... remove power cables before opening the case. So that you do not get an electrical shock from any part of the computer. Use correct tools when working on the machine. To prevent any damage to the computer when working on the machine. If available use earth protections devices. This will stop any static electricity effecting or damage any electronic components inside the ... to your eyes and brain from excessive uses. When working on the internals of a computer have the machine at waist height. This will prevent you from having backaches and pains. Position yourself and your computer in a...

• Word Count: 793
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• Grade Level: High School

... quicker to write at the time than to use his invention. After a 2nd attempt Burt managed to produce a typewriter the size of a present day pinball machine, thank god I don't get Christmas presents from him!! Believe it or not some of the future inventions of typewriters were just as bad. However three friends ... by switches or relays. These while expensive, and like the modern vacuum, used a lot of power, they were surprisingly quiet. Now if you can imagine a machine 10ft tall, occupying 1,000 square ft of floor space, weighing approximately 30 tonne, using more than 70,000 resistors, 1...

• Word Count: 870
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• Grade Level: High School

... humans and machines live in a carefree world. The author in passage two, The author descries the mechanical relationship between humans and machines. Passage Two is the human controlling the machine, and using the machine has an aid. In passage one, the author explains the future of humans and machines. The main Idea for this passage is the world is a carefree place with ... its like the movie the Terminator, the computers turning on there masters. The author in both these passages are sharing there view on what the future holds for man and machine. The authors try to give their readers...

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• Grade Level: High School

... . In 1694, a German mathematician and philosopher, Gottfried Wilhem von Leibniz (1646-1716), improved the Pascaline by creating a machine which also can multiply. But it wasn't until 1820 that mechanical calculators started to be widely used. Charles Xavier Thomas de Colmar, a Frenchman, invented ... a machine that didn't only add sums up, but also could subtract, multiply and divide. It is also widely used until the First ... to complete, Hollerith's computer only needed six weeks to do the same task. Hollerith brought his invention to the business world, founding Tabulating Machine Com...

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• Grade Level: High School

... computer interaction with interfaces among people with disabilities. But one of the drawbacks to the interaction is cost. Another drawback to this kind of interaction is the privacy issue. Consider a machine capable of reading your thoughts or emotions. Scary, isn't it? Conversing with machines is moving toward pervasive computing in the eyes of IBM researchers, which will mean more sophisticated technology ... them. We will find microprocessors in use in all kinds of consumer products that we have no conception of today. One person's attitude is likely to reflect one's experiences with...

• Word Count: 970
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• Grade Level: High School

... is, what is software and what is hardware? The simplest answer to this question would be that "Hardware is the machine/ computer and all its parts" where as "Software is the program that controls the working of these machine parts or the entire machine". In today's world computer has become the essence/ basic necessity of life, may that be the life of a school ... ...

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... used Napier's logarithms as the basis for his invention, the slide rule. In 1642, Blaise Pascal developed the "Pascaline." 1694 when Gottfried Leibnitz invented the "stepped reckoner." Theoretically this machine could handle the four arithmetic functions, had delayed carrying device, and contained the stepped drum principle, which 150 years later was used in the first commercially successful calculator. In the ... started to happen. Joseph Jacquard invented the "jacquard loom." Charles Babbage, also known as the father of computing, contributed to the basic design of the computer through ...

• Word Count: 518
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• Grade Level: High School

... said " An idiot with a computer is a faster, better idiot" Good morning teachers and my dear friends. I am here to talk to you about some of the advantages of that holy machine adorning your room. The computer. 5000 years ago, the first computer the abacus was made. This device allowed users to make computations using a system of sliding beads arranged on a rack ... . Early merchants used the abacus to keep trading transactions. Then came Blaise Pascal with the Pascaline, a machine that could computer fast, but only add. Following him was Colmar with his calculator and ultimately, the fi...

• Word Count: 628
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• Grade Level: High School

... the nineteenth century there were inventions in data communications that we still use today. In eighteen thirty-seven Samuel Morse invented the first electronic communication device called the telegraph machine. The telegraph machine was used by railroads to help prevent head-on collisions. In eighteen seventy-four Emil Baudot, the forerunner of many data processing codes, created a constant length code that used ... ...

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... carry them from another computer to yours for processing. Opening files on a computer across your office will be as simple if they were stored on your own machine. Printers Sometimes the printer connected to your machine doesn't have the capabilities of another printer in your office; i.e. colour or laser quality. To print on another printer in a non-networked situation, you have two ... ...

• Word Count: 1023
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• Grade Level: High School

... the flat cable of numerous wires that joins in with components in the computer. For Example: connection to the CPU to the hard disk. The hard disk is where the machine stores data and programs. When a computer is turned on it searches it memory it is called the operating system. Windows 98 and Mac are forms of operating system. The abacus ... on it. Blaise Pascal invented the first mechanical computer in 1642 at the 19. It was a calculator that you fed numbers by turning dials. Pascal built 50 copies of his machine. Only the wealthy owned them. A German man, Gottfried Leibniz added a ge...

• Word Count: 911
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... in a matter of two years time. Software applications based on today's needs require more hard disk space and speed to run efficiently. The most powerful system would be the 586 machine which was developed in November, 1992. The space required on a business system depends on the firm. If a company has a network, their memory would range on the applications required to run ... market so far. This program is easy for the user to learn, it contains a spell and punctuation check, it contains pre designed graphic arts, a thesaurus, and runs efficiently on a 386 machine that is basically not f...

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... follow in order to perform their functions, or programs. Computer programs are expressed in precise notations called programming languages. Special programs called compilers are designed to translate programming languages into machine language. Machine language is the language that machines read to perform specific tasks. Computer programmers write, or create, programs specified to what the employer wants. They also conceive, design, and test ... ...

• Word Count: 711
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• Grade Level: Undergraduate

... speed. Desktops are very powerful and are the industry standard for photo editing, gaming, and other multimedia applications. The second advantage desktops have is the ability to easily upgrade your machine. As for drawbacks, the most obvious is the fact that the computer is completely stationary and cannot be taken with the user. For most people this is not a problem but ... with some weighing in at a feather light weight of three pounds. Laptops are usually quite a bit more expensive than a desktop because of the technology it takes to make such a compact machine. Laptops are ideal fo...

• Word Count: 548
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... needed for these machines. Gates was able to arrange a meeting at Micro Instrumentation and Telemetry Systems, the manufacturer of Altair, by telling them that he had a program written for their machine. Once the appointment was scheduled, Gates and Allen stayed up nights working feverishly to write the program they promised they had. Since they did not have an Altair or the ... when it came time to demonstrate the software at the meeting with Micro Instrumentation and Telemetry Systems, it would be the very first time it would run on the actual machine and if Gates" code or Allen's sim...

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... " in the communication system of the shop. A "server" means/refers to a distributing or transhipment centre which has the specific function in the communication system. For example, she can set a fax machine which can do receiving, storing, listing and processing of the fax for the manager, staffs and customers. In the other hand, she also can set a printer which can list and ... LAN, so each node becomes a client of the server. It means the star topology network. This server computer not only controls other computers, but also connects with the printer, fax machine, and being official f...

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... Intel, maker of the PC's microprocessor chip. Intel sold smaller, quicker, and cheaper microprocessors to clone makers. Using reverse engineering, many companies benefited from this situation including Apple, Compaq and e-machine. Apple Apple was founded in 1976, in a California garage. Steve Wozniak was the technical wizard and Steve Jobs was the visionary who saw microcomputer as a possible profitable business. The first ... ...

• Word Count: 822
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• Grade Level: High School

... . It is essentially the brain of the computer and though it is the main determining factor in the processing power of the computer as a whole, many other parts of the machine are just as important in overall performance. Many people don't know this and that is how computer corporations have cheated people out of their money for so many years by ... ...

• Word Count: 741
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• Grade Level: Undergraduate

A computer consists of many components, all very different in functionality but they all work together to make a powerful machine that helps us in our everyday activities. They facilitate basic functions such as term paper or speeches or even managing our money on a day-to-day basis. Of course there ... ...

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... . They created a scheduling program for the school. This aided the administration in filling slots for classes each semester. Then a couple months afterwards, the duo founded a company called Traf-O-Data. This machine generated statistics on traffic flow from a rubber tube strung across a highway. Unfortunately Traf-O-Data was not a huge success, but gained Paul and Bill experience for their future undertakings. In 1973 ... ...

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... , and had an amazing eight megahertz, and four hundred kilobyte floppy disk drive (approximately four hundred thousand bytes {1 kilobyte equals 1040 bytes which is usually rounded to 100}). This amazing machine sold for $2,495, which was a lot of money but comparatively cheap (www.apple-history.com). Sadly, in February 1981 Steve Wozniak was injured while piloting a high performance plane (MacDirectory Interviews ... ...

• Word Count: 768
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... or PC manual. On the expensive side are 30-pin SIMMs, which are rarely produced anymore. If you're thinking of getting 30-pin SIMMs to speed up an older machine, shop around first. In the long run, it may be cheaper to purchase a whole new system or to upgrade the motherboard. ROM Semiconductor-based Memory which contains instructions or data ... ...

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... was released as a whole system and IBM had secretly given PC prototypes to software developers so when it was released, there was many programs and accessories available for the new machine. IBM developed monitors, printers, and expansion cards, making the IBM PC an open system for expansion. The IBM PC used an Inel 8088 microprocessor that had 16K of RAM, which ... ...

• Word Count: 944
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• Grade Level: Undergraduate

... to mass-produce computers easier because they are all the same, instead of each Dell computer is a little bit different. Dell also offers excellent service and they are servicing the machine that they built. The service with Compaq is provided by the reseller who has to know how to fix every computer that they carry and cannot focus on one particular ... ...

• Word Count: 390
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... from high school. Even though the computer went up in smokes after a basic groundwork test, his friendship with Jobs would turn into a new industry. Steve kept on working with his machine even after the failed attempt. He realized that the Altair was in need of a microprocessor, the Intel 8800, to do its thinking. Since he wouldn't afford the price of $120 ... ...

• Word Count: 448
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• Grade Level: High School