WJEC ICT

UNIT 3 - Organisations Handbook

Name

Class

Teacher

SECTION 1: E-Commerce

  1. What is e-commerce? Give an example to explain your answer and suggest why it is so popular today.
  1. Complete the table explaining the good and bad points of e-commerce for business and customers.

Advantages for CUSTOMERS / Disadvantages for CUSTOMERS
Advantages for BUSINESS / Disadvantages for BUSINESS
  1. Explain the process of placing an order, give a real example.
  1. What data (customer information) is entered and how is it checked. Also explain what hardware is used.

Data Input
(List it all) / How is it checked
(What validation is needed) / What hardware is used to enter the data.
Customer Name / Length check, presence check / Keyboard
Gender / Presence check / Mouse
  1. What must the customer VISUALLY check before processing the order?
  1. E-Commerce uses REAL TIME Processing. Explain what this is and WHY it is needed. Give an example.
  1. What is outputted from the system when an order is placed?
  1. What are the security risks for customers using e-commerce systems?

SECTION 2: Banking

  1. Explain what each of the following terms mean.What data is used or provided here in each one?

Term / Meaning
MICR
ATM
CHIP & PIN
ONLINE BANKING
  1. Explain how MICR works and what is good and bad about it.
  1. MICR is an example of BATCH processing. Explain what this means and why it is this type of processing.
  1. What are the steps involved in using an ATM machine? What is checked, outputted and what services can be provided at an ATM machine.
  1. Complete the table regarding ATM machines.

Advantages of ATM Machines / Disadvantages of ATM Machines
  1. Explain what online banking is and why it is used in society today. What are the benefits.

SECTION 3: Payroll

  1. What is a payroll system? Give two examples of places which would use a payroll system.
  1. Describe three different ways capturing data in payroll systems, stating what they are and how they would work. What data is recorded for each?

Method / How it would work
Clocking on card
  1. Payroll is an example of BATCH processing. Can you explain what this means with an example and why it is processed in batches.
  1. Describe the contents of a pay slip and why it is needed.

SECTION 4: Modern Mail

  1. Explain what E-Mail is and how it is different to ordinary mail. Also explain what hardware is needed to send an email.
  1. Email can often produce SPAM. Explain what this is and how a user checks in case something has been marked as SPAM accidentally.
  1. What are the advantages and disadvantages of e-mail?

Advantages / Disadvantages
  1. Is email real time production or batch production? Explain your answer.
  1. What is mail merging? Explain what this is and who would use it.
  1. Mail merging is an example of BATCH processing. Explain why this is the case.

SECTION 5: Robotics and Process Control

  1. Explain how robotics can be used in each of the following areas.

Area / Why used
Education
Home
Hospitals
Nuclear Power Stations
Space Exploration
  1. Give an example of PROCESS CONTROL and explain why REAL TIME processing is needed.
  1. What are the advantages and disadvantages of robotics?

Advantages / Disadvantages
  1. Draw the feedback loop diagram here and explain what it means. Use an example.
  1. Find an example of a domestic robot online. Add a picture here and explain its features.

SECTION 6: Expert Systems and AI

  1. What is AI? Explain the idea behind AI.
  1. What is an expert system and what are the three parts of it? Explain each one.
  1. Suggest three different uses of Expert Systems and discuss how they would be used.
  1. Explain what processing method Expert Systems use and suggest why this is the case.
  1. What are the advantages and disadvantages of expert systems?

Advantages of Expert Systems / Disadvantages of Expert Systems

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