Thursday, 16 January 2014

Know about Software, and Tips to Make Your Computer Faster and Safer

Software, as we mentioned, is an another name for programs. Programs are the
instructions that tell the computer how to process data into the form you want.
In most cases, the word   software and programs are interchangeable. There are
two major kinds of software: system software and application software. You can
think of application software as the kind you use. Think of software as the
kind the computer uses.

  1. Controlling spam. Do you get a lot of unwanted e-mail advertisements? There are some basic steps that you can take to keep your inbox spam-free.   See page 2.9.
  2. Online shopping. Have you ever bought anything online? If not, it’s likely that in the future you will join the thousands who have. Consider a few guidelines to make your shopping easier and safer. See page 2.19.
  3. Creating and updating Web sites. Are you thinking about creating your own website? Perhaps you already have one and would like to spruce it up a bit. Here are a few suggestions that may help. See page 4.15.
  4. Improving slow computer operations. Does your computer seem to be getting slower or slower? Consider a few suggestions that might add a little zip to your current system. See page. 6.13.
  5. Improving hard disk performance.  Does your internal hard-disk drive run a lot and seem slow? Are you having problems with lost or corrupted files? To clean up the disk and speed up access, consider defragging.

Wednesday, 15 January 2014

What are Internet and the Web?

The Internet  was launched in 1969 when the United States funded a project that developed  a
national computer network called Advanced Research  project Agency Network (ARPANET).

The Internet is a Large network that connects together smaller networks all over the globe. The
Web was introduced in 1991 at the Center for European Nuclear Research (CERN) in Switzerland. Prior to the web, the Internet was all text –no graphics, animations, sound, or
video. The Web made it possible to include these elements. It provided a multimedia interface
to resources available on the Internet. From these early research beginnings, the Internet and
the web have evolved into one of the most powerful tools of the 21st century.

It is easy to get the Internet and the web confused, but they are not the same thing. The
Internet is the actual network. It is made up of wires, cables, satellites, and rules for
exchanging information between computers connected to the network. Being connected
to this network is often described as being online. The Internet connects millions of computers
and resources throughout the world. The Web is a multimedia interface to the resources available
on the Internet. Every day over a billion users from nearly every country in the world use the Internet and the Web. What are they doing? The most common uses are the following:

  • Communicating is by far the most popular Internet activity. You can exchange e-mail with your family and friends almost anywhere in the world. You can join and listen to discussions and debates on a wide variety of special-interest topics.
  • Shopping is one of the fastest-growing Internet applications. You can window shop,
    look for the latest fashions, search for bargains, and make purchases.
  • Searching   of information has never been more convenient. You can access some
    of the world’s largest libraries directly from your home computer. You can find the
    latest local, national, and international news.
  • Entertainment options are nearly endless. You can find music, movies, magazines,
    and computer games. You will find live concerts, movie previews, book clubs, and
    interactive live games.
  • Education or e-learning is another rapidly emerging Web application. You can take classes on almost any subject. There are courses just for fun and there are courses for high school, college, and graduate school credit. Some  cost nothing to take and others cost a lot.

The first step to using the Internet and Web is to get connected, or to gain access to the Internet.

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