A computer is any programmable electronic device that can store, recover, and process data. Moslems developed the basic idea of computing in the 1200's when they solved problems with a series of written procedures.
Mechanical calculators were manufactured for sale in the 1640's. There are some records for earlier machines, but Blaise Pascal invented the first commercial calculator. It was a hand powered adding machine. The first true multiplying calculator appeared in Germany shortly before the American Revolution. But, there were some tries to multiply mechanically made by Gottfried Liebnitz in the 1670s.
In 1935, Konrad Zuse, a German construction engineer, built a calculator that worked mechanically. He made it to handle the math involved in his profession. Shortly after completion, Zuse started on a programmable electronic device which he completed in 1938.
In Iowa State, in the basement of the physics building, John Vincent Atanasoff began work on a digital computer in 1936. A graduate student, Clifford John Berry assisted him. The ABC is designed to solve linear equations commonly used in physics. It displays some early features of later computers including electronic calculations. He showed it to the public in 1939 (History of Computers).
Nowadays, the uses of computers are limitless. If you look around you, I am sure that you will find a lot of computers nearby. Computers are used in medicine. For example, software is used for performing surgery and is used to store patient data. Also, it is used in mathematical calculations and solving complicated equations that need days to solve. In addition, it is used in the military extensively; pilots are trained in a simulator before going to a real flight. Moreover, some plans are piloted by a computer. One important use is the internet where you can access other documents, see your e-mail ….. etc(Dustin Wax). It is very hard to state all computer uses in one paper. Finally, this paper is done using a computer.
From the previous words, we can see that the computers have developed a lot. The first programmable computer was as big as a room, required a lot of energy to operate and was very slow. However, nowadays computers are small (laptops) very fast and require optimal energy to operate. It is hard to talk about the safety of the computers because they are always safe to use.
In terms of quality, anyone can see the rapid improvement in computer quality. For example, ten years ago, the processor of the commercial computer was about 800 MHz and the hard disk capacity was about 10 Gb. Nowadays. The processer can be up to 4000 MHz (mobile phone processor is 1200 Gb!) and hard disk capacity of 500 Gb ( Refurbished Fujitsu Laptops ). Today computers are much more efficient than previous ones. It is very hard to see a laptop ten years ago. But, we can see them everywhere nowadays. The desktop was used extensively which means it was limited to indoor use only. Now, most people use laptops since they are smaller and work with batteries. In addition, super computers are used in engineering to do hard iteration that is impossible to do with old computers. Even new commercial computers and laptops will take a very long time to do these jobs.
Computer technology will be improved because everyone needs it. One month ago, a new type of computer called the iPad was shown in the shops. It is very small compared to laptops. It has a touch screen and powerful processor and memory. That new computer technology will give us a sight on how the computers will be in the future. We can see the main parts of the computers (processor, RAM and capacity) will be improved at the same trend(Shah.A)
Mechanical calculators were manufactured for sale in the 1640's. There are some records for earlier machines, but Blaise Pascal invented the first commercial calculator. It was a hand powered adding machine. The first true multiplying calculator appeared in Germany shortly before the American Revolution. But, there were some tries to multiply mechanically made by Gottfried Liebnitz in the 1670s.
In 1935, Konrad Zuse, a German construction engineer, built a calculator that worked mechanically. He made it to handle the math involved in his profession. Shortly after completion, Zuse started on a programmable electronic device which he completed in 1938.
In Iowa State, in the basement of the physics building, John Vincent Atanasoff began work on a digital computer in 1936. A graduate student, Clifford John Berry assisted him. The ABC is designed to solve linear equations commonly used in physics. It displays some early features of later computers including electronic calculations. He showed it to the public in 1939 (History of Computers).
Nowadays, the uses of computers are limitless. If you look around you, I am sure that you will find a lot of computers nearby. Computers are used in medicine. For example, software is used for performing surgery and is used to store patient data. Also, it is used in mathematical calculations and solving complicated equations that need days to solve. In addition, it is used in the military extensively; pilots are trained in a simulator before going to a real flight. Moreover, some plans are piloted by a computer. One important use is the internet where you can access other documents, see your e-mail ….. etc(Dustin Wax). It is very hard to state all computer uses in one paper. Finally, this paper is done using a computer.
From the previous words, we can see that the computers have developed a lot. The first programmable computer was as big as a room, required a lot of energy to operate and was very slow. However, nowadays computers are small (laptops) very fast and require optimal energy to operate. It is hard to talk about the safety of the computers because they are always safe to use.
In terms of quality, anyone can see the rapid improvement in computer quality. For example, ten years ago, the processor of the commercial computer was about 800 MHz and the hard disk capacity was about 10 Gb. Nowadays. The processer can be up to 4000 MHz (mobile phone processor is 1200 Gb!) and hard disk capacity of 500 Gb ( Refurbished Fujitsu Laptops ). Today computers are much more efficient than previous ones. It is very hard to see a laptop ten years ago. But, we can see them everywhere nowadays. The desktop was used extensively which means it was limited to indoor use only. Now, most people use laptops since they are smaller and work with batteries. In addition, super computers are used in engineering to do hard iteration that is impossible to do with old computers. Even new commercial computers and laptops will take a very long time to do these jobs.
Computer technology will be improved because everyone needs it. One month ago, a new type of computer called the iPad was shown in the shops. It is very small compared to laptops. It has a touch screen and powerful processor and memory. That new computer technology will give us a sight on how the computers will be in the future. We can see the main parts of the computers (processor, RAM and capacity) will be improved at the same trend(Shah.A)
1- John Atanasoff. "I Needed a Computer." Student Resource Center. Wobbe Vegter, 2008. Web. 22 Apr. 2010. http://wvegter.hivemind.net/abacus/CyberHeroes/Atanasoff.htm
2- "Refurbished Fujitsu Laptops." Student Resource Center. RefurbishedLaptopsMarket, 19 Apr. 2010. Web. 22 Apr. 2010. http://refurbishedlaptopsmarket.com/refurbished-fujitsu-laptops/
3- Shah Newaz Alam. "Computer Parts List." Student Resource Center. 2010. Web. 22 Apr. 2010. http://www.buzzle.com/articles/computer-parts-list.html
4- Dustin Wax. "5 MORE Ways to Make Your Computer Work For You (And Not The Other Way Around)." Student Resource Center. 26 Mar. 2008. Web. 26 Apr. 2010. http://www.lifehack.org/articles/productivity/5-more-ways-to-make-your-computer-work-for-you-and-not-the-other-way-around.html
5- "History of Computers." Student Resource Center. 2009. Web. 26 Apr. 2010. http://goldenink.com/computersandnetworks.shtml
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