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Information Systems for you
Chapter 25 - Computer Applications 
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» Exam Answers
   - Full Course
» Exam Answers
   - Short Course
Questions (Page 214)
 1(a)
Braille keyboard, Braille monitor, Braille printer.
(b)
Braille keyboard - a simple keyboard with fewer keys allows easy entry of data.
Braille monitor - uses raised areas so that the visually impaired can use their fingers to read what it says.
Braille printer - produces raised dots on paper so that the visually impaired can use their fingers to read what it says.
  
 
 2
Can shop without leaving the house. Can make friends in chat rooms. Can keep in touch with others that have the same problems. Can search for self-help groups. Emails can be sent which avoids having to rely on others to post letters etc.
 
Examination Questions (page 347)
1(a)
  The PIN.
(b)
  For security. It ensures that they are the authorised user of the card.
(c)
  Fewer bank staff needed. Takes staff away from routine transactions to do more profitable sales type work. Fewer chances of errors. Provides 24 hour a day 365 days a year banking.
(d)
  Provides 24 hour a day 365 days a year banking. Queues are smaller. Do not need to interact with the bank staff. Can visit late at night when the parking is easier.
(e)
  Danger of being robbed. Phantom withdrawals. Wrong amount of money being issued.
(f)
  Using a modem and the Internet and special software supplied by the bank.
(g)
(i)
(ii)
(iii)
PIN and account number/name.
Statement details. Balance transfer. Pay bill. etc.
Ability to obtain cash.
(h)
  Can check the account balance from home. Can set up standing orders and direct debits without leaving home.
(i)
  Need computer equipment. Possibility of security breaches by hackers.
 
2(a)
  The bank's sort code. The customer's account number.
(b)
  Using magnetic ink character recognition.
(c)
(i)
(ii)
The amount the cheque is for.
This is not known until the person has written the cheque. It has to be put on the cheque so that it can be read with the MICR reader.
(d)
(i)
(ii)

(iii)
(iv)
Step 4 ; Step 3 ; Step 1 ; Step 2.
For security. Only the person who owns the card should know the PIN.
Magnetic stripe.
Order a new cheque book. Obtain a balance. Obtain a statement/mini-statement. Transfer money between accounts etc.
(e)
  To identify the customer. To pay for goods using an EFTPOS terminal. To pay for calls in some public telephones.
 
3(a)
  Manufacturer's code; Product code; Country of origin; Check digit.
(b)
  An itemised bill is produced that makes it easier to check. Quicker data entry means fewer queues.
(c)
  The price changes so a new bar code would need to be produced.
(d)
  Cash; Cheque; Store card; Credit card; Debit/Switch card etc.
(e)
(i)

(ii)
They get points (i.e. money off) or coupons. They get notified about special offers.
Keeps customers coming back to the store. Provides the marketing department with useful information concerning customer's buying habits; Can sell lists of customers to other companies etc.
     
4
Advantages: Fewer queues at checkouts as transactions are completed faster.
Less wastage of food as correct amounts are ordered or made on site.
Itemised receipts make it easier for shoppers to check they have been charged correctly.
Loyalty cards allow shoppers to save money by shopping at the store regularly.
   
Disadvantages: e-commerce means that many high street stores could close with the resulting loss in jobs.
Most ICT developments in stores reduce the numbers of staff needed.
Small shops will close as they can no longer attract customers because of their more expensive goods.
Information about shoppers from loyalty card schemes erodes privacy.
   
5(a)
One of:
bank account number
bank sort code number
encrypted PIN.
(b)
Gives an instruction to remove the money from the customer's account and deposit it in the store's bank account. This happens immediately.