Robotics
  • IoT
  • Quantum computing
36
Q

Provide examples of 3D printing techniques/printers

A
  • SLA
  • DLP
  • FDM (Fused Deposition Modeling) MOST COMMON
  • SLS
  • SL
  • EBM
  • LOM
  • BJ
  • MJ
37
Q

Define Augmented Reality

A
  • a view of the real world—physical world—with an overlay of digital elements.
38
Q

Define disruptive tech

A

Technologies that challenge or replace existing processes or products by introducing a more efficient or value-driven alternative.

39
Q

Types of 3D printers are selected based on what criteria

A
  • Speed
  • Process
  • Strength
  • Quality
  • Ethics
40
Q

Representation of virtuality continuum

A
  • On Low emersion = AR
  • In the middle = Mixed reality
  • High emersion = VR
  • Umbrella term - Extended reality
41
Q

Systems development involves

A
  • analysing problems
  • designing and building information systems to solve those problems
42
Q

Participants in systems development

A
  • Development team
  • Stakeholders
  • Users
  • Managers
  • Systems development specialists
  • Support personnel
43
Q

Systems development lifecyle

A
  1. Systems investigation
    - Understand prblm
  2. Systems analysis
    - Det what to do to solve prblm
  3. System design
    - Sln is planned out
  4. Systems implementation
    - Sln replaces old system
  5. System review and maintenance
    - New system is evaluated
44
Q

Factors affecting system development success

A
  • Involvement
  • Degree of change
  • Managing change
  • Quality and standards of project planning
  • Use of management tools
  • Use of computer-aided software engineering
45
Q

Evaluating and selecting a systems design

A
  • Preliminary evaluation
    » To dismiss unwanted proposals
    » Begins after all proposals have been submitted
  • Final evaluation
    » Detailed investigation of proposals remaining after preliminary evaluation
46
Q

Bespoke software characteristics

A
  • High cost
  • Software should exactly match needs
  • Quality can vary depending on the programming team
  • Can take years to develop
47
Q

Off-the-shelf software characteristics

A
  • Lower cost
  • Might not exactly match needs
  • Usually high quality
  • Can acquire it now
48
Q

Factors to consider during systems review

A
  • Training
  • Costs
  • Telecommunications
  • Database
  • Control
49
Q

Steps for system implementation

A
  • hardware acquisition
  • software acquisition
  • user preparation
  • personnel hiring and training
  • site preparation
  • data preparation
  • installation
  • testing
  • start-up
  • user acceptance
50
Q

Define computer waste

A

Inappropriate use of computer technology and resources
Examples;
- Spam
- Using corporate time and technology for personal use
- Building and maintaining complex systems that are never used to their fullest extent
- Discarding old software and computer systems when they still have value

51
Q

What are computer related mistakes

A
  • Errors, failures, & other computer problems that make computer output incorrect or not useful, typically caused by human error leading to wasted productivity
52
Q

How can you prevent computer-related waste and mistakes

A
  • Establish policies
  • Implement policies
  • Monitor and review implemented policies
53
Q

What are example of computer crimes

A
  • Phishing
  • Identify theft
  • Cyberterrorism
54
Q

Define antivirus

A

utility programs that prevent viruses and recovers from them if they infect a computer

55
Q

What are some computer usage health concerns

A
  • Repetitive stress injury (RSI)
  • Occupational stress
  • Carpal tunnel syndrome (CTS)
  • Emissions from improperly maintained and used equipment
56
Q

Define ergonomics

A

Science of designing machines, products, and systems to maximise safety, comfort, and efficiency of people who use them.

57
Q

What does the Association for Computing Machinery (ACM) and Association for Information Systems (AIS) code of ethics state

A
  • Be fair and take action not to discriminate
  • Honour property rights including copyrights and patents
  • Give proper credit for intellectual property
  • Respect the privacy of others
  • Honour confidentiality
58
Q

What is social media

A
  • Social media are platforms that allow users to create, share and obtain content
  • They use Web 2.0 tech
59
Q

What are positive aspects of social media for organisations

A
  • Helps to manage orgs brand
  • Meet customer expectation and needs
  • Reach larger customer audience
  • Promote your product or service through (mostly) free advertising
  • Test new products/services
  • Keep your customers informed
  • Keep an eye on your competitors
60
Q

What are negative aspects
of social media for
organisations

A
  • Damage to the brand
  • Fake news
  • Hacking
  • Social media scams/fraud
  • Cyberloafing
61
Q

How to protect yourself on social media

A
  • Use strong passwords
  • Don’t post personal details
  • Make your accounts private
  • Steer clear of strangers
  • Delete old social media profiles
  • Install anti-virus software
  • Be careful when using public Wi-Fi
62
Q

What are some design principles that affect user XP(UX)

A
  • Mapping
  • Consistency
  • Feedback
  • Visibility
  • Constraint
63
Q

What are UX goals

A
  • Satisfying
  • Enjoyable
  • Surprising
  • Rewarding
  • Challenging
  • Engaging
  • Exciting
64
Q

What are usability components

A
  • Effectiveness
  • Efficiency
  • Satisfaction
65
Q

What are usability goals

A
  • Learnability
  • Effectiveness
  • Efficiency
  • Memorability
  • Safety
  • Errors
  • Utility
  • Satisfaction