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
- 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
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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