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CAT TERM TEST Flashcards

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1
Q

What is green computing?

A

The study of designing, manufacturing, using, and disposing of hardware, software, and networks to reduce their environmental impact.

Focuses on efficiency and biodegradable materials.

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2
Q

Give examples of green computing practices.

A
  • Using recycled paper for printing
  • Enabling the ‘Sleep’ function on computers
  • Properly disposing of and recycling old electronic devices.
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3
Q

What is e-learning?

A

The creation of a learning environment where individuals use computers to participate in teaching and learning.

E-learning is often internet-based.

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4
Q

Define m-learning.

A

A form of education and training delivered via the internet using mobile devices, allowing access to education anywhere, anytime.

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5
Q

List advantages of e-learning and m-learning.

A
  • Cost-effective
  • Flexible access
  • Digital enrichment
  • Personalized learning
  • Repetition of material
  • Active and independent learning
  • Collaborative learning
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6
Q

What is a disadvantage of e-learning?

A

Lacks social interaction with teachers and classmates.

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7
Q

What limitation is associated with m-learning?

A

Internet access is required.

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8
Q

What are wearable technologies?

A

Electronic mobile devices worn as accessories or part of clothing that generate data and communicate with other devices.

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9
Q

What is one advantage of wearable devices?

A

Facilitates hands-free and portable access to online information.

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10
Q

What is a disadvantage of wearable technologies?

A

Privacy concerns regarding the sharing of personal information.

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11
Q

Define the Fifth Industrial Revolution (5IR).

A

An industrial revolution that runs alongside the Fourth Industrial Revolution (4IR) and focuses on human endeavour and ethics in technology.

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12
Q

List advantages of the Fifth Industrial Revolution.

A
  • Creates employment for creative thinkers
  • Helps companies optimize resources
  • Frees up human resources from routine tasks
  • Offers greener solutions
  • Enhances collaboration between humans and machines
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13
Q

What is a disadvantage of the Fifth Industrial Revolution?

A

Increased inequality due to demand for highly skilled workers.

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14
Q

What is Virtual Reality (VR)?

A

Technology that creates a simulation of a 3D environment interacted with in a seemingly real way.

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15
Q

List advantages of Virtual Reality.

A
  • Safe training in realistic scenarios
  • Virtual exploration of places
  • Improved learning retention
  • Employee training without risk
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16
Q

What is a disadvantage of Virtual Reality?

A

Can cause physical effects like motion sickness.

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17
Q

What is Augmented Reality (AR)?

A

Technology that adds digital objects to the physical world in real-time.

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18
Q

List advantages of Augmented Reality.

A
  • Highly interactive
  • Enhances personal experiences
  • Useful for product marketing
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19
Q

What is a disadvantage of Augmented Reality?

A

Lack of privacy due to extensive data collection.

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20
Q

What is a drone?

A

An unmanned aircraft that can be remotely controlled or fly autonomously.

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21
Q

List advantages of using drones.

A
  • Inexpensive compared to manned aircraft
  • Quick to deploy
  • Can access difficult areas
  • Useful for rapid inspections
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22
Q

What is a disadvantage of drones?

A

Potential for collateral damage.

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23
Q

What is one limitation of drones?

A

Battery life limits flying time.

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24
Q

Give an example of how drones are used in agriculture.

A

Farmers use drones to measure and record the growth of crops.

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25
What is a key feature of wearable technologies?
They can track information like heart rate and distance traveled in real-time.
26
What is one application of drones in agriculture?
Farmers can use drones to measure and record the growth of their crops, insect infestation, etc.
27
How are drones utilized in disaster management?
Drones can be used to survey the extent of wild fire damage in a specific area.
28
In what situations are drones preferred over manned aircraft?
Drones can be used in situations where it is too dangerous to send in a manned aircraft.
29
Name a use of drones in photography and journalism.
Drones are used by television sport networks to capture sporting footage.
30
What scientific applications do drones have?
Drones with biological sensors can fly to unsafe areas to take air quality readings and check for micro-organisms or atmospheric elements.
31
How are drones used in nature conservation?
Drones are used to monitor and track animals in combination with geospatial imagery.
32
What is a primary military use of drones?
Drones are deployed mainly for intelligence, reconnaissance, and surveillance missions.
33
How do security companies utilize drones?
Security companies use drones to provide surveillance systems for industrial, commercial, and residential properties.
34
What commercial applications do drones serve?
Drones are used for parcel deliveries, delivery of medical supplies in remote areas, etc.
35
How do insurance companies use drones?
Insurance companies use drones to assess the damage to buildings, roof damages, etc.
36
What role do drones play in geographic mapping?
Drones that use 3D mapping are used to access dangerous coastlines or unattainable mountain tops.
37
What is data throttling?
Throttling or Policing occurs when your ISP slows down your internet connection.
38
What triggers throttling by an ISP?
Throttling occurs when your ISP notices that your downloads have used excessive amounts of data.
39
What is an Acceptable Usage Policy (AUP)?
An AUP specifies how throttling is determined and implemented by an ISP.
40
What is one advantage of throttling?
A controlled internet access environment can be set up in an organisation.
41
What is a disadvantage of throttling?
Throttling is inconvenient for users due to the slow speed of the internet.
42
True or False: Throttling can be misleading if you pay for uncapped data.
True
43
List some advantages of electronic communication.
* Speedy transmission * Wide coverage * Low cost * Exchange of feedback * Managing global operation
44
List some disadvantages of electronic communication.
* The volume of data * The cost of development * Legal status * Undelivered data * Dependency
45
What is VoIP?
VoIP is a type of digital communication that allows the user to speak with one or more users over the internet.
46
Name one advantage of VoIP.
VoIP is much cheaper than using traditional telecommunication services.
47
What is a disadvantage of VoIP?
You need an active internet connection.
48
What are wikis?
Wiki websites are a form of digital communication that are used to obtain and share information with other users.
49
What is one advantage of wikis?
Anyone can edit the information, and therefore, it is updated regularly.
50
What is one disadvantage of wikis?
Anyone can edit the information, which means it can lead to misinformation.
51
What does GPS stand for?
Global Positioning System.
52
What is one advantage of GPS?
GPS is available from anywhere in the world.
53
What is one disadvantage of GPS?
GPS accuracy depends on the strength of the signal.
54
What is a podcast?
A type of digital communication that uses an audio-only broadcast.
55
Define Artificial Intelligence (AI).
AI refers to the simulation of human intelligence in machines that are programmed to think like humans.
56
What is machine learning?
Machine learning is the study of computer algorithms that improve automatically through experience and by the use of data.
57
List some advantages of AI.
* AI machines are available for work 24/7/365 * AI provides digital assistants * AI enables faster decision-making * AI helps with the development of new inventions
58
What is a disadvantage of AI?
AI may replace humans in repetitive jobs and may disrupt the job market.
59
What is cryptocurrency?
Cryptocurrencies are a form of virtual, digital currency that can be exchanged for other currencies, products, and services.
60
What is one advantage of cryptocurrency?
It is very possible to send and receive money anywhere in the world at any given time.
61
What is a disadvantage of cryptocurrency?
Often used for payment in criminal activities, such as ransomware demands.
62
Define Internet of Things (IoT).
IoT refers to the trend where all sorts of objects and devices are increasingly connected to one another via the internet.
63
What is one advantage of IoT?
Appliances can be started remotely before getting home.
64
What is one disadvantage of IoT?
IoT may have negative implications for user privacy.
65
What is big data?
Big data is very large (structured and unstructured) data sets that are analysed using computers to reveal trends and associations.
66
What is one advantage of big data?
Reduces costs and time and leads to smart decision-making.
67
What is one disadvantage of big data?
Analysis of data can be misleading.
68
Define shaping or network tuning.
Shaping is a technique where certain network services are given preference while others are given less priority.
69
What is the purpose of traffic shaping?
Traffic shaping is used to help organisations manage their resources during heavy traffic.
70
What is traffic shaping?
A quality of service (QoS) technique configured on network interfaces to prioritize higher-priority traffic even when the link is over-utilized. ## Footnote Traffic shaping helps ensure critical services remain operational during high internet usage.
71
What is a common disadvantage of traffic shaping?
Users may experience slow internet connections during peak times. ## Footnote This can affect the overall user experience and productivity.
72
Which types of data may be prioritized in traffic shaping?
Time-sensitive data may be prioritized over traffic that can be briefly delayed. ## Footnote This is crucial for applications like video conferencing.
73
What is the purpose of BYOD?
Bring Your Own Device allows employees/students to use their personal devices for work or study instead of company-provided devices. ## Footnote This can enhance convenience and reduce costs for institutions.
74
List three advantages of BYOD.
* Fewer expenses for the company/institution * Users find it more convenient * Work can easily be taken home ## Footnote This model encourages flexibility and accessibility in work environments.
75
What is a major disadvantage of BYOD?
Device theft is difficult to control. ## Footnote This can lead to significant data security risks.
76
What does CAP stand for?
Computerised Accounting Package. ## Footnote CAPs automate the accounting process, moving away from manual methods.
77
Name two advantages of using a Computerised Accounting Package.
* Speed: Transactions are processed faster * Accuracy: Reduces calculation errors ## Footnote These advantages make CAPs preferred in modern accounting.
78
What is a key disadvantage of Computerised Accounting Packages?
High initial cost for software and setup. ## Footnote This can be a barrier for small businesses.
79
What is phishing?
Attempts to con users into giving out personal details by pretending to be a legitimate organization, usually via email. ## Footnote Phishing is a common tactic used by cybercriminals.
80
Define a computer virus.
A program written to disrupt the normal functioning of a computer, activating when an infected file is opened. ## Footnote Viruses can cause significant damage to systems and data.
81
What is the role of a firewall?
To monitor incoming and outgoing traffic on a network and block traffic that does not meet security rules. ## Footnote Firewalls are essential for network security.
82
Fill in the blank: _______ is a program that disrupts the normal functioning of a computer.
Virus
83
What are examples of firewall software?
* ZoneAlarm * Comodo * GlassWire ## Footnote These tools help enhance security by monitoring network traffic.

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