Past, Present, And Future Of Computers
... when a man named Charles Babbage wanted to make a calculating machine.
He created a machine that would calculate logarithms on a system of constant
difference and record the results on a metal plate. The machine was aptly named
the Difference Engine. Within ten years, the Analytical Engine was produced.
This machine could perform several tasks. These tasks would be givin to the
machine and could figure out values of almost any algebraic equation. Soon, a
silk weaver wanted to make very intricate designs. The designs were stored on
punch-cards which could be fed into the loom in order to produce the designs
requested. This is an odd beginning for the most p ...
Coputers In Modern Society
... One such microprocessor is
the Intel Pentium chip that is the fastest commercial microprocessor on the
market. In addition to internal speed and to allow faster hook- up to the
Internet, faster telephone lines, most notably the fiber optic lines, have been
added, for an extra charge, to transfer data about 4 times faster than
conventional phone lines (about 28,000 bits per second has been quadrupled to
about 128,000 bits per second. As speed enhances, memory and storage space is
needed to hold excess information. EDO RAM is a new, faster memory module that
helps transfer RAM data twice as fast as normal RAM. For long term storage of
large amounts of data, ...
... Gopher sites, World-Wide Web
sites, and electronic mailing lists. This article explains how businesses and
entrepreneurs are setting up information services on the Internet that allows
users to browse through picture catalogues, specification lists, and up to the
Ever since Sears Roebuck created the first pictorial catalogue, the
idea has fascinated US that merchandises could be selected and ordered in our
leisure time. Like any cataloging system, references make it easy to find what
user seeks. Since its inception, The Internet has been refining its search
tools. Being able to find products through many catalogues is what make the
The Evolution Of Apple - January 1976 To May 1995
... intact, and
they spoke it at every turn. They only hired people into the company that
had the same visions as they did.
In early 1976 Wozniak and Jobs finish work on a preassembled computer
circuit board. It has no Product keyboard, case, sound or graphics. They
call it the Apple I. They form the Apple Computer Company on April Fool’s
Day and sold the Apple I board for $666.66 at the Home brew Computer Club
in Palo Alto, California.
In 1977 the Apple II is available to the general public. Fully assembled
and pretested, it includes 4K of standard memory, and comes equipped with
two game paddles and a demo cassette. The price is $1,298. Customers use
their ow ...
... living through an age of computers for a short while now and there are already many people world wide that are computer literate.
According to Using Computers: A Gateway to Information World Wide Web Edition, over 250 million Personal Computers (PC's) were in use by 1995, and one out of every three homes had a PC (Shelly, Cashman,& Waggoner, 138).
Computers are easy to use when you know how they work and what the parts are. All computers perform the four basic operations of the information processing cycle: input, process, output, and storage. Data, any kind of raw facts, is required for the processing cycle to occur.
Data is processed into useful information ...
Contrasting The Two Forms Of Mail
... message will be received in a period of five to thirty seconds. Whether one is sending e-mail to a person across the street or in Afghanistan, the transfer rate is virtually the same. Furthermore, data files and computer applications can be sent via e-mail. Unfortunately, physical packages such as gifts or magazines cannot be attached to e-mail. On the other hand, the postal service can send any kind of physical package, from a magazine to a pool table, for a price proportional to its size. In addition, the postal service can also transfer data if it is placed on a disk or a CD-ROM. However, speed is a problem, thus origin of the term snail-mail. For example, The ...
Importance Of Electronics
... faster and to store and quickly
organize vast amounts of essential data.
Electronics are improving at a blindingly fast rate. The newest
technology from five years ago is literally obsolete today. Electronics are
also being used for new purposes continuously. The Internet, or World Wide Web,
is a relatively new concept of being “on-line”. This new project has opened a
limitless number of doors for our society. Now anyone can use the Internet to
communicate with anybody else in the world a lot faster and cheaper. Cellular
phones have also appeared recently in the electronic world. These devices allow
a person to be reached from practically anywhere. Wit ...
... some advance warning of these
issues. Though what is done about these issues varies by organization, I
believe the best advice to data warehouse implementers is to do your best
to spot these issues early and then pick your battles wisely.
I recommend that you read Marc Demarest's The Politics of Data
Warehousing in conjunction with this paper. In his June 1997 paper, Marc
comments on how little extended discussion of politics there is in the data
warehousing literature. As of the writing of this paper, to the best of my
knowledge, that situation still has not changed. This in unfortunate
because ambitious data warehousing projects are rife with political issues. ...
... a parity check system was developed.
Each character is represented by a byte consisting of a combination of
intelligence bits (seven bits in ASCII and eight bits in EBCDIC) and an
additional bit called a check or parity bit.
Even parity codes place a check bit with each byte that contains an
uneven number of 1 bits. (Remember that a bit is either 1 or o). Because
the check bit is transmitted only with characters composed of an uneven
number of 1 bits,all characters transmitted will have n even number of 1
bits. The check bit is transmitted to and from the computer along with
character code. If a bit is lost (or added) in transmission, the system
will de ...
Government Intervention Of The Internet
... is a place where people can speak their mind without being reprimanded for what they say, or how they choose to say it. The key to the world-wide success of the Internet is its protection of free speech, not only in America, but in other countries where free speech is not protected by a constitution. To be found on the Internet is a huge collection of obscene graphics, Anarchists' cookbooks and countless other things that offend some people. With over 30 million Internet users in the U.S. alone (only 3 million of which surf the net from home), everything is bound to offend someone. The newest wave of laws floating through law making bodies around the world ...