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!!
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-
The mint in each city puts an identification mark under the year of issue.
· Coins minted in
· Mumbai have diamond.
·
· 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
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.
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
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
ART OF ENGINEERING
If you want to invest, a dollar spent on renewable energy
will become a dollar saved.
We shape our buildings, thereafter they shape us.
* 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 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
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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