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Chapter 1 Information Age. 1.1 Information Age and IT 3 1.2 Applications of IT 4. Chapter 1 Information Age. 1.1 Information Age and IT. 1.1.1 Nature of Computers 1.1.2 IT and Computers. 1.1 Information Age and Information Technology. 1.1.1 Nature of Computers (1).

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chapter 1 information age

Chapter 1 Information Age

1.1 Information Age and IT 3

1.2 Applications of IT 4

1 1 information age and it

Chapter 1 Information Age

1.1 Information Age and IT
  • 1.1.1 Nature of Computers
  • 1.1.2 IT and Computers
1 1 1 nature of computers 1

1.1 Information Age and Information Technology

1.1.1 Nature of Computers (1)
  • 1. Speed
    • High processing speed
      • But, may not be at full power all the times
  • 2. Reliability
    • Low failure rateof electronic components
  • 3. Accuracy
    • Always gives accurate results, unless
      • program bugs OR
      • incorrect data input
1 1 1 nature of computers 2

1.1 Information Age and Information Technology

1.1.1 Nature of Computers (2)
  • 4. Storage capacity
    • Different types of storage
    • can store huge amount of data
  • 5. Communication ability
    • Data transmission between computers
    • Use of computers :
      • Communication between people
1 1 2 it and computers

1.1 Information Age and Information Technology

1.1.2 IT and Computers
  • Information Technology (IT)
    • Create, store, exchange, and use information
    • Mainly computer technology
      • other technologies: communication, audio and video etc.
    • Includes computers and other technologies
  • Information
    • Helps people in making decision
  • Information Age
    • Driven by information technology
1 2 applications of it

Chapter 1 Information Age

1.2 Applications of IT
  • Clothing, Eating & Food,Housing,Transportation
  • Finance & commerce, Education, Science, Health, Law Enforcement, Government and Robotics
1 2 1 clothing

1.2 Applications of IT

1.2.1 Clothing
  • Design
  • Manufacturing
  • Inventory System
  • Sales Record
clothing 1 2 1 1 design

1.2.1 Clothing

Clothing-1.2.1.1 Design
  • Computer-Aided Design (CAD) software
    • Complete most of the design process
    • Allow designers to modify their designs easily
  • Templates
    • eliminate the needs to start everything from scratch
clothing 1 2 1 2 manufacturing

1.2.1 Clothing

Clothing-1.2.1.2 Manufacturing
  • Design
    • Passed electronically to the manufacturing department
  • Schedule Production lines
    • Evaluate the time for each section
    • based on
      • date of completion, quantity required and complexity of the design
    • Ensure that
      • all sections completed according to a pre-set sequence
      • work load evenly distributed among the production lines
    • For the best overall efficiency
clothing 1 2 1 3 inventory system

1.2.1 Clothing

Clothing-1.2.1.3 Inventory System
  • Computer-based Inventory System
    • Records the details of each product
      • like the product name, type, location and quantity
  • Electronic Map
    • Shows the locations of all goods
    • Allows retrieval of goods quickly
clothing 1 2 1 4 sales records

1.2.1 Clothing

Clothing-1.2.1.4 Sales records
  • Inventory system (similar to last page)
  • Sales records
    • data for each sale is recorded
    • Help Sales manager to
      • know the trend and
      • make decision on future replenishment of goods
    • The statistics help the store manager to
      • determine the business strategy of the company
1 2 2 eating and food

1.2 Applications of IT

1.2.2 Eating and food
  • Monitoring and Control
  • Supermarket
  • Embedded Computer
  • Food Ordering
eating and food 1 2 2 1 monitoring and controls

1.2.2 Eating and food

Eating and food-1.2.2.1 Monitoring and controls
  • Agriculture
    • Providing information about
      • crop, cattle and farming
  • Food processing factory
    • Monitoring the production process
    • Controlling the quantity of the final product
eating and food 1 2 2 2 supermarket

1.2.2 Eating and Food

Eating and food-1.2.2.2 Supermarket
  • Inventory, Personnel, Sales, C. Services etc.
  • Point-Of-Sales (POS) terminal
    • Bar code readers are installed
      • to provide fast and reliable data input
    • Stock-on-shelf records on central computer
      • updated instantly
      • verified by a staff who uses a handheld computer
  • Sales Information
    • Information about the popularity of goods
    • Arrange items for display on the shelves
    • Replenishment of goods
eating and food 1 2 2 3 embedded computer

1.2.2 Eating and food

Eating and food-1.2.2.3 Embedded computer
  • Embedded computer
    • Microwave oven inside a kitchen
    • Using a pre-programmed fire setting
      • defrost frozen meat
eating and food 1 2 2 4 food ordering

1.2.2 Eating and food

Eating and food-1.2.2.4 Food ordering
  • Handheld computer (PDA)
    • Waiter records your food order
  • Radio Waves
    • Transmits information to a central computer
  • Inside the kitchen
    • Food order appears on a display
    • The cook to follow.
1 2 3 housing

1.2 Applications of IT

1.2.3 Housing
  • House Design
  • Engineering
  • Building Management
  • Home Security
housing 1 2 3 1 house design

1.2.3 Housing

Housing -1.2.3.1 House design
  • Computer Aided Design (CAD) Software
  • 3D model of the design
    • Viewed from different angles,
    • both inside and outside
  • Interactive animations
    • Allow clients to understand more about the final design
housing 1 2 3 2 engineering

1.2.3 Housing

Housing-1.2.3.2 Engineering
  • In a construction site, engineers use computers to
    • Plan their projects &
    • Manage resources
housing 1 2 3 3 building management

1.2.3 Housing

Housing- 1.2.3.3 Building management
  • Smart card technology
    • Authenticate residents at the entrance of the buildings
    • No need to remember password
    • Difficult to forge
  • Web site
    • Allows residents to reserve facilities
      • like tennis court or conference room.
housing 1 2 3 4 home security

1.2.3 Housing

Housing- 1.2.3.4 Home security
  • Web cams
    • Monitor their houses via the Internet.
  • Smart home technology
    • that provides greater security
    • more convenience.
1 2 4 transportation

1.2 Applications of IT

1.2.4 Transportation
  • Railway Control
  • Traffic Information
  • GPS
  • Autotoll
transportation 1 2 4 1 controls

1.2.4 Transportation

Transportation-1.2.4.1 Controls
  • The central computer system
    • Controls the movements of all the trains along the complex railway network.
    • Must be fully tested before put into use
      • because any bugs may lead to serious accidents.
transportation 1 2 4 2 traffic information

1.2.4 Transportation

Transportation-1.2.4.2 Traffic information
  • Airport
    • Monitors all the flying planes
    • Collects vast amount of data,
      • like aircraft positions, temperature and wind speed,
    • Analyzed by the computer
      • to give a reliable overall picture of the weather
      • and air traffic conditions
    • Results sent to all the airplanes
transportation 1 2 4 3 gps

1.2.4 Transportation

Transportation-1.2.4.3 GPS
  • GPS (Global Positioning System)
    • to keep bus company informed about
      • the positions of all the buses on the road
    • Schedule bus services
    • Solve unexpected problems,
      • like traffic jam due to a road accident.
transportation 1 2 4 4 autotoll

1.2.4 Transportation

Transportation-1.2.4.4 Autotoll
  • Autotoll
    • At the gate, the chip is activated
    • The chip emits a radio wave, carrying information,
      • like the driver\'s account number.
    • Central computer
      • Locates the driver\'s record based
      • the deposit is deducted
      • appropriate information shown to driver through
        • traffic lights
finance and commerce 1 2 5 1 banking

1.2.5 Finance and Commerce

Finance and Commerce-1.2.5.1 Banking
  • Bank
    • Pioneer in computerization among other commercial activities
    • All financial transactions are handled and recorded by computers
    • ATM (automatic teller machine) terminals
      • to withdraw or transfer money
    • Online banking allows you
      • view account balance, transfer money and
      • financial transactions, like online investment
finance and commerce 1 2 5 2 e commerce

1.2.5 Finance and Commerce

Finance and Commerce-1.2.5.2 E-commerce
  • E-commerce
    • getting more and more popular
    • Online storefront
      • always opens
    • Cybermall
      • provides one-stop-shop services
communications 1 2 6 1 e mail

1.2.6 Communications

Communications- 1.2.6.1 e-mail
  • e-mail
    • Communication tool of many people
    • E-mail message quickly reach the other side of the world
    • easily reply, forward or attach with
      • other documents
    • handheld computer incorporated with Mobile phone technology,
      • Sending and receiving e-mail everywhere
communications 1 2 6 2 internet services

1.2.6 Communications

Communications-1.2.6.2 Internet Services
  • Broadband access
    • Standard access to the Internet
  • Telephony and videoconferencing
    • Internet-based
    • Part of many people\'s daily life activities.
1 2 7 education

1.2 Applications of IT

1.2.7 Education
  • IT in education
    • used in schools
    • to assist teaching and learning
    • Many classrooms are connected to the Internet
      • Providing a huge source of supplementary materials
    • Multimedia learning/Interactive assessing tools
      • More interesting learning experiences to students
    • E-learning
      • enables self-paced learning
1 2 8 science

1.2 Applications of IT

1.2.8 Science
  • Scientific Research
  • Weather Forecasting
science 1 2 8 1 research

1.2.8 Science

Science-1.2.8.1 Research
  • Research
    • High-speed capabilities of computers
    • Simulate events
    • Prove hypotheses in a cost-effective manner.
science 1 2 8 2 weather forecasting

1.2.8 Science

Science-1.2.8.2 Weather forecasting
  • Weather forecasting
    • Need the processing power of supercomputers
    • Observatories in the world are linked
      • to form a network
      • to share and exchange climatic data
    • Data are analyzed by the computers
      • to simulate the weather conditions
      • to predict more accurately in coming few days
1 2 9 health and medicine

1.2 Applications of IT

1.2.9 Health and Medicine
  • Medical Diagnosis
  • Remote Instruction
health and medicine 1 2 9 1 medical diagnosis

1.2.9 Health&Medicine

Health and Medicine-1.2.9.1 Medical diagnosis
  • Monitoring patients
    • Intensive care in hospitals
  • Computer-Axial Tomography (CAT)
    • Assist in diagnosis
    • Giving 3D pictures of the organs inside a body
health and medicine 1 2 9 2 remote instruction

1.2.9 Health&Medicine

Health and Medicine-1.2.9.2 Remote instruction
  • Remote instruction
    • Use of videoconferencing
    • Allows experienced doctors instruct other doctors remotely
  • Virtual reality
    • Train medical students in surgical skills
1 2 10 law enforcement

1.2 Applications of IT

1.2.10 Law enforcement
  • Fingerprint Matching
  • DNA Modelling
law enforcement 1 2 10 1 fingerprint matching

1.2.10 Law Enforcement

Law enforcement-1.2.10.1Fingerprint matching
  • Fingerprint matching
    • Storage of fingerprints
    • Matching with thousands of fingerprint records from the fingerprint database
      • Analyze the patterns
      • Confirm matching automatically
law enforcement 1 2 10 2 dna modelling

1.2.10 Law Enforcement

Law enforcement-1.2.10.2 DNA modelling
  • DNA modelling
    • Computer modelling of DNA
    • Match the DNA from criminal\'s body with traces
      • such as blood, left at the crime scene
1 2 11 government

1.2 Applications of IT

1.2.11 Government
  • Examination
  • Public Awareness of IT
  • ESD Scheme
government 1 2 11 1 examinations

1.2.11 Government

Government-1.2.11.1 Examinations
  • Examinations
    • Hong Kong Examinations and Assessment Authority (HKEAA) is using
    • OMR (Optical Mark Reader) readers
    • to mark MC questions
government 1 2 11 2 public awareness of it

1.2.11 Government

Government-1.2.11.2 Public awareness of IT
  • Public awareness of IT
    • strengthening the IT awareness of the public
    • building information infrastructure
    • developing e-commerce environment
government 1 2 11 3 esd scheme

1.2.11 Government

Government-1.2.11.3 ESD scheme
  • Electronic Service Delivery (ESD)
    • ESD scheme won the Stockholm Challenge Award in 2001
    • Aim to deliver government services to the public via the Internet
    • Without leaving home, HK residents can
      • reserve books in a public library
      • pay government bills
      • make appointment
      • apply licenses etc
1 2 12 robots

1.2 Applications of IT

1.2.12 Robots
  • Dangerous Jobs
  • Various Sizes
robots 1 2 12 1 dangerous jobs

1.2.12 Robots

Robots-1.2.12.1 Dangerous jobs
  • Computer-controlled Robots take over many jobs which are
    • too unpleasant, or
    • too dangerous for human,
    • such as
      • opening packages which are believed to contain bombs
      • monitoring the conditions near a volcano.
robots 1 2 12 2 various size

1.2.12 Robots

Robots-1.2.12.2 Various size
  • Large robots
    • working in factories,
    • e.g. car manufacturing.
  • Medium sized robots
    • play their roles as electronic pets
  • Tiny sized robots
    • great potential use in
      • medical diagnosis or
      • medical treatment
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