Summary of My Course
Topic 1 (Introduction to Information Technology)
Definition of Information Technology :
Definition of Information Technology :
- The use of computer hardware and software to store, retrieve, and manipulate information
or
- Any technology that helps to produce, manipulate, store, communicate, and/or disseminate information.
Types of Application in IT :
- Education - Online Tuition, Educational software, etc.
- Finance / Banking - Online banking, Electronic payment system, etc.
- Health Care - Telemedicine, Surgery simulation, etc.
- Science - Neural network, Virtual reality, etc.
- Travel - Global positioning System (GPS), Car Navigating System, etc.
- Government - e-Filling, UPU online, etc.
- Manufacturing - Computer-aided design (CAD), Barcode system, etc.
- Publishing - Online Photo Printing, Online Card Printing, etc.
Categories of Computers :
- Supercomputers
- Definition : Fastest and most powerful type of computer that is capable of processing trillion of instructions per second.
- Physical size : Full room of equipment.
- Speed : Thousands of processor capable of processing trillions of instructions per second.
- Storage : Can store more than 20000 times of data.