Introduction to Information Technology & Communication Zaipul Anwar bin Zainudin Institute of Product Design & Manufacturing Universiti Kuala Lumpur Session 1
Objectives Describe the three fundamental characteristics of computers Describe at least four areas of society in which computers are used Identify the basic components of a computer system: input, processing, output, and storage List some common input, output, and storage media Distinguish data from information Describe the significance of networking Explain the significance of the Internet Explain the various classifications of computers
Introduction to Computers Computer hardware Input, Output & peripheral devices History of computers
Basic Components of a Computer System What is computer? An electronic device that can accept data (input), process the input to useful information (process) according to a set of instructions, store the instructions and the results of processing (storage), and produce the information (output).
Basic Components of a Computer System Other definition:- A machine that can be programmed to accept data (input), process it into useful information (output), and store it away (in secondary storage device) for safekeeping or later reuse Process is directed by software but performed by the hardware
Information Age Evolving more rapidly than Industrial Age Will continue into the current century
Cornerstones of our Economy Forging a Computer-Based Society: Land Labor Capital Information
Jobs Forging a Computer-Based Society: From physical to mental From muscle-power to brain-power
A Computer in Your Future Where used? Bank withdrawal Supermarket Drive the car Do I need a Personal Computer? Campaign: One Home, One PC Many more use at work Will I use a computer in my future career? Almost every job will involve use of a computer Video: Future of Vision Information Technology
Computer Literacy Awareness Knowledge Interaction Importance Versatility Pervasiveness in our society Knowledge What are computers How do computers work Terminology Interaction Use some simple computer applications
Is computer literacy enough? Need to be computer literate to manipulate a computer Need to be computer fluent on computer concepts as a basis to build deeper knowledge Computer fluency make one able to continue follow developments as computers continue to evolve
Basic Information Technology Concept Information technology - the use of modern technology to aid the capture, storage, retrieval, analysis, and communication of information. The various methods of delivering information are by the use of data, text, image, and voice for personal or organization needs.
History of Computers Man from centuries ago used a physical unit or sets of units to represent numbers or quantities. A number or a quantity can be represented by a physical thing, whether it is: an electrical relay a pebble a transistor a mark on a bit of paper a bead of wire a mechanical gear wheel a vacuum tube
The Nature of Computers Characteristics Speed Reliability Storage capability Results Productivity Decision making Cost reduction
Where Computers Are Used: Graphics Graphs and charts Animated graphics Visual walk-through
Where Computers Are Used: Education Teaching and testing aid Learning by doing Computer-based instruction
Where Computers Are Used: Retailing Bar codes for pricing and inventory Shipping
Where Computers Are Used: Energy Locate oil, coal, natural gas, and uranium Monitor the power network Meter reading
Where Computers Are Used: Law Enforcement National fingerprint files National files on criminal Computer modeling of DNA
Where Computers Are Used: Transportation Cars Run rapid transit systems Load containerships Track railroad cars Monitor air traffic
Where Computers Are Used: Money Record keeping Banking by phone Credit cards
Where Computers Are Used: Agriculture Billing Crop information Feed combinations Livestock breeding and performance
Where Computers Are Used: Government Forecast weather E-government Process immigrants Taxes Registration: birth, identity, car etc.
Where Computers Are Used: The Home Educational tool Record keeping Letter writing Budgeting Drawing and editing pictures Newsletters Connecting with others
Where Computers Are Used: Health and Medicine Monitor patients Electronic imaging Diagnose illnesses Tele-health
Where Computers Are Used: Robotics Perform jobs that are dangerous for humans Factory work
Where Computers Are Used: The Human Connection Assist the disabled Assist athletes by monitoring their movements
Where Computers Are Used The Sciences Research Simulation Connectivity Communication Telecommuting
Where Computers Are Used Training Airline pilots Railroad engineers Paperwork Junk mail Term paper Record keeping
ANY QUESTIONS?