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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 l.jpg

Chapter 1 Information Age

1.1 Information Age and IT 3

1.2 Applications of IT 4


1 1 information age and it l.jpg

Chapter 1 Information Age

1.1 Information Age and IT

  • 1.1.1 Nature of Computers

  • 1.1.2 IT and Computers


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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


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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


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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


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Chapter 1 Information Age

1.2 Applications of IT

  • Clothing, Eating & Food,Housing,Transportation

  • Finance & commerce, Education, Science, Health, Law Enforcement, Government and Robotics


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1.2 Applications of IT

1.2.1 Clothing

  • Design

  • Manufacturing

  • Inventory System

  • Sales Record


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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


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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


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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


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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


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1.2 Applications of IT

1.2.2 Eating and food

  • Monitoring and Control

  • Supermarket

  • Embedded Computer

  • Food Ordering


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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


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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


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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


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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.


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1.2 Applications of IT

1.2.3 Housing

  • House Design

  • Engineering

  • Building Management

  • Home Security


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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


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1.2.3 Housing

Housing-1.2.3.2 Engineering

  • In a construction site, engineers use computers to

    • Plan their projects &

    • Manage resources


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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.


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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.


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1.2 Applications of IT

1.2.4 Transportation

  • Railway Control

  • Traffic Information

  • GPS

  • Autotoll


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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.


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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


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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.


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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


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1.2 Applications of IT

1.2.5 Finance and Commerce

  • Banking

  • E-commerce


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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


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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


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1.2 Applications of IT

1.2.6 Communications

  • E-mail

  • Internet Services


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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


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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.


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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


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1.2 Applications of IT

1.2.8 Science

  • Scientific Research

  • Weather Forecasting


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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.


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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


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1.2 Applications of IT

1.2.9 Health and Medicine

  • Medical Diagnosis

  • Remote Instruction


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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


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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


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1.2 Applications of IT

1.2.10 Law enforcement

  • Fingerprint Matching

  • DNA Modelling


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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


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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


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1.2 Applications of IT

1.2.11 Government

  • Examination

  • Public Awareness of IT

  • ESD Scheme


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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


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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


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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


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1.2 Applications of IT

1.2.12 Robots

  • Dangerous Jobs

  • Various Sizes


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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.


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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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