On-line Education - An information explosionWritten by Ram Balaji
If there is one revolution that has swept world in a relatively short span of time, it is certainly Internet Revolution. Internet has rejuvenated many sectors such as Service, Manufacturing, Health-care, Education and a lot more. In more than one way, emergence of Internet in Education sector has paved way for making huge profits and stands as a clear winner in this game of bandwidth connectivity.
On-line education for instance is increasingly attracting students' segment across world. Some thirty years back, students had to seek admissions in schools and colleges. Today, penetration of Internet has created a platform to these students to study at home or at places convenient to them. In fact, some of on-line educational institutions offer courses at affordable fees. The flexibility is in your time and place. Students can elsewhere work during day and spend night doing courses on-line.
An exciting feature in this type of on-line education is that many diploma and degree courses are offered to all categories of people cutting across linguistic, locational and age barriers. For instance, a student can spend five hours a day, a father three hours and a typical executive who is confined to office premises working for an organization during day can spend his leisurely night doing course.
The onslaught of Internet explosion has only increased demand for more on-line educational programmes. Two typical advantages of going online is that fast-paced results and instant feedback (response to a query) take you through and groups of people instantly start interacting with one another to exchange views. Today, best investment is knowledge.
Fiber Optic CableWritten by Gianfranco Fracassi
Fiber Optic Cable Fiber optic cabling consists of a centre glass core surrounded by several layers of protective materials (See fig. 5). It transmits light rather than electronic signals eliminating problem of electrical interference. This makes it ideal for certain environments that contain a large amount of electrical interference. It has also made it standard for connecting networks between buildings, due to its immunity to effects of moisture and lighting. Fiber optic cable has ability to transmit signals over much longer distances than coaxial and twisted pair. It also has capability to carry information at vastly greater speeds. This capacity broadens communication possibilities to include services such as video conferencing and interactive services. The cost of fiber optic cabling is comparable to copper cabling; however, it is more difficult to install and modify. 10BaseF refers to specifications for fiber optic cable carrying Ethernet signals.