Introduction to: Information Technology

Intro to IT Information Technology (IT) Definition: is the use of technologies to manage information among people & machines Technologies include: printing processes, the publishing industry, telephones, radio television, computers, electronics & telecommunications

Intro to IT Two main features of IT Electronic Tools: that help people manage information (such as computers, communication networks, the Internet etc. The relationship between IT tools and peoples lives

Chapter 1 Spectrum of Modern IT – Ranges from people Oriented to Machine Oriented. People-orientedMachine-oriented CommunicationE-Commerce SoftwareInfrastructure Health IssuesapplicationsHardware Supports the disabled The way we work, systems

Intro to IT Spectrum of Modern IT People Oriented: Communication technology have affected relationships among people by allowing them to communicate in new and different ways People oriented devices include pagers, cells, and . We rely on this IT everyday not only in work but in our personal lives everyday.

Intro to IT Spectrum of Modern IT Machine Oriented: issues are those that describe the way IT equipment actually work. Machines include computers, modems, the Internet, etc.

Intro to IT Spectrum of Modern IT (Middle of the Spectrum) E-commerce (businesses selling their products or services over the Internet), Machines that help us work (computer, phone, fax machine, photocopier, etc.) Software Applications (word processors, excel etc.

Intro to IT Everyday Technologies We Use Waking up to radio alarm clocks is controlled by a computer chip Some of use the Internet for research & entertainment Everyday banking: credit cards, debit, banking machines, atm’s, telephone banking, Internet banking, etc.

Intro to IT Everyday Technologies We Use Universal Product Codes (UPC), determines the price and can also used by employees and others to count inventory. Textbooks use ISBN numbers to help identify and sell the right textbook at the right price to the right customer/consumer.

Chapter 1 Infrastructure in Information Technology –Infrastructure a structure foundations that allow technologies work. –By the end of the 20th century 5 major communication industries, were beginning to converge to create a combined infrastructure for delivering information.

Chapter 1 Infrastructure in Information Technology –One of the main backbones for sharing information is communication satellites orbiting the Earth –Another is fibre optics; carry information via light pulses along ultra thin glass fibres