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Why was the Practical Mowing Machine invented?
The practical mowing machine was invented because of the extreme labor it took to cut hay and grass. It took a lot of people and a lot of extra money to mow the grass. With the invention, the farmer could mow without help and without the extra expense of extra people. It also cut the time for harvest down to practically nothing.
What is prori analysis and posteriori testing of algorithms?
A priori analysis of an algorithm refers to its time and space complexity analysis using mathematical (algebraic) methods or using a theoritical model such as a finite state machine. (In short, analysis prior to running on real machine.) A posteriori analysis of an algorithm refers to the statistical analysis of its space and time complexity after it is actualy run on a practical machine. (in short, anaysis of its statistics after running it on a real machine)
What is the superlative for practical?
Most Practical
Is or isn't desalination practical?
it is practical, but energy consuming
Why sine wave is used to generation of electricity?
A sine wave is, theoretically at least, the naturally-generated voltage produced by any rotating machine. This is because the voltage induced into a conductor that rotates within a magnetic field is proportional to the sine of the angle at which the conductor cuts the magnetic flux. In practise, a perfect sine wave is not produced in most practical machines, but it is close enough for practical purposes.
What is practical application?
a simple machine
When was the first practical sewing machine built?
the first practical sewing machine is credited to the work of Englishman Thomas Saint in 1790
What was the first practical writing machine?
Type Writre.
Is owning an ice machine practical if I have a lot of parties?
It depends on your definition of a lot, but if you do throw a lot of parties it is something to think about. You can own an ice machine for as little as $180.
What has the author Harold Foote Gosnell written?
Harold Foote Gosnell has written: 'Machine politics' -- subject(s): Politics and government, Politics, Practical, Practical Politics 'Boss Platt and his New York machine' -- subject(s): Politics and government, Roosevelt, Theodore, 1858-1919
What is William S Burroughs famous for?
William Seward Burroughs is famous for inventing the first practical adding and listing machine.
Where was the refrigerator?
In 1873 Carl von Linde built the first practical and portable compressor refrigeration machine in Munich, Germany.
What are the reasons to condemn old machines?
Machines of any sort are generally 'condemned' for a number of reasons. The machine is worn or damaged to an extent that it is not practical to repair it. The machine is no longer safe to use. The machine is obsolete. Spare parts are not available for the machine, even if it is in good shape. The machine is not efficient to use in comparison to newer models.
In what year did William Seward Burroughs invent the adding machine when?
In 1885 William Seward Burroughs constructed his first calculating machine; though it proved commercially impractical. He patented a practical model in 1892.
Who invented the typerighter?
In 1867, Christopher Sholes, Carlos Glidden and Samuel Soule invented the first practical mechanical typewriter machine.
What is the history of refrigeration?
The first refrigeration machine was introduced by Oliver Evans in 1805. The first practical refrigerator was build by Jacob Perkins in 1834.
Why did it take electronics to make practical computing machine?
Electronics are required to make computing machines practical because they are capable of performing all of the essential operations (read, write, add, subtract, etc.) with components that take up a very small amount of space. While it is possible to make a completely mechanical computing machine, the sheer amount of machinery required to perform even simple operations makes this type of machine infeasible.
