seminar about green computing

1. Presented by: Rejin Thomas
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2. "The study and practice of designing, manufacturing, using,
and disposing of computers, servers, and associated
subsystems efficiently and effectively with minimal or no
impact on the environment."
Designing , manufacturing and disposing Computer, servers
with no impact on the environment.
To reduce the use of Hazardous materials, maximize energy
efficiency during product’s lifetime.
What is Green Computing?
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3. Increasing impacts on environmental and human health.
Growing public environmental awareness.
Corporate social responsibility.
Computer energy is often wasteful - Leaving the computer on when not in
use .
Pollution - Due to manufacturing, packaging, disposal techniques.
Toxicity - Due to toxic chemicals involved in the manufacturing.
Green Computing – Why?
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4. * Lead: used in soldering of printed circuit boards
lead can cause damage to the central and
peripheral nervous system , blood systems
and kidneys.
* Mercury: used in batteries, switches . Mercury spreads
out in water transforming into methylated
mercury that can cause chronic brain damage.
* Cadmium: used in resistors for chips and in
semiconductors . Cadmium is classified as toxic,
these compounds accumulate in the human body,
particularly the kidneys.
Some Chemicals used
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5. E-waste Impacts in China
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6. Approaches to Green Computing
•Virtualization
•Power Management
•Power supply
•Display
•IT Equipment Recycling
•Remote Conferencing & Telecommuting Strategies
•Algorithmic efficiency
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7. Virtualization.
* Virtualization: Duplicating hardware with software.
Writing a program that does the same exact thing as a piece of hardware.
Savings Disposal Power.
Who is doing this?
The USDA used virtualization to reduce/consolidate 255 servers into 22!
4 Years ago, Los Alamos National Laboratories undertook a virtualization
project that decommissioned 100 servers, resulting in the use of only 13. This
has resulted in a savings of almost $1.5 Million dollars
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8. Power Consumption
* As circuit speed increases, power consumption grows.
* Designing low power circuits has been the most important issue .
* Mobile applications demand long battery life.
* Low power consumption is listed as the second greatest challenge for
the industry.
* A CPU uses 120 Watts.
* A CRT uses 150 Watts.
8 hours of usage, 5
days in a week = 562 K
Watts.
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9. • Bamboo : is becoming increasingly popular for making casings for
computers and peripherals.
• Recyclable plastics : computers are constructed from non-recyclable
plastics i.e. recyclable polycarbonate resin.
• Eco-friendly flame retardant : there are flame retardant silicone
compounds available that are flame retardant and completely non-toxic.
• Inventory management : reducing the quantity of both hazardous
materials used in the process and the amount of excess raw materials.
• Volume reduction : removes hazardous portion of waste from non
hazardous portion.
Green manufacturing
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10. Green Products.
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11. How to Implement ?
• Audit your data centre and remove unused equipment and software.
• Virtualise applications, storage and servers in the data centre wherever
appropriate.
• Consider consolidating data centers.
• Use of toxic materials like lead can be replaced by copper.
• Power-sucking displays can be replaced with green light displays made of
OLEDs, or organic light-emitting diodes.
• Buy and use a low power desktop or a laptop computer (40-90 watts)
rather a higher power desktop (e.g. 300 watts)
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12. A Perfect “Green Computing”
Example
A super low-power “processor”:
•800x faster
•1000x more memory
•3000x less power
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13. Processor V/s Brain.
Modern Processor made
by hundreds of PH.D.
researchers (The MOS
transistor was built from
Silicon, the pre-dominant
atom in rock and sand,
after processed in a high
temperature.)
Human Brain
( containing 100
billion neurons, each
linked to as many as
10,000 other
neurons.)
Speed 2.0 GHz Equivalent to 1,700
GHz processor
Memory
(Source: Oracle Corporation/
computer vs. brain)
100 GB 100,000 GB
Power
(Source: UC Berkeley, EE241
class)
45 mW/cm3 15 mW/cm3
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14. • Reuse: donate your computer components to people who may not have or
have lesser quality computers.
• Reduce: rather than discarding your computer upgrade it. Change its
some of the parts in order to make it new.
• Recycle: One of the major challenges is recycling the printed circuit boards
from the electronic wastes. The circuit boards contain such precious metals
as gold, silver, platinum, etc. and such base metals as copper, iron,
aluminum.
Green Disposal.
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15. The plan towards green IT should include new electronic products and
services with optimum efficiency and all possible options towards
energy savings.
FUTURE OF GREEN COMPUTING.
Advantages:
- Energy saving & Environmentally
Friend.
- Save more money per year.
- Green computing techniques will
actually translate into a much lower
carbon dioxide emission.
Disadvantages:
- High start up cost
- Not readily available
- Still in experimental stages
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16. Conclusion
The greenest computer will not miraculously fall from the sky one
day, it’ll be the product of years of improvements. The features of a
green computer of tomorrow would be like: efficiency, manufacturing &
materials, recyclability, service model, self-powering, and other trends.
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17. Thank you...!
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