Anti-virus software is software that you install on your computer so that you can be alerted when you have a virus. Anti-virus software will help to keep your computers safe against worms, viruses, Trojan horses, and other uninvited programs.

The software can also help you clean your computer if you should happen to have a virus. The important thing to remember about anti-virus software is that you make sure to update it often so that you get the latest computer virus definitions installed into the software program. There is no point in having the anti-virus software if you're not going to update it. You'll be able to get updates from the vendor that sold you the anti-virus software, such as Norton.

Many times you may already have anti-virus software on your computer in which case you be sure to uninstall it before installing your new software. To find out if you have virus software check under your Start menu to see if you one listed, such as McAfee or Norton. Keep in mind that just because you have anti-virus software already installed on your computer that it (1) might not be working, and (2) hasn't been updated for a long time.

Once you've installed anti-virus software on your computer you're going to want to make sure that you use it correctly. Make sure that the settings in your computer automatically turn the anti-virus software on when you boot up your computer. You always want to be protected. If you're downloading something off the Internet your anti-virus software will let you know if there is a problem.

You can also use the anti-virus software to specifically scan any downloads, or files, that that have been sent to you via e-mail. If you are alerted that you have a virus your software will guide you with the right steps to removing it. Make sure that you don't continue to use your computer until the virus, or worm that you have, is removed. You don't want to send e-mail to friends and help in the spreading of the virus.

Definition of Computer Aided Design (CAD) Software

CAD is computer aided design. CAD is used for designing objects such as architectural designs, mechanical designs, and electrical designs. When you use this type of software tool you'll be able to get results that are perfect each time and that look very professional. Most software packages will come with a multitude of graphics that are already built into the system. All you need to do is choose what you want and add them to the design that you're working with. You don't need to be an artist to use a CAD tool. The features that are built into this type of software will do all the aligning for you. You'll be able to have all the design power that you need when you use CAD software.

Most CAD software programs will also come with many templates that you can use, as well as the symbols that you need to create designs that are readable and 100% useable. Besides using the CAD tool to create designs for your architectural or mechanical business you can use it to create floor plans to design your new home, landscaping designs for your garden, circuit diagrams for your electrical needs, and block diagrams.

There are many CAD software packages that you can choose from. The best thing is to know exactly what you want from the software so that you're not disappointed with your purchase. CAD software doesn't come without a high price and most times will be un-returnable once you've opened it and installed it on your computer. If you're unsure about what CAD software package to buy you may be able to try a free download that many software manufacturers will offer to try and get your attention. This will allow you, for a short period of time, to work with the CAD software to be sure it's what you want and does what you want it to do.

History of the Computer - Computers and Technology

The volume and use of computers in the world are so great, they have become difficult to ignore anymore. Computers appear to us in so many ways that many times, we fail to see them as they actually are. People associated with a computer when they purchased their morning coffee at the vending machine. As they drove themselves to work, the traffic lights that so often hampered us are controlled by computers in an attempt to speed the journey. Accept it or not, the computer has invaded our life.

The origins and roots of computers started out as many other inventions and technologies have in the past. They evolved from a relatively simple idea or plan designed to help perform functions easier and quicker. The first basic type of computers were designed to do just that; compute!. They performed basic math functions such as multiplication and division and displayed the results in a variety of methods. Some computers displayed results in a binary representation of electronic lamps. Binary denotes using only ones and zeros thus, lit lamps represented ones and unlit lamps represented zeros. The irony of this is that people needed to perform another mathematical function to translate binary to decimal to make it readable to the user.

One of the first computers was called ENIAC. It was a huge, monstrous size nearly that of a standard railroad car. It contained electronic tubes, heavy gauge wiring, angle-iron, and knife switches just to name a few of the components. It has become difficult to believe that computers have evolved into suitcase sized micro-computers of the 1990's.

Computers eventually evolved into less archaic looking devices near the end of the 1960's. Their size had been reduced to that of a small automobile and they were processing segments of information at faster rates than older models. Most computers at this time were termed "mainframes" due to the fact that many computers were linked together to perform a given function. The primary user of these types of computers were military agencies and large corporations such as Bell, AT&T, General Electric, and Boeing. Organizations such as these had the funds to afford such technologies. However, operation of these computers required extensive intelligence and manpower resources. The average person could not have fathomed trying to operate and use these million dollar processors.

The United States was attributed the title of pioneering the computer. It was not until the early 1970's that nations such as Japan and the United Kingdom started utilizing technology of their own for the development of the computer. This resulted in newer components and smaller sized computers. The use and operation of computers had developed into a form that people of average intelligence could handle and manipulate without to much ado. When the economies of other nations started to compete with the United States, the computer industry expanded at a great rate. Prices dropped dramatically and computers became more affordable to the average household.

Like the invention of the wheel, the computer is here to stay.The operation and use of computers in our present era of the 1990's has become so easy and simple that perhaps we may have taken too much for granted. Almost everything of use in society requires some form of training or education. Many people say that the predecessor to the computer was the typewriter. The typewriter definitely required training and experience in order to operate it at a usable and efficient level. Children are being taught basic computer skills in the classroom in order to prepare them for the future evolution of the computer age.

The history of computers started out about 2000 years ago, at the birth of the abacus, a wooden rack holding two horizontal wires with beads strung on them. When these beads are moved around, according to programming rules memorized by the user, all regular arithmetic problems can be done. Another important invention around the same time was the Astrolabe, used for navigation.

Blaise Pascal is usually credited for building the first digital computer in 1642. It added numbers entered with dials and was made to help his father, a tax collector. In 1671, Gottfried Wilhelm von Leibniz invented a computer that was built in 1694. It could add, and, after changing some things around, multiply. Leibnitz invented a special stopped gear mechanism for introducing the addend digits, and this is still being used.

The prototypes made by Pascal and Leibnitz were not used in many places, and considered weird until a little more than a century later, when Thomas of Colmar (A.K.A. Charles Xavier Thomas) created the first successful mechanical calculator that could add, subtract, multiply, and divide. A lot of improved desktop calculators by many inventors followed, so that by about 1890, the range of improvements included: Accumulation of partial results, storage and automatic reentry of past results (A memory function), and printing of the results. Each of these required manual installation. These improvements were mainly made for commercial users, and not for the needs of science.

While Thomas of Colmar was developing the desktop calculator, a series of very interesting developments in computers was started in Cambridge, England, by Charles Babbage (of which the computer store "Babbages" is named), a mathematics professor. In 1812, Babbage realized that many long calculations, especially those needed to make mathematical tables, were really a series of predictable actions that were constantly repeated. From this he suspected that it should be possible to do these automatically. He began to design an automatic mechanical calculating machine, which he called a difference engine. By 1822, he had a working model to demonstrate. Financial help from the British Government was attained and Babbage started fabrication of a difference engine in 1823. It was intended to be steam powered and fully automatic, including the printing of the resulting tables, and commanded by a fixed instruction program.

The difference engine, although having limited adaptability and applicability, was really a great advance. Babbage continued to work on it for the next 10 years, but in 1833 he lost interest because he thought he had a better idea; the construction of what would now be called a general purpose, fully program-controlled, automatic mechanical digital computer. Babbage called this idea an Analytical Engine. The ideas of this design showed a lot of foresight, although this couldn't be appreciated until a full century later.

The plans for this engine required an identical decimal computer operating on numbers of 50 decimal digits (or words) and having a storage capacity (memory) of 1,000 such digits. The built-in operations were supposed to include everything that a modern general - purpose computer would need, even the all important Conditional Control Transfer Capability that would allow commands to be executed in any order, not just the order in which they were programmed.

As people can see, it took quite a large amount of intelligence and fortitude to come to the 1990's style and use of computers. People have assumed that computers are a natural development in society and take them for granted. Just as people have learned to drive an automobile, it also takes skill and learning to utilize a computer.

Computers in society have become difficult to understand. Exactly what they consisted of and what actions they performed were highly dependent upon the type of computer. To say a person had a typical computer doesn't necessarily narrow down just what the capabilities of that computer was. Computer styles and types covered so many different functions and actions, that it was difficult to name them all. The original computers of the 1940's were easy to define their purpose when they were first invented. They primarily performed mathematical functions many times faster than any person could have calculated. However, the evolution of the computer had created many styles and types that were greatly dependent on a well defined purpose.

The computers of the 1990's roughly fell into three groups consisting of mainframes, networking units, and personal computers. Mainframe computers were extremely large sized modules and had the capabilities of processing and storing massive amounts of data in the form of numbers and words. Mainframes were the first types of computers developed in the 1940's. Users of these types of computers ranged from banking firms, large corporations and government agencies. They usually were very expensive in cost but designed to last at least five to ten years. They also required well educated and experienced manpower to be operated and maintained. Larry Wulforst, in his book Breakthrough to the Computer Age, describes the old mainframes of the 1940's compared to those of the 1990's by speculating, "...the contrast to the sound of the sputtering motor powering the first flights of the Wright Brothers at Kitty Hawk and the roar of the mighty engines on a Cape Canaveral launching pad". End of part one.

Works Cited

Wulforst, Harry. Breakthrough to the Computer Age. New York: Charles Scribner's Sons, 1982.

Palferman, Jon and Doron Swade. The Dream Machine. London: BBC Books, 1991.

Campbell-Kelly, Martin and William Aspray. Computer, A History of the Information Machine. New York: BasicBooks, 1996.

Business Solutions With Business Software

There are many different types of business software that you can purchase for your business or home office. No matter what office task that you're trying to accomplish, there is a piece of software out there for you to make your job faster and easier.

Some typical pieces of business software include accounting software, billing software, timesheet software, and order-entry software. Business software can be sold separately or it often comes bundled in a software package. Most business will want to have some type of accounting software in the office. Excel spreadsheets are a great way to keep track of things but sometimes more functionality is needed, such as that found in a comprehensive accounting program.

If you don't want to pay the big dollars for a large accounting program, but still want to keep detailed information about your business, you may want to consider buying bookkeeping business software, which is less expensive but will still get the job done.

With all the business software available to you it's easy to get confused about what you want, what you need, and how to tie it all together. Contact a software dealer in the area where you live and ask for some advice. Or talk to someone who works in an office and uses business software. Sometimes word of mouth is the best way to determine what software actually does what it says it's going to do.

Keep in mind that there will be a learning curve when it comes to using any new software. You'll need to learn what the software can do and how to implement it with your own personal preferences. If you're unsure of how to use software of any kind you may want to think about taking a computer software refresher course at a college or online.

The business software that you decide to purchase may also come with a built in tutorial so that you get some hands on practice before starting to use the software.

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