Flashcards
chapter 12
Flashcards do conjunto (45)
- 1Transactionthe action of buying or selling an item or service
- 2Public keyused in encryption to encrypt data
- 3Private keyused in encryption to decrypt data
- 4E-commerceB2C online business
- 5E-procurementB2B online business
- 6Advantages of online shoppingConvenience for customer
Less vehicles used to drive
Compare prices easily - 7Disadvantages of online shoppingCannot see the physical product
Privacy (credit card) - 8Online bankingcomputeraised version of the majority of services that a normal bank would offer
- 9List of services in online bankingcheck their bank balance
viewing bank statements
setting up direct debits
applying for loans and overdrafts
paying bills
transferring money between accounts - 10Advantages of online bankingNo need to physically visit the bank
Less staff needed at the bank
More choice over which bank to choose
Avoid queues
Open 24/7
Viewing transaction online without needing to wait for paper statements to be delivered - 11Disadvantages of online bankingPrivacy issues
Not everyone has access to device & internet
Technophobic - 12Electronic funds transferIt is when transactions are made electronically, such as paying for their purchase with a credit card.
- 13Direct debitWhen a person sets up an agreement with a business that allows the business to take a set amount of money from their bank account. If people pay their bills like this, they don't have to remember to pay every month.
- 14Advantages of electronic funds transferNo need to carry cash
No need to wait for cheque
Multiple ways to pay for goods/services (e.g Paypal) - 15Disadvantage of electronic funds transferIdentity theft
- 16Automatic stock controlStock stored in a warehouse is not easy to count- holding too much means more storage space for the stock needed (can be costly) and having too little means the stick runs out before more can be ordered and sales could be affected as a result.
- 17Advantages of stock controlNew orders can be placed automatically
No need to manually count (errors) - 18Disadvantages of stock controlMay make errors
Relies on hardware & software - 19Digital currencyan internet-based form of money that has a value that can fluctuate much like normal currency
- 20Advantages of digital currencycan be used instantly
no need for exchange rates - 21Disadvantages of digital currencyanonymity
used in transactions involving criminal activity
fluctuate more than most standard currencies - 22Data miningthe act of sorting through large sets of data to identify patterns and establish relationships. the goal is to extract information that can be used to inform & instruct future decisions, by identifying past and present trends
- 23What does data mining normally involve analysing data in different ways?- anomaly detection
- association rule (finding r/s between variables)
- cluster detection (identifying groups & subgroups in data)
- classification (classifying data into existing groups or categories)
- regression (creating predictive models based on a range of variables) - 24Social networking formsEmails, forums, chat rooms, instant messaging, websites, blogs, microblogs
- 25Advantages of social networkingcan ask questions freely
stay in touch with relatives/friends
video chatting frequently
up to date - 26Disadvantages of social networkingcontent disseminated can be inaccessible
young children (x social cues and body language, harming their ability to socialise)
access to inappropriate content/communication
enable companies to track online data - 27Video conferencingwhen computers are used to provide a video link between two or more people
- 28Requirements of video conferencing- a computer system
- a web cam
- a microphone
- speakers
- a good broadband connection
- video conferencing software - 29Advantages of video conferencing- employers don't need to pay expenses for employees to travel to meeting venues
- meetings can be arranged without the need to travel
- people can be seen & heard
- documents can be shown - 30Disadvantages of video conferencing- system may be costly to buy initially
- employees may be in different time zones
- may not be possible to see all people involved in the meeting at the same time
- breakdown of equipment
- reliable & fast internet connection is required - 31Web conferencinganother form of carrying out a meeting/event; real-time communication where people are viewing the same content on their computer screen at the same time
- 32Equipment needed to carry out a web conference- a computer system
- a web cam (optional)
- a microphone (host)
- speakers
- a good broadband connection
- a web conferencing software - 33Stages of web conferenceEach attendee will be given a link to enter the meeting. In the virtual room, login details may be needed. Once inside, they can see the content the host displays. The host will mostly control the content on the screen and speak
- 34Advantages of web conferencing- host controls the content and assures everyone keeps on task
- saves time
- saves travel costs
- pre-recorded content can be used
- documentation can be made available to download - 35Disadvantages of web conference- difficult to tell if a person is closely following the web conference
- can be time consuming to set up all the content and the 'room'
- software can be very costly
- the host will likely need a lot of training to use the software
- if an attendee has poor internet connection, they may not have a good experience in the web conference and miss vital elements - 36Teleworkingusing IT to work away from an office using devices including PC, laptop, tablet, mobile and internet connection
- 37Advantages of teleworking- gives employee more freedom over the hours they want to work
- can take a break and have lunch whenever they want to
- save costs from not travelling to work
- less pollution - 38Disadvantages of teleworking- distractions at home -> poor productivity
- less cost (smaller building, less facilities, less energy)
- less control over employees
- confidentiality of sensitive documents - 39Technology in sport- aid referees in making important decisions
- rugby to check if ball was put over the goal line for a try to be scored - 40Technology in medicine- monitor patients
- artificial limbs
- nanotechnology (locate particular cells in the body to deliver drugs)
- smart devices implanted into bodies - 41Technology in manufacturing benefits- humans can be removed from dangerous elements of manufacturing
- consistent & accurate product
- run for longer times - 42Technology in manufacturing drawbacks- loss of jobs
- competitive disadvantage if cannot afford - 43Technology-enhanced learning- MOOC
- online courses
- Youtube videos - 44Technology-enhanced learning benefits- increase in the quality of demonstrations
- no fee
- own pace of learning in their own time - 45Technology-enhanced learning drawbacks- quality of resources may differ greatly (no governing body)
- difficult & time-consuming to pick through tutorials
- incorrect tutorial
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- A level A LEVEL IT FlashCards sobre chapter 12, criado por Hyerin Cho em 28-08-2017.
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- Hyerin Cho
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