2 Role and Impat of IT in Society

Question 1

Online banking
setup
services
benefits

Answer 1

setup

• customer requests online banking acc
• ank sets up electronic access
• bank sends customer login details
• cutsomers login and set up access by enetring personal details
• if app, download and set up access using app

services
Check bank balance
View bank statements
Set up direct debits
Apply for loans and overdrafts
Paying bills
Transferring money between accounts

Benefits
Don’t need to leave home for everything
Need to visit branch less
Avoid bank queues
Service available 24/7
View transactions without needing to wait for paper statements to be delivered.

Question 2

Electronic funds transfer
methods:
issue

Answer 2

Credit card. No actual money changes hand, money moved electronically by adding and subtracting amount from respective accounts.
Direct debit. Person sets up agreement with a business to allow business to take a set amount of money from their account. This can be a one-time thing or regular. The person doesn’t need to remember to pay the business each time as money is automatically transferred.
Safety is however an issue. Identity theft is a common form of a potential compromise in safety and the victim may lose privy to financial details, credit card number, name, address, contact, dob, prucases made on victim on account

Question 3

automatic stock control
why need
real time, batch
how it works

Answer 3

Control stock levels
Control needed as too much stock means storage costs increase; too little stock means items might run out when needed.
Easy to see how much stock present.
Can be real-time or batch. Real time calculates as and when stock is added or removed from warehouse. Batch uses a transaction file to record whatever is added or removed from warehouse and is used to update the master file in database

Can be programmed to reorder when stocks reach certain level.
If physical stock countless than automatic stock count, possible theft could be indicated.
How it works:
Product has barcode containing info on product
When scanned, product ID is identified and recorded
product level of warehouse is deducted by one

Question 4

digital currency

Answer 4

Internet based form of money
Value fluctuates a lot
Can be used instantly without the need of exchange rates.
Is anonymous.
This makes it more appealing to criminals too.
All details are stored in an encrypted file so if the file is lost/corrupted/deleted or lose key, lose money

Question 5

data mining what is

Answer 5

Involves sorting through data, find new trends identifying patterns to establish relationships, and applying a theory to new data sets in order to try and validate the changes that are occurring. The goal is to predict changes before they occur.

Question 6

data mining - analysis methods: 5

Answer 6

Anomaly detection - Identify unusual data that may require further investigation.
Association rule - Finding relationships between variables.
Cluster detection - Identifying groups and subgroups in data.
Classification - classifying data into exissting groups/categories
Regression - creating predictive models based on a range of variables

Question 7

web conference process

Answer 7

ink sent to attendees
Attendees download software and join room via link Enter login details
Host can upload documents to room for viewing and/or downloading.
Host controls content on screen and can hand over screen controls over some content to attendees to read on their own pace.

Question 8

tech in medicine

Answer 8

Measure heart rate
Analyse DNA samples
Artificial limbs
Nanotechnology to make drugs and target delivery which reduces damage/unnecessary treatment to healthy cells Smart devices to monitor
Training
Simulate procedures