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History of the Computer - Computers and Technology

The volume and use of computers in the worldby many inventors followed, so that by about
are so great, they have become difficult to1890, the range of improvements included:
ignore anymore. Computers appear to us in soAccumulation of partial results, storage and
many ways that many times, we fail to seeautomatic reentry of past results (A memory
them as they actually are. People associatedfunction), and printing of the results. Each
with a computer when they purchased theirof these required manual installation. These
morning coffee at the vending machine. Asimprovements were mainly made for commercial
they drove themselves to work, the trafficusers, and not for the needs of science.While
lights that so often hampered us areThomas of Colmar was developing the desktop
controlled by computers in an attempt tocalculator, a series of very interesting
speed the journey. Accept it or not, thedevelopments in computers was started in
computer has invaded our life.The origins andCambridge, England, by Charles Babbage (of
roots of computers started out as many otherwhich the computer store "Babbages" is
inventions and technologies have in the past.named), a mathematics professor. In 1812,
They evolved from a relatively simple idea orBabbage realized that many long calculations,
plan designed to help perform functionsespecially those needed to make mathematical
easier and quicker. The first basic type oftables, were really a series of predictable
computers were designed to do just that;actions that were constantly repeated. From
compute!. They performed basic math functionsthis he suspected that it should be possible
such as multiplication and division andto do these automatically. He began to design
displayed the results in a variety ofan automatic mechanical calculating machine,
methods. Some computers displayed results inwhich he called a difference engine. By 1822,
a binary representation of electronic lamps.he had a working model to demonstrate.
Binary denotes using only ones and zerosFinancial help from the British Government
thus, lit lamps represented ones and unlitwas attained and Babbage started fabrication
lamps represented zeros. The irony of this isof a difference engine in 1823. It was
that people needed to perform anotherintended to be steam powered and fully
mathematical function to translate binary toautomatic, including the printing of the
decimal to make it readable to the user.Oneresulting tables, and commanded by a fixed
of the first computers was called ENIAC. Itinstruction program.The difference engine,
was a huge, monstrous size nearly that of aalthough having limited adaptability and
standard railroad car. It containedapplicability, was really a great advance.
electronic tubes, heavy gauge wiring,Babbage continued to work on it for the next
angle-iron, and knife switches just to name a10 years, but in 1833 he lost interest
few of the components. It has becomebecause he thought he had a better idea; the
difficult to believe that computers haveconstruction of what would now be called a
evolved into suitcase sized micro-computersgeneral purpose, fully program-controlled,
of the 1990's.Computers eventually evolvedautomatic mechanical digital computer.
into less archaic looking devices near theBabbage called this idea an Analytical
end of the 1960's. Their size had beenEngine. The ideas of this design showed a lot
reduced to that of a small automobile andof foresight, although this couldn't be
they were processing segments of informationappreciated until a full century later.The
at faster rates than older models. Mostplans for this engine required an identical
computers at this time were termeddecimal computer operating on numbers of 50
"mainframes" due to the fact that manydecimal digits (or words) and having a
computers were linked together to perform astorage capacity (memory) of 1,000 such
given function. The primary user of thesedigits. The built-in operations were supposed
types of computers were military agencies andto include everything that a modern general -
large corporations such as Bell, AT&T,purpose computer would need, even the all
General Electric, and Boeing. Organizationsimportant Conditional Control Transfer
such as these had the funds to afford suchCapability that would allow commands to be
technologies. However, operation of theseexecuted in any order, not just the order in
computers required extensive intelligence andwhich they were programmed.As people can see,
manpower resources. The average person couldit took quite a large amount of intelligence
not have fathomed trying to operate and useand fortitude to come to the 1990's style and
these million dollar processors.The Uniteduse of computers. People have assumed that
States was attributed the title of pioneeringcomputers are a natural development in
the computer. It was not until the earlysociety and take them for granted. Just as
1970's that nations such as Japan and thepeople have learned to drive an automobile,
United Kingdom started utilizing technologyit also takes skill and learning to utilize a
of their own for the development of thecomputer.Computers in society have become
computer. This resulted in newer componentsdifficult to understand. Exactly what they
and smaller sized computers. The use andconsisted of and what actions they performed
operation of computers had developed into awere highly dependent upon the type of
form that people of average intelligencecomputer. To say a person had a typical
could handle and manipulate without to muchcomputer doesn't necessarily narrow down just
ado. When the economies of other nationswhat the capabilities of that computer was.
started to compete with the United States,Computer styles and types covered so many
the computer industry expanded at a greatdifferent functions and actions, that it was
rate. Prices dropped dramatically anddifficult to name them all. The original
computers became more affordable to thecomputers of the 1940's were easy to define
average household.Like the invention of thetheir purpose when they were first invented.
wheel, the computer is here to stay.TheThey primarily performed mathematical
operation and use of computers in our presentfunctions many times faster than any person
era of the 1990's has become so easy andcould have calculated. However, the evolution
simple that perhaps we may have taken tooof the computer had created many styles and
much for granted. Almost everything of use intypes that were greatly dependent on a well
society requires some form of training ordefined purpose.The computers of the 1990's
education. Many people say that theroughly fell into three groups consisting of
predecessor to the computer was themainframes, networking units, and personal
typewriter. The typewriter definitelycomputers. Mainframe computers were extremely
required training and experience in order tolarge sized modules and had the capabilities
operate it at a usable and efficient level.of processing and storing massive amounts of
Children are being taught basic computerdata in the form of numbers and words.
skills in the classroom in order to prepareMainframes were the first types of computers
them for the future evolution of the computerdeveloped in the 1940's. Users of these types
age.The history of computers started outof computers ranged from banking firms, large
about 2000 years ago, at the birth of thecorporations and government agencies. They
abacus, a wooden rack holding two horizontalusually were very expensive in cost but
wires with beads strung on them. When thesedesigned to last at least five to ten years.
beads are moved around, according toThey also required well educated and
programming rules memorized by the user, allexperienced manpower to be operated and
regular arithmetic problems can be done.maintained. Larry Wulforst, in his book
Another important invention around the sameBreakthrough to the Computer Age, describes
time was the Astrolabe, used forthe old mainframes of the 1940's compared to
navigation.Blaise Pascal is usually creditedthose of the 1990's by speculating, "...the
for building the first digital computer incontrast to the sound of the sputtering motor
1642. It added numbers entered with dials andpowering the first flights of the Wright
was made to help his father, a tax collector.Brothers at Kitty Hawk and the roar of the
In 1671, Gottfried Wilhelm von Leibnizmighty engines on a Cape Canaveral launching
invented a computer that was built in 1694.pad". End of part one.Works CitedWulforst,
It could add, and, after changing some thingsHarry. Breakthrough to the Computer Age. New
around, multiply. Leibnitz invented aYork: Charles Scribner's Sons,
special stopped gear mechanism for1982.Palferman, Jon and Doron Swade. The
introducing the addend digits, and this isDream Machine. London: BBC Books,
still being used.The prototypes made by1991.Campbell-Kelly, Martin and William
Pascal and Leibnitz were not used in manyAspray. Computer, A History of
places, and considered weird until a littlethe Information Machine. New York:
more than a century later, when Thomas ofBasicBooks, 1996.You may visit and for
Colmar (A.K.A. Charles Xavier Thomas) createdinstant access to over 45,000 plus term
the first successful mechanical calculatorpapers and essays. You may have all of these
that could add, subtract, multiply, andquality papers for only $19.95.
divide. A lot of improved desktop calculators



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