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The Computer

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Taylor Harris

on 11 November 2013

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Transcript of The Computer

The evolution of the computer
The first computer

The first generation of computers were huge, slow, expensive and often unreliable. In 1946, two Americans, build the ENIAC (Electronic Numerical Integrator and Computer). It used vacuum tubes instead of mechanical switches , they built the UNIVAC, which could calculate at the rate of 10,000 addition per seconds.
When Was It Developed?
Where was it developed?
I hope you enjoyed this, over all i would like to conclude all that i talked about.

The name of the technology or device,When it was developed, Where was it developed,What company or individual invented or developed it, What it is used for,What are the main features,How does it Encode/decode/transmit/receive/store or retrieve data, How has it changed over the years,How has this technology changed the sharing and transfer of communication in society for the better,Has it caused any negative impacts on society, and What, if anything is being used to replace it.

Photo courtesy of Marcin Wichary
Computers have been around for quite a few years. Some of your parents were probably around in 1951 when the first computer was bought by a business firm. Computers have changed so rapidly many people can not keep up with changes.
First Generation
By:Taylor Harris
The first computer was developed in 1642 and consisted of gears and wheels. The first wheel would count from 1 to 9, the second wheel would count from 10 to 99, the third wheel would count from 100 to 999, etc. The only problem with the first computer, was that it could only add and subtract. It’s inventor was a French Mathermation and Scientist by the name of Blaise Pascal.
What company or individual invented it?
1936 ~ Konrad Zuse - Z1 Computer First freely programmable computer.

1953 ~ International Business Machines
IBM 701 EDPM Computer IBM enters into 'The History of Computers'.

1981 ~IBM ;' The IBM PC - Home Computer From an "Acorn" grows a personal computer revolution

1985 ~ Microsoft Windows Microsoft begins the friendly war with Apple.

What was it used for?
•Z1 Computer: Developed in 1936 by Conrad Zuse, the first freely programmable computer served as an automatic calculator device with three elements: a control, a memory and a calculator for arithmetic. It used a punched tape reader as its output device instead of a monitor.

•ABC Computer: The first electronic-digital (binary) computer was developed by Atanasoff and Clifford Berry in 1942. It used parallel processing, regenerative memory and had a separation of memory and computing functions.

•Harvard Mark I Computer: Howard Aiken and Grace Hopper developed this model in 1944. Imagine a giant room full of noisy, clicking metal parts, 55 feet long and eight feet high. The five-ton device contained almost 760,000 separate pieces.
What are the main features?
How it changed over the years.
Here are some of the ways in which computers have changed over the years:

Size- The size of computers have changed drastically through the years. There are still some very bulky systems but most computers are easier to handle. For instance, the CPU used to lay flat. That had it’s advantages because you could sit the monitor directly on top of it. Most desktop computers today have towers instead. The difference is the monitors are much smaller. Most monitors are flat screens now compared to the huge, bulky ones of the past. This makes viewing the monitor much easier on the eyes because it can sit further away from your face. There is no longer a need to sit the monitor on top of the CPU because newer monitors allow you to have more space on the desk.

Speed- The speed of computers has come a long way since it was invented. In fact, loading pages, opening programs and nearly anything else you want to do comes at lightening speeds today. There is little to no waiting time when it comes to computers today.

How does it encode/decode
To send data over a communication medium such as a phone line, the data must be serialized— that is, converted into a string of ones and zeros that are transmitted serially over the line. Serialization must be done in such a way that the computer receiving the data can convert the data back into its original format. How serialization is accomplished is called a communication protocol, and is controlled by both software and data-transmission hardware. There are several levels at which the data is converted. The following illustration shows a greatly simplified view of communication protocol layers
Has the computer caused any negative impacts on society?

•A high percentage of people sit at their computer far too long and some people lose reality as far as social activities and learning social skills. Not to mention packing on the weight and the lack of exercise that will haunt them further on down the road.
•Sitting behind a computer all day is hard on the eyes.
•Being on the computer too much takes away the imagination for most (although for a very few they can be creative in advertising and digital imagery, etc. on websites.)
•More crime is committed through the Internet.
•Spammers are annoying.
•Hackers can ruin your computer system.

The first ever Apple computer that company founder Steve Jobs sold from his parents' garage is up for sale - for a whopping £150,000.
Is there anything being used to replace the computers?
Yes, they are trying to replace the computers with phones. the phones are getting faster,smaller,more portable,and they can be used just like a computer.
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