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Techie Magazine 2008

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Remember

 REMEMBER

G. Shankar, II IT                                         

 

It is not what you earn,

But what you save,

That makes you rich.

It is not what you learn,

But what you remember,

That makes you ready for success!!

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Curious facts to know

 CURIOUS  FACTS  TO  KNOW

 

                                                                  R.SELVAM , III EEE

 

1.The letters A,B,C,& D do not appear in the spelling of 1 to 99.

    D  appears first time in hundred.

    A  appears first time in  thousand.

    B appears first time in  billion.

    C appears first time in crore.

2. The longest word in English is- “Pneumonoultramicrosopisilicovolcanoconiosis”

   (43 letters)  It is a disease occurring in lungs.

3. Indian coins are mainly minted in four cities namely- Delhi,Mumbai,Kolkata,&Hyderabad.

The mint in each city puts an identification mark under the year of issue.

·       Coins minted in Delhi have Dot.

·       Mumbai have diamond.

·       Hyderabad have star.

·       Kolkata have nothing beneath the year.

4.KEYBOARD INVENTER:Why keyboard does not start from A to Z?

 Ans:Keyboard was invented by “QWERTY”. So his name is the first line of the keyboard.

              

5.129 YEARS:Napolean was born in 1760, Hitler was born in 1889; the difference is 129 years.  Napolean came to power in 1804, Hitler came to power in 1933; the difference is 129  years. Napolean occupied Vienna in 1808, Hitler occupied Vienna in 1937; again the difference is 129 years. Napolean declared war on Russia in 1812, Hitler declared war on Russia in 1941; amazingly the difference is 129 years.                                                                           

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Chemistry in life

                             CHEMISTRY IN LIFE

 

                                                                                                                                      A. Junaidha Begum

                                                                                                                                                  II year IT

 

Cool your anger,

Boil your enthusiasm,

Evaporate your sadness,

Dilute your sorrows,

Concentrate your happiness,

Filter your enemies,

Precipitate your goodness,

Recrystallize your Knowledge,

Reduce your Chatter,

Increase your activity,

Accelerate your life,

as the catalyst.

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Mind Power

 MIND POWER

                                                    G.SHANKAR II YEAR IT

 

1.              If x + y = 3 & y/x = 2 then y =?

a. 0 b. ½ c. 1 d. 2

2.              If a = 2/3b, b = 2/3c and c = 2/3d what part of d is?

          a. 8/27 b.4/9 c. 2/3 d.75%

3.              Successive discounts of 20% and 15% are equal to a single discount of?

a. 30% b. 32% c. 34% d. 35%

4.              The petrol tank of an automobile can hold g liters. If a liter was removed when the tank was full, what part of the full tank was removed?

a. g-a b. a/g c. (g-a)/a d. (g-a)/g

5.              If 2x-y = 4 then 6x-3y =?

a. 15 b. 12 c. 18 d. 10

6.              If x = y = 2z and xyz=256 then what is the value of x?

a.12 b. 8 c. 16 d. 6

7.              (1/10)­­­­­ the whole power of 18 – (1/10)­­­­ the whole power of 20?

a. 99/10 power of 20 b. 99/10 c. 0.9 d. none of these

8.              Pipe A can fill in 20 minutes and Pipe B is 30 minutes and Pipe C can empty the same in 40 mins. If all of them work together, find the time taken to fill the tank?

a. 171/7 mins b. 20 mins c. 8 mins d. none of these

9.              Thirty men take 20 days to complete a job working 9 hours a day. how many hour a day should 40 men work to complete the job?

a.       8 hrs b.7 ½ hrs c. 7 hrs d. 9 hrs 

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Tech Talk

 Tech Talk

 

Wayback Machine

 

Ø     Apple Computer

Ø     Amazon

Ø     Microsoft

Ø     BBC News

Ø     Google

Ø     Open Directory

Ø     Wikipedia

 

The way back Machine is a digital time capsule created by the Internet Archive. It is maintained with content from Alexa Internet. This service allows users to see archived versions of web pages across time, what the Archive calls a “three dimensional index”. Snapshots become available 6 to 12 months after they are archived. The Wayback Machine contains almost 2 petabytes of data and is growing at the rate of 20 terabytes per month. A two-third increase over the 12 terabytes/month growth rate was reported in   2003. Its growth rate eclipses the amount of text contained in the world’s largest libraries, including the Library of Congress. The data is stored on Petabox rack systems manufactured by Capricorn Technologies.

  

  The name Wayback is a reference to a segment from The Rocky and Bullwinkle Show in which Mr. Peabody, a bow tie-wearing dog with a professorial air, and his human “pet boy” assistant Sherman use a time machine called The “WABAC machine” to witness, participate in, and more often than not alter famous events in history.

 

                                                By

A.   Arnold Praveen Kumar,

II year IT

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ART OF ENGINEERING

ART OF ENGINEERING

 

The best energy dollar spent is the one spent on conservation. 
If you want to invest, a dollar spent on renewable energy
will become a dollar saved.

 

We shape our buildings, thereafter they shape us.

 

  *    Go for civil engineering, because civil engineering is the branch of engineering which teaches you the most about managing people. Managing people is a skill which is very, very useful and applies almost regardless of what you do.

 

 Architects and engineers are among the most fortunate of men since they build their own monuments with public consent, public approval and often public money.

 

* Inventing is the mixing of brains and materials. The more brains you use, the less materials you need.

 

 *  The ideal engineer is a composite ... He is not a scientist, he is not a mathematician, he is not a sociologist or a writer; but he may use the knowledge and techniques of any or all of these disciplines in solving engineering problems.

 

  *  Engineering is the professional art of applying science to the optimum conversion of natural resources to the benefit of man.

 

Engineering is the science of economy, of conserving the energy, kinetic and potential, provided and stored up by nature for the use of man. It is the business of engineering to utilize this energy to the best advantage, so that there may be the least possible waste.

 

 * Engineering is the practice of safe and economic application of the scientific laws governing the forces and materials of nature by means of organization, design and construction, for the general benefit of mankind.

                                                                                    

                                                                                         S.NIRMALKUMAR

                                                                                          CIVIL ENGG.., DEPARTMENT

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Network Topology

NETWORK TOPOLOGY

                                                                                                                                  By G. Shankar,II  year IT

            Network topology is the study of the arrangement or mapping of the elements (links, nodes, etc) of a network, especially the physical (real) and logical (virtual) interconnections between nodes. A local area network (LAN) is one example of a network that exhibits both a physical and logical topology. Any given node in the LAN will have one or more links to one or more other nodes in the network and the mapping of these links and nodes onto a graph results in a geometrical shape that determines the physical topology of the network. The physical and logical topologies might be identical in any particular network but they also may be different.

            Any particular network topology is determined only by the graphical mapping of the configuration of physical and/or logical connections between nodes. LAN network topology is, therefore, technically a part of graph theory. Distance between nodes, physical interconnections, transmission rates, and/or signal types may differ in two networks and yet their topologies may be identical.

 

BASIC TYPES OF TOPOLOGIES

            The arrangement or mapping of the elements of a network gives rise to certain basic topologies which may then be combined to form more complex topologies (hybrid topologies). The most common of these basic types of topologies are

Ø      Bus (linear, linear Bus)

Ø      Star

Ø      Ring

Ø      Mesh

v     Partially connected mesh (or simply ‘mesh’)

v     Fully connected mesh

Ø      Tree

Ø      Hybrid

Ø      Point to Point

There are also three basic categories of network topologies:

Ø      Physical topology

Ø      Logical topology

Ø      Signal topology

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