Transcript Chapter_01

Teachers Discovering Computers
Integrating Technology and
Digital Media in the Classroom
4th Edition
Chapter 1
Integrating Educational Technology into
the Curriculum
Chapter Objectives
 Explain the difference between computer,
information, and integration literacy
 Explain the necessity of moving instructional
strategies from traditional to new learning
environments
 Describe the evolution of computers and digital
media
 Describe the characteristics of today’s digital
students
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Chapter Objectives
 Explain how speed, reliability, accuracy, storage,
and communications enable computers to be
powerful tools
 Differentiate among the various categories of
software
 Explain the purpose of a network
 Discuss the uses of the Internet and the World
Wide Web
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Chapter Objectives
 Explain why computer technology is important for
education
 Describe the National Educational Technology
Standards for Teachers (NETS-T)
 Provide examples of how computers are
changing the way people teach and learn
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Curriculum-Specific Learning
 Learning how to apply teaching principles,
knowledge, and ideas to authentic and practical
classroom lessons and projects that can benefit
your students
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Computer, Information, and
Integration Literacy
 Computer literacy
 Knowledge and understanding of computers
and their uses
 Information literacy
 Knowing how to find, analyze, and use
information
 Integration literacy
 The ability to use computers and other
technologies combined with a variety of
teaching and learning strategies
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Computer, Information, and
Integration Literacy
Computer technology and digital media are
present in every aspect of daily living — in the
workplace, at home, in the classroom, and for
entertainment
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What Is a Computer
and What Does It Do?
 An electronic device, operating under the control
of instructions stored in its memory, that can
accept data, process the data according to
specified rules, produce results, and store the
results for future use
 A computer is a computational device
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What Is a Computer
and What Does It Do?
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Data - collection of unorganized facts
Information - data that is organized
Input - data entered into a computer
Output - processed results from a computer
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What Is a Computer
and What Does It Do?
 Storage – holding data and information for future
use
 Information processing cycle – the cycle of input,
process, output, and storage
 Hardware – the electronic and mechanical
equipment that makes up the computer
 Software – a series of instructions that tells the
hardware how to perform tasks
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The Evolution of Computers
and Digital Media
 The goal of multimedia computing and
communications is to assist individuals in
organizing and managing vast amounts of
information in various types of media
 Digital media – technologies that allow users to
create new forms of interaction, expression,
communication, and entertainment in a digital
format
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The Evolution of Computers
and Digital Media
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Computing in the Digital Age
 Individuals use digital technology to input, edit,
manage, publish, and share all kinds of
information that was previously either impossible
or too expensive for the average person to create
and share
 Digital generation - Today’s youth are much more
media-centric than previous generations
 Digital students / digital kids
 Digital media allows teachers to use a
combination of technology tools to appeal to an
array of learning styles digitally
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Computing in the Digital Age
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Computing in the Digital Age
The differences between digital native learners and digital immigrant teachers.
Digital Native Learners
Digital Immigrant Teachers
Prefer receiving information quickly from multiple
multimedia sources.
Prefer slow and controlled release of information
from limited sources.
Prefer parallel processing and multitasking.
Prefer singular processing and single or limited
tasking.
Prefer processing pictures, sounds, and video
before text.
Prefer to provide text before pictures, sounds, and
video.
Prefer random access to hyperlinked multimedia
information.
Prefer to provide information linearly, logically, and
sequentially.
Prefer to interact/network simultaneously with
many others.
Prefer students to work independently rather than
network and interact.
Prefer to learn “just-in-time.”
Prefer to teach “just-in-case” (it’s on the exam).
Prefer instant gratification and instant rewards.
Prefer deferred gratification and deferred rewards.
Prefer learning that is relevant, instantly useful,
and fun.
Prefer to teach to the curriculum guide and
standardized tests.
*Ian Jukes and Anita Dosaj, The InfoSavvy Group, February 2003
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Computing in the Digital Age
 The ARCS Motivational Model states that even
the best designed instructional strategy will fail if
students are not motivated to learn
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Categories of Computers
 Personal computers
 Mobile computers and mobile devices
 Servers, supercomputers, and embedded
computers
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Personal Computers
 A computer that performs all of its input,
processing, output, and storage activities by itself
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Mobile Computers and
Mobile Devices
 Mobile Computers
 Notebook computer
 Tablet PC
 Mobile Devices
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Handheld Computer
PDA
Smart Phones
Smart Watch
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Servers, Supercomputers, and
Embedded Computers
 Server
 Manages the resources on a network and provides
a centralized storage area for software programs
and data
 Supercomputer
 Used for tasks such as analyzing weather
patterns, tracking hurricanes, and identifying
safety issues regarding the space shuttle
 Embedded computer
 A special-purpose computer that functions as one
component in a larger product
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Servers, Supercomputers, and
Embedded Computers
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Why Is a Computer So Powerful?
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Speed
Reliability
Accuracy
Storage
Communications
 Network
 Electronic mail
The Internet is a worldwide collection of
networks that links together millions of
businesses, the government,
educational institutions, and individuals
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Computer Software
 Computer programs
 A series of instructions
that tells the hardware of
a computer what to do
and how to do it
 Stored on various
storage media
 Installing programs
 Executing programs
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Computer Software
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Computer Software
 System software consists of programs that
control the operations of a computer and its
devices
 Operating system
 Mac OS
 Microsoft Windows
 User interface
 Graphical User Interface (GUI)
 Utility programs
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Computer Software
 Application software
consists of programs
designed to perform
specific tasks for users
 Software suites
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Word Processing
Spreadsheet
Database
Presentation graphics
Communication
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Computer Software
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Packaged software
Custom software
Open source software
Shareware, freeware, and public domain software
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Computer Software
 Software development
 Computer Programmers are people who write the
instructions necessary to direct the computer to
process data into information
 Systems Analysts manage the development of a
program
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Networks and the Internet
 Network
 A collection of computers and devices connected
together via communications media and devices
 Local area network - LAN
 Wide area network – WAN
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Networks and the Internet
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Networks and the Internet
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Networks and the Internet
 The Internet
 World’s largest network
 E-mail
 Information
 Shopping
 Meeting people
 Entertainment
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Networks and the Internet
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Networks and the Internet
 World Wide Web (WWW)
 Web pages are electronic documents that contain
text, graphics, sound, animation, or video, and
have built-in connections, or links, to other
documents
 Web sites are collections of related Web pages
 Web browser are used to view Web pages
 Microsoft Internet Explorer
 Netscape
 Mozilla Firefox
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Why Use Computer
Technology in Education?
 Technology and digital media are everywhere
 Technology can support learning
 Computers support communications beyond
classroom walls
 Support of national and international
organizations
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Why Use Computer
Technology in Education?
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An Example of How One School Uses
Computers
 Ridgedale High School
 All computers on a local area network
 Three labs of 30 computers each
 PC and Macintosh
 Internet connection in each classroom
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An Example of How One School Uses
Computers
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An Example of How One School Uses
Computers
 Superintendent
 Technology plan
 Committee members can access the plan remotely
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An Example of How One School Uses
Computers
 Principal
 Sending several e-mail messages to teachers and
staff
 Research on digital storytelling
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An Example of How One School Uses
Computers
 School secretary
 Automated phone
system
 Database software
 School inventory
database
 Desktop publishing
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An Example of How One School Uses
Computers
 Technology coordinator
 Installing and testing new
software
 Supporting systems
 Problem solving
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An Example of How One School Uses
Computers
 Teachers
 Community digital
storytelling
 Transmedia story
 Research assignments
 Wireless lab
 Network stores student
data
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An Example of How One School Uses
Computers
 Media specialist
 Maintains online catalog
 Creates classroom
activities
 Runs media center
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An Example of How One School Uses
Computers
 Students
 Live broadcast of
Ridgedale News Show
 Talking and instant
messaging about digital
storytelling projects
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An Example of How One School Uses
Computers
 Parent
 Web site links parents
and school
 Keep track of events
 School information
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An Example of How One School Uses
Computers
 Community
 Links school and
community
 Students teach senior
citizens how to use a
computer
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Chapter Summary
 Explain the difference between computer,
information, and integration literacy
 Explain the necessity of moving instructional
strategies from traditional to new learning
environments
 Describe the evolution of computers and digital
media
 Describe the characteristics of today’s digital
students
Chapter 1: Integrating Educational Technology into the Curriculum
48
Chapter Summary
 Explain how speed, reliability, accuracy, storage,
and communications enable computers to be
powerful tools
 Differentiate among the various categories of
software
 Explain the purpose of a network
 Discuss the uses of the Internet and the World
Wide Web
Chapter 1: Integrating Educational Technology into the Curriculum
49
Chapter Summary
 Explain why computer technology is important for
education
 Describe the National Educational Technology
Standards for Teachers (NETS-T)
 Provide examples of how computers are
changing the way people teach and learn
Chapter 1: Integrating Educational Technology into the Curriculum
50
Teachers Discovering Computers
Integrating Technology and
Digital Media in the Classroom
4th Edition
Chapter 1 Complete
Integrating Educational Technology into
the Curriculum
Milestones in
Computer
History
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Dr. John V. Atanasoff and Clifford Berry
design and build the first electronic digital
computer. Their machine, the
Atanasoff-Berry-Computer, or ABC,
provides the foundation for advances in
electronic digital computers.
During World War II, British scientist Alan
Turing designs the Colossus, an electronic
computer created for the military to break
German codes. The computer’s existence
is kept secret until the 1970s.
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Dr. John von Neumann writes a brilliant paper
describing the stored program concept. His
breakthrough idea, where memory holds both
data and stored programs, lays the foundation
for all digital computers that have since been
built.
Dr. John W. Mauchly and J. Presper Exkert, Jr.
complete work on the first large-scale electronic,
general-purpose digital computer. The ENIAC
(Electronic Numerical Integrator and Computer)
weighs 30 tons, contains 18,000 vacuum tubes,
occupies a 30-by-50-foot space, and consumes 160
kilowatts of power. The first time it is turned on,
lights dim in an entire section of Philadelphia.
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William Shockley, John Bardeen, and Walter
Brattaim invent the transfer resistance device,
eventually called the transistor. The transistor
would revolutionize computers, proving much
more reliable than vacuum tubes.
The first commercially available electronic digital
computer, the UNIVAC I (UNIVersal Automatic
Computer), is introduced by Remington Rand.
Public awareness of computers increases when
the UNIVAC I, after analyzing only 5 percent of
the popular vote, correctly predicts that Dwight
D. Eisenhower will win the presidential election.
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Dr. Grace Hopper considers the concept of reusable
software in her paper, “The Education of a Computer.”
The paper describes how to program a computer with
symbolic notation instead of the detailed machine
language that had been used.
The IBM model 650 is one of the first widely used
computer systems. Originally planning to produce
only 50 machines, the system is so successful that
eventually IBM manufactures more than 1,000.
With the IBM 700 series of machines, the company
will dominate the mainframe market for the next
decade.
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The IBM 305 RAMAC system is the first to use
magnetic disk for external storage, This system
provides storage capacity similar to magnetic
tape that previously was used, but offers the
advantage of semi-random access capability.
FORTRAN (FORmula TRANslation), an efficient,
easy-to-use programming language, is introduced
by John Backus.
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Computers built with transistors mark the beginning
of the second generation of computer hardware.
More than 200 programming languages have been
created.
IBM introduces two smaller, desk-sized computers:
the IBM 1401 for business and the IBM 1602 for
scientists. The IBM 1602 initially is called the
CADET, but IBM drops the name when campus wags
claim it is an acronym for, Can’t Add, Doesn’t Even
Try.
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COBOL, a high-level business application language,
is developed by a committee headed by Dr. Grace
Hopper. COBOL uses English-like phrases and runs
on most business computers, making it one of the
more widely used programming languages.
The number of computers has grown to 18,000.
Third-generation computers, with their controlling
circuitry stored on chips, are introduced. The
IBM System/360 computer is the first family of
compatible machines, merging science and business
lines.
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Digital Equipment Corporation (DEC) introduces
the first mini-computer, the PDP-8. The machine
is used extensively as an interface for time-sharing
systems.
Dr. John Kemeny of Dartmouth leads the development
of the BASIC programming language.
Alan Shugart at IBM demonstrates the first regular use
of an 8-inch floppy (magnetic storage disk).
In a letter to the editor entitled “GO TO Statements
Considered Harmful,” Dr. Edsger Dijsktra introduces
the concept of structured programming, developing
standards for constructing computer programs.
Computer Science Corporation becomes the first
software company listed on the NYSE.
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Under pressure from the industry, IBM announces that
some of its software will be priced separately from the
computer hardware. This unbundling allows the
software firms to emerge in the industry.
The ARPANET network, a predecessor of the Internet,
is established.
Fourth-generation computers, built with chips that use
LSI (large-scale integration) arrive. While the chips
used in 1965 contained as many as 1,000 circuits, the
LSI chip contains as many as 15,000.
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Dr. Ted Hoff of Intel Corporation develops a
microprocessor, or microprogrammable computer
chip, the Intel 4004.
MITS, Inc. advertises the first microcomputer, the
Altair. Named for the destination in an episode of
Star Trek, the Altair is sold in kits for less than $400.
Although initially it has no keyboard, no monitor,
no permanent memory, and no software, 4,000 orders
are taken within the first three months.
Ethernet, the first local area network (LAN), is
developed at Xerox PARC (Polo Alto Research Center)
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Steve Wozniak and Steve Jobs build the first Apple
computer. A subsequent version, the Apple II, is an
immediate success. Adopted by elementary schools,
high schools, and colleges, for many students the
Apple II is their first contact with the world of
computers.
VisiCalc, a spreadsheet program written by Bob
Frankston and Dan Bricklin, is introduced. Originally
written to run on Apple II computers, VisiCalc will be
seen as the most important reason for the acceptance
of personal computers in the business world.
The first public online information services,
CompuServe and the Source, are founded.
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Alan Shugart presents the Winchester hard drive,
revolutionizing storage for personal computers.
IBM offers Microsoft Corporation co-founder, Bill
Gates, the opportunity to develop the operating system
for soon-to-be announced IBM personal computer.
With the development of MS-DOS, Microsoft achieves
tremendous growth and success.
The IBM PC is introduced, signaling IBM’s entrance
into the personal computer marketplace. The IBM PC
quickly garners the largest share of the personal
computer market and becomes the personal computer
choice in business.
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3,275,000 personal computers are sold, almost
3,000,000 more than in 1981.
Hayes introduces the 300 bps smart modem. The
modem is an immediate success.
Compaq, Inc. is founded to develop and market IBMcompatible PCs.
Lotus Development Corporation is founded. Its
spreadsheet software, Lotus 1-2-3, which combines
spreadsheet, graphics, and database programs in one
package, becomes the best-selling program for IBM
personal computers.
Instead of choosing a person for its annual award,
TIME magazine names the computer Machine of the
Year for 1982, acknowledging the impact of computers
on society.
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IBM introduces a personal computer, called the
PC AT, that uses the Intel 80286 microprocessor.
Hewlett-Packard announces the first LaserJet printer
for personal computers.
Apple introduces the Macintosh computer, which
incorporates a unique, easy-to-learn, graphical user
interface.
Several personal computers utilizing the powerful
Intel 80386 microprocessor are introduced. These
machines per-form processing that once only large
systems could handle.
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Microsoft surpasses Lotus Development Corporation
to become the world’s top software vendor
While working at CERN Switzerland, Tim Berners-Lee
invents an Internet-based hypermedia enterprise for
information sharing. Berners-Lee will call this
innovation the World Wide Web.
The International Society for Technology in Education
(ISTE) is formed. The mission of ISTE is to help K-12
classroom teachers and administrators share effective
methods for enhancing student learning with new
classroom technologies. Today, ISTE has more than
6,000 members and a network of regional affiliates
with a membership that exceeds 40,000.
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AskERIC (Educational-Resources Information Center)
starts up as a project of the ERIC Clearinghouse on
Information and Technology at Syracuse University.
Today, the federally funded AskERIC provides an
Extensive and searchable database of documents
and resources; educators can send questions on any
educational topic to AskERIC and receive a response
within 48 hours.
Microsoft releases Windows 3.1, the latest version of
its Windows operating system. Windows 3.1 offers
improvements such as TrueType fonts, multimedia
capability, and object linking and embedding (OLE).
In two months, 3,000,000 copies of Windows 3.1 are
sold.
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Several companies introduce computer systems using
the Pentium® microprocessor from Intel. The Pentium®
chip is the successor to the Intel 486 processor. It
contains 3.1 million transistors and is capable of
performing 112,000,000 instructions per second.
The International Society for Technology in Education
(ISTE) introduces the first edition of “Technology
Standards for Teachers,” containing 13 indicators.
Marc Andreessen creates a graphical Web browser
called Mosaic. This success leads to the organization
of Netscape Communications Corporation.
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Jim Clark and Marc Andreessen found Netscape and
launch Netscape Navigator 1.0, a browser for the
World Wide Web.
The Clinton Administration creates the
Telecommunications and Information Infrastructure
Assistance Program (TIIAP), which supplies grants
to public institutions to fund the installation of
advanced communications technologies. Over the
next four years, TIIAP awards 378 grants of
approximately $118 million in federal grant funds,
which are matched by more than $180 million in
non-federal funds.
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Microsoft releases Windows 95, a major upgrade to
its Windows operating system. Windows 95 consists
of more than 10,000,000 lines of computer instructions
developed by 300 person years of effort. More than
50,000 individuals and companies test the software
before it is released.
Sun Microsystems launches Java, an object-oriented
programming language that allows users to write one
application for a variety of computer platforms. Java
becomes one of the hottest Internet technologies.
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President Clinton launches a two-billion dollar, fiveyear Technology Literacy Challenge – a program
designed to catalyze and leverage state, local, and
private sector efforts so American schools can provide
students with the skills they need to succeed in the
next century.
U.S. Robotics introduces PalmPilot, a handheld
personal organizer. The PalmPilot’s user friendliness
and low price make it a standout next to more
expensive personal digital assistants (PDAs).
An innovative technology called webtv combines
television and the Internet by providing viewers with
tools to navigate the Web.
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The Summer Olympics in Atlanta makes extensive use
of computer technology, using an IBM network of
7,000 personal computers, 2,000 pagers and wireless
devices, and 90 industrial-strength computers to share
information with more than 150,000 athletes, coaches,
journalists, and Olympics staff members, and millions
of Web Users.
President Clinton signs the Telecommunications Act of
1996 into law. The Act’s Universal Service clause
requires that schools and libraries are provided
affordable telecommunication services.
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Intel introduces the Pentium® II processor with 7.5
million transistors. The new processor, which
incorporates MMX™ technology, processes video,
audio, and graphics data more efficiently and supports
applications such as movie-editing, gaming, and more.
The Federal Communications Commission approves
the Education Rate (E-Rate) discount program to
provide K-12 schools and all public libraries with
discounted telecommunications services. FCC
Chairman Hundt describes the E-Rate program as, “the
biggest single national effort to change education in K12 classrooms in the history of the country.”
Deep Blue, an IBM supercomputer, defeats world
chess champion Gary Kasparov in a six-game chess
competition. Millions of people follow the 9-day-long
rematch on IBM’s Web site
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DVD (Digital Video Disc), the next generation of
optical disc storage technology, is introduced. DVD
can store computer, audio, and video data in a single
format, with the capability of producing a near-studio
quality. By year’s end, 500,000 DVD players are
shipped worldwide.
The International Society for Technology in Education
(ISTE) releases the second edition of “Technology
Standards for Teachers,” containing 18 indicators
organized into three major categories.
Fifty million users are connected to the Internet and
World Wide Web.
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Microsoft ships Windows 98, an upgrade to Windows
95. Windows 98 offers improved Internet access,
better system performance, and support for a new
generation of hardware and software. In six months,
more than 10,000,000 copies of Windows 98 are sold
worldwide.
E-commerce, or electronic commerce – the marketing
of goods and services over the Internet – booms.
Companies such as Dell, E*TRADE, and
Amazon.com spur online shopping, allowing buyers to
obtain everything from hardware and software to
financial and travel services, insurance, automobiles,
books, and more.
High school students began taking online courses at
Florida High School Online.
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More than 10,000,000 people take up telecommuting,
the capability of working at home and communicating
with an office via computer. More and more firms
embrace telecommuting to help increase productivity,
reduce absenteeism, and provide greater job
satisfaction.
Apple Computer introduces the iMac, the latest
version of its popular Macintosh computer. The iMac
abandons such conventional features as a floppy disk
drive but wins customers with its futuristic design, seethrough case, and easy setup. Consumer demand
outstrips Apple’s production capabilities, and some
vendors are forced to begin waiting lists.
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Preparing Tomorrow’s Teachers to Use Technology
(PT3) – The U.S. Department of Education initiates a
multi-year, innovative, $125 million grant program to
create technology proficient educators at all levels:
pre-service teachers, in-service teachers, and faculty in
higher education.
Intel, with support from Microsoft, launches the Intel
Teach to the Future program – a worldwide initiative
to help teachers effectively integrate the use of
computer technology into classroom curriculum.
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Intel releases its Pentium III processor, which provides
enhanced multimedia capabilities.
Microsoft introduces Office 2000, its premier
productivity suite, offering new tools for users to
create content and save it directly to a Web site without
any file conversion or special steps.
Governments and businesses frantically work to make
their computer systems Y2K (Year 2000) compliant,
spending more than $500 billion worldwide. Y2K
non-compliant computers cannot distinguish if
01/01/00 refers to 1900 or 2000, and thus may operate
using a wrong date. This Y2K bug can affect any
application that relies on computer chips, such as
ATMs, airplanes, energy companies, and the telephone
system.
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Shawn Fanning, 19, and his company, Napster, turn
the music industry upside down by developing
software that allows computer users to swap music
files with one another without going through a
centralized file server. The Recording Industry of
America, on behalf of five media companies, sues
Napster for copyright infringement.
Intel unveils its Pentium 4 chip with clock speeds
starting at 1.4 GHz. The Pentium 4 includes 42
million transistors, nearly twice as many contained on
its predecessor, the Pentium III.
E-commerce achieves mainstream acceptance. Annual
e-commerce sales exceed $100 billion, and Internet
advertising expenditures reach more than $5 billion.
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The International Society for Technology in Education
(ISTE) releases the National Educational Technology
Standards (NETS) for teachers and K-12 students.
The National Council for Accreditation of Teacher
Education adopts the NETS for teachers (NETS-T) for
accrediting teacher education programs.
According to the U.S. Commerce Department, Internet
traffic is doubling every 100 days, resulting in an
annual growth rate of more than 700 percent. It has
taken radio and television 30 years and 15 years to
reach 60 million people, respectively. The Internet has
achieved the same audience base in 3 years.
Dot.com companies (Internet based) go out of business
at a record pace – nearly one per day – as financial
investors withhold funding due to the companies’
unprofitability.
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Telemedicine uses satellite technology and
videoconferencing to broadcast consultations and to
perform distant surgeries. Robots are used for
complex and precise tasks. Computer-aided surgery
uses virtual reality to assist with training and planning
procedures.
Microsoft releases Microsoft Office 2001 suite for the
Macintosh, which includes Word, Excel, Entourage,
and PowerPoint.
Microsoft introduces Office XP Professional, which
includes voice recognition and speech capabilities.
Microsoft claims that Office XP is the ultimate set of
business tools and that is a complete suite of software
that is powerful enough to meet all personal and
professional computing needs.
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Wireless technology, especially handheld computers,
achieves significant market penetration. Prices drop,
usage increases, and wireless carries scramble for new
services, particularly for a mobile workforce that can
access the Internet anywhere at any time.
More than 2.5 million computer users subscribe to
America Online and take advantage of AOL Anywhere
features, including Instant Messenger, e-mail, and
customized news and information pages. AOL’s
merger with Time Warner combines the strengths of
the Internet, entertainment, and communications
industries.
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Apple computers releases MacOS X, the latest version
of its popular operating system. Apple claims that
Mac OS X is the most advanced and easiest-to-use
operating system in history.
Microsoft releases Windows XP Professional for
business and advanced home computing and Windows
XP Home edition for home use.
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The world of wireless communications, wireless
notebook computers, and other wireless devices are
breaking down traditional K-12 communication
barriers worldwide and are opening new and exciting
doors to a wireless world of learning.
Microsoft releases Pocket PC 2002 software that
allows PDAs to interface with PCs and Microsoft
software.
Handspring revolutionizes handheld devices by
offering the first all-in-one device that has a built-in
cell phone, Web-browsing, and e-mail features.
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The International Society for Technology in Education
(ISTE) announces that by summer of 2003, 48 states
will adopt, adapt, and align with, or reference one set
of its National Educational Technology Standards
(NETS).
The Tablet PC is introduced as the next-generation
mobile PC. It runs Windows XP Tablet PC software
and is designed like a notebook, is fully wireless, and
includes note-taking and other new features.
Microsoft releases the latest version of its flagship
Office suite in numerous versions, including a
Microsoft Office Student and Teacher Edition that
includes Word 2003, Excel 2003, and PowerPoint
2003.
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Flat-panel LCD monitors overtake bulky CRT
monitors as the popular choice of computer users.
Although flat-panel LCD monitors cost more, they
offer several advantages including physical size,
weight, true display size, better power consumption,
and no radiation emission.
USB Flash Drives, which are small enough to fit on a
key chain but can store up to 4 billion characters,
become a cost-effective way to transport data and
information from one computer to another.
Apple Computer introduces the sleek iMac G5. The
new computer’s display device contains the system
unit.
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Microsoft unveils Windows XP Media Center Edition
2005. This operating system allows users to access the
routine capabilities of a Windows XP-based PC while
focusing on delivering media content such as music,
digital photography, movies, and television.
The Mozilla Foundation, the creators of the free open
source Firefox browser, predicts that by the end of
2005, it will have 10 percent of the browser market,
primarily at the expense of the Microsoft Internet
Explorer (IE) security-plagued browser.
The smart phone overtakes the PDA as the personal
mobile device of choice. A smart phone offers a
cellular phone, full personal information management
and e-mail functionality, a Web browser, instant
message capabilities, and even the ability to listen to
music, play video and games, and take pictures with its
built-in camera.
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Spam, spyware, phishing, spim, and spit take center
stage, along with viruses, as major nuisances to the
801 million computer users worldwide. Spam, which
accounts for 45 percent of all e-mail, involves the
sending of bulk e-mail that is unsolicited and masks its
origin. Spyware is a program placed on the computer
without the user’s knowledge that secretly collects
information about the user, often related to Web
browsing habits. Phishing is the act of sending an email to a user falsely claiming to be a legitimate
enterprise in an attempt to trick the user into
surrendering private information that will be used for
identity theft. Spim is spam via instant messaging. Spit
is spam via Internet telephony.
Touted as a "supercomputer on a chip," IBM
introduces the Cell chip, which is about the size of a
pushpin. Experts are predicting that this new chip will
revolutionize computing from smart phones to
supercomputers
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To date, Microsoft has sold over 300 million copies of
its Windows XP operating system. By early January,
Microsoft automatically downloaded to its users’
computers over 100 million copies of Service Pack 2
(SP2), its latest update to Windows XP. In addition to a
new security center and firewall, SP2 adds a pop-up
blocker in Internet Explorer and updated support for
Wi-Fi and Bluetooth wireless technologies
Apple introduces the Mac mini, which is basically a
desktop computer in a 6.5-inch by 2-inch box. The
Mac mini uses OS X and houses a G4 processor, a
high-capacity hard drive, a slot-loading CD-R/DVDROM, 10/100 BASE-T Ethernet card, and more. Users
can connect many of their existing monitors,
keyboards, printers, scanners, cameras, as well as their
iPods and other digital media components using the
FireWire or two USB 2.0 slots.
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The federal Education Rate, or E-Rate program,
invests more than $18 billion, since 1998, to connect
libraries and K-12 classrooms to the Internet. As a
result, virtually all U.S. students now have access to
the Internet from school — many have high-speed or
broadband access.
By the end of 2006, experts predict that the number of
e-mail messages sent daily will exceed 60 billion
worldwide and slightly more than half of these
messages will be person-to-person e-mails.
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