Monday, 17 October 2016

Summary of Chapter 1

 TOPIC 1 : INTRODUCTION TO INFORMATION      TECHNOLOGY

1.1 Overview of Information Technology

Explain Information Technology

Definition Information Technology : Is the use of computer hardware and software to store, retrieve, and manipulate information

Advantages of IT :
  • To efficiently and effectively access and search for information
  • Improves communication trough communication technology
  • Improves data storage and file management
  • To manages finances via online banking
  • To shop for products and service via online shopping
Disadvantages of IT :
  • Reduce job opportunity
  • Security breaches
  • Higher cost of hardware and software installation
  • Health risks
  • Over independence on IT makes students less active and innovative
  • Pirating

Discuss the Applications of IT

      Education

  • Learning management system
  • Library Loan System
  • Online Tuition
  • Educational Software
  • E-learning Web sites
  • E-test

      Finance/Banking
  • Online Banking
  • Electronic payment system
  • Finance Investment System
  • Online investing system
     
     Health Care
  • Surgery Simulation
  • Health care website
  • Telepharmacy
  • Telemedicine
  • Telesurgery
  • Monitoring of patient
    Science
  • Capsule Endoscopy system
  • Cochlear Implants
  • Electrodes implant
  • Cardiac peacemaker implant
  • Neural Network
  • Virtual Reality
     Travel
  • Global Positioning System (GPS)
  • Car Navigation System
  • Online reservation system/booking system
  • E-ticketing system
     Government
  • e-Filling
  • e-Penyata Gaji dan Laporan
  • UPU online
  • E-syariah
     Manufacturing
  • Computer-aided manufacturing
  • Computer-aided design
     Publishing
  • Online Photo Printing
  • Online Card Printing

Categories of Computers


Category
Physical Size
Speed
Storage
Supercomputer
Full room of equipment
The fastest and most powerful type of computer with thousands of processor capable of processing trillions of instructions
Highest storage capacity
Mainframes
Partial room to a full room of equipment
A large and powerful computer that can process trillions of instruction per second and handle thousands of connected computers
Larger storage capacity
Personal Computer

eg. Desktop, Laptop
Small computer from desktop to laptop computers that fits on a desk or fits on your lap
A computer based on a microprocessor designed for individuals and businesses, capable to provide computing power for home and office environment
Storage capacity ranges from GB to TB
Mobile Computer

e.g. Laptop, Tablet PC
Computers that are designed to be carried around easily about the size of a paper notebook to fit in one hand
A computer based on a microprocessor designed for individuals and businesses, capable to provide computing power for home and office environment
Storage capacity ranges from GB to TB
Mobile Devices

e.g. Smartphone, Portable Media Player
Very small communications device
A computer based on a microprocessor that contain built-in computing or Internet capabilities
Storage capacity up to GB
Embedded Computers

e.g. Consumer Electronics, Automobiles, Process Controllers and Robotics, Office Machines
A tiny computer embedded into a product (installed in a device)
Tiny specialized microprocessor installed in smart appliances and automobiles
Storage capacity normally in KB


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