INFORMATION TECHNOLOGY (IT)
by Nur Shaheera
1. DEFINITION
1.1. The use of computer hardware and software to store, retrieve and manipulate the information
2. ADVANTAGES AND DISADVANTAGES
2.1. Advantages : speed, relialibility, consistency
2.2. Disadvantages : health risk, violation of privacy, impact on labour force
3. FIELDS AND APPLICATION OF IT
3.1. Education : Computer-based training, Learning management system/ course management system
3.2. Finance : Online banking, finance investment system
3.3. Health-care : Medline, telemedicine
3.4. Travel : GPS (Global Positioning System), Automatic roaming system
3.5. Science : Virtual reality, Hawk-eye officiating system
4. CATEGORIES OF COMPUTER
4.1. Super Computer - The fastest, most powerful computer
4.2. Mainframes - A large, expensive, powerful computer that can handle hundreds or thousands of connected users at one time
4.3. Personal Computers - Can perform all of its output, input, processing and storage activities by itself
4.4. Mobile Computers - Personal computers you can carry around from place to place
4.5. Mobile Device - Computing device small enough to hold in your hand
4.6. Embedded Computers - A special-purpose computers that function as a component in a larger product
