TECHNOLOGY TOOLS

1
TECHNOLOGY TOOLS

• Productivity Impact on Homes, Schools, and Jobs
• PL-HS-4.3.2

2
SATELLITES

• Most of the new technologies are workable due to
  satellites
  
• Microwaves are high frequency, high speed, radio
  signals
  
• Satellites transmit data in large quantities at
  high speeds
  
• Used for television, radio broadcasting, Internet
  transmissions, telephones, paging, and messaging
  systems

3
COMMUNICATION SATELLITES

• These are space-based devices placed into orbit
  around the earth to receive and transmit
  microwave signals
  
• Satellites can now send and receive transmissions
  to and from personal dishes for television,
  Internet, and GPS receivers

4
INTERNET

• The Internet is a world wide collection of
  interconnected networks that support personal and
  commercial communications, and information
  exchange.
• The Internet has been around for decades, but
  only in the past few years, the Internet has
  become a household and business necessity.

5
ARPANET Department of DefenseAdvanced Research
Projects Agency

• A computer network that
• Created in 1969
• Used four supercomputers
• Created by the U. S. Department of Defense
• The objective was to have a computer network that
  would allow researchers in different places to
  communicate
  
• During the next 10 years colleges and
  universities joined this network

6
INTERNET AND WWW

• One remarkable characteristic of both the
  Internet and the WWW is that they are not owned
  by any person or business and no single person or
  organization is in charge

7
WORLD WIDE WEB

• In 1989, a researcher named Tim Berners-Lee
  envisioned the World Wide Web as a way to
  organize information in the form of pages linked
  together.
• In 1993, a graphical user interface was used to
  make the first Web browser.

8
INTERNET2

• Internet2 is a consortium of over 200
  universities working together with industry and
  the government
  
• Internet2 was created to develop and implement
  advanced Internet applications and technology

9
INTERNET ACCESS

• There are four ways to connect to the Internet
• T-1 Lines- A high speed dedicated line
• DSL- Digital Subscriber Line
• Cable widely used home broadband connection
• Satellite requires a modem and a transceiver

10
WIRELESS APPLICATION PROTOCOL (WAP)

• WAP is the standard for delivering content to
  mobile devices like phones, pagers, and other
  wireless communications devices

11
ON LINE EDUCATION

• A rapidly growing Internet application is on line
  education, which is using the Internet to
  facilitate learning.
  
• The Internet can be used to deliver part or all
  of any educational class or program such as
  Web-based Training (WBT) and distance learning.

12
ON LINE EDUCATION ACTIVITIES

• On line testing- students take tests or quizzes
  via the Internet
  
• On line writing A blog (web log) is a web page
  that contains short, frequently updated entries
  in a chronological order. There can be multiple
  authors
• E-portfolios is a collection of an individuals
  work accessible through a web site

13
ON LINE FINANCES

• On line Banking is a financial application that
  is becoming more popular.
  
• The services include reviewing account activity,
  sending electronic payments, transferring funds,
  and checking your credit card balances.
  
• Be aware of identity theft and check your account
  for transactions.

14
Computer aided design software CAD

• This software is used in areas such as
  manufacturing and architecture
  
• Using electronic pens and powerful PC, ideas can
  be put directly into the computer and analyze the
  design
  
• In CAD, drawings are displayed in 3D
• Used in designs of cars, aircrafts, ships and
  electrical circuits

15
SPREADSHEET SOFTWARE

• A spreadsheet is a group of values organized into
  rows and columns
  
• It is usually called a worksheet
• Formulas are used to perform mathematical
  operations
  
• Spreadsheets are great to use for what-if
  situations - when forecasting is needed
  
• Spreadsheets are also used to make charts and
  graphs

16
DATABASES

• A database is a collection of related data that
  is stored on a computer and organized enabling
  information to be retrieved as needed.
  
• A database allows for querys that will retrieve
  certain search criteria.

17
PRESENTATION SOFTWARE

• This uses electronic slides displayed one after
  the other to make a presentation
  
• A few programs are Microsoft PowerPoint, Corel
  Presentations and Lotus Freelance Graphics
  
• These programs also can be printed

18
GRAPHICS AND ANIMATION

• Developers usually turn to such programs and
  Macromedia Fireworks, Flash, or Adobe Live
  Motion or After Effects.
  
• These programs enable developers to complete Web
  animations complete with interactivity.