INTRODUCTION TO GREEN COMPUTING

INTRODUCTION:
  
1) Green Computing has become an innovative way on how technology and ecology converge together. Then, With the recent years many industries and companies have turned their attention in realizing how going 'green' can benefit public relations, reduced costs, and lowering global emissions from industrial manufacturing. Though the term green computing covers a vast range of methods, from energy saving techniques, to the study of materials used in our lives, it all fundamentally breaks down to finding ways to not damage or consume all of earth's natural resources. Ultimately green computing focuses on ways in reducing overall environmental impact, its main purpose is to find and promote a new ways of reducing pollution, discovering alternative technologies, and creating more recyclable products.

2) Entire process of Green Computer or Green IT system is one where the entire process from design, manufacture, use, and disposal involves as little environmental impact as possible. In other words, a green initiative is taken in consideration of all facets of a computer’s life, from design to disposal.

3) In the design aspect, a green computer is created to perform without a negative environmental impact. Such design includes everything from materials and components to how the computer uses its power supply. Nowadays, most computers are built with a sleep or hibernate mode that allows them to power down when not in use and, therefore, save on energy impact. 

4) A green computer will also take into account how it impacts the environment during its life. One way to make a green computer reduce its usage impact is to extend its longevity. The longer the computer lasts, the less impact it will have on the environment because disposal, normally the most significant green influence of the computer’s cycle, will be delayed for a longer period of time. To increase a computer’s longevity, we suggest looking toward upgrades and modularity. For example, building a new computer from scratch produces a greater environmental effect than building a new RAM module for replacement in computing equipment. 

5) Computer virtualization is helping to make large strides in green computing technology. Through the phenomenon of virtualization, it is now possible to operate two or more computers on the physical hardware of a single computer. In this manner, you could create the ultimate green computer; one that exists logically, but not physically. The logical units use all the material components of the physical computer, but are devoid of physical structure themselves. This means that the environmental impact of logical computers is virtually eliminated. The ideal green computer, therefore, may lie in virtual green computing. 

6) Terminal servers can also be used to create a greener computer. When using a terminal server, you are connected to a central terminal where all the computing is done. The operating system is experienced by the end user on the terminal. These terminals can be matched up to thin clients who depend on the server to do most of their computing. This type of green computing setup typically consumes as little as one eighth of the energy of a conventional workstation. 

7)  Some of the world’s leading companies that engage in green computing by researching green technology, developing energy efficient products, using sustainable materials, offering recycling programs, and marketing a greener look and feel, include well-known brands.