INTERNET II - THE INTERNET BROWSER (JSS3 FIRST TERM)
THE INTERNET BROWSER
A web/internet browser is a software program that allows you to access and view web pages. The web browser software is built on the hyperlinks, which allows users to point and click with a mouse in order to jump from one document to another in whatever order they desire.
In January 1993, the first browser, viola and Midas were released for the X window system (UNIX). At the same time, a Macintosh browser was released called ALPHA version.
In February 1993, the first popular graphical World Wide Web browser was NCSA Mosaic. It was released for all common platforms (UNIX, Windows and Macintosh) in September 1993.
Marc Andersen, the mastermind of mosaic, founded his own company, mosaic communication corp., now known as Netscape and released a browser, the Netscape navigator 1.0. He soon controlled 70 per cent of the browser market.
Microsoft saw this gigantic success and soon released a browser called MS internet explorer, for free, now new versions of both browsers support most HTML.
Types of Browser
1. MICROSOFT INTERNET EXPLORER:
Microsoft internet explorer is one of the most used browsers in the world. It was developed by Microsoft in 1995 as a supportive package to the Microsoft Windows operating system. Since it comes bundled with the Windows operating system, Internet Explorer is the most installed browser in the world.
2. Google Chrome
This web browser is developed by Google and its beta version was first released on September 2, 2008, for Microsoft Windows. Today, chrome is known to be one of the most popular web browsers with its global share of more than 50%.
3. MOZILLA FIREFOX:
Mozilla Firefox is a new browser derived from Mozilla. It was released in 2004 and has grown to be the second most popular browser on the Internet after Chrome. It can be used on many different operating systems including Windows, Macintosh, OS/2 and UNIX. It supports tabbed browsing that allows user to open multiple sites in a single window.
4. OPERA:
Opera is a web browser that was developed by Opera software in 1996. It is a well-known browser that is mainly used in activated mobile phone and smartphones. It is used with many operating systems like Linux, MAC OS and MS window.
5. SAFARI:
Safari web browser is a freeware browser from Apple Inc. Safari is the default web browser in Mac computers and in OS X and iOS Operating Systems. Safari was released in the year 2003. A version of the browser is available for Windows Operating System as well. Today, Safari is popular mainly because of Apple products.
6. MICROSOFT EDGE:
Microsoft Edge is a relatively new browser from Microsoft Inc. it was designed as a successor to the internet explorer. It comes bundled with new versions of the Windows operating system and is fast gaining popularity.
7. NETSCAPE NAVIGATOR:
Netscape Navigator was developed by Netscape Communication Corporation and was very popular in the 1990s. it was compatible with almost every operating system.
Characteristic Features of a Browser
1. Address and Search bar:
The address of the webpage you want to visit is typed here. It also gives you access to search information by using the search option.
2. Scroll arrow:
They are used to navigate up and down the current webpage.
3. Back button:
This takes you to the previous page you were on.
4. Refresh:
It refreshes the current page you are on to show the newest version of the page.
5. Stop:
It stops the loading/downloading of a page from the internet.
6. Forward button:
Clicking on this button displays the previous page you were on before clicking on the back button.
INTERNET BENEFITS AND MISUSE
Benefits of the Internet
The benefits of the internet are as follows:
1. INFORMATION:
The internet gives you access to information on any subject of your interest. This makes the internet a valuable research tool. Most sources such as newspaper and magazines have websites and a number of them only exist online.
2. RESEARCH:
You can make use of the internet search facilities to research just about any topic you can think of. This information can help you with a school project, or a presentation at work. You can search for the data you need or go to specific research sites.
3. E-MAIL (electronic mail):
Electronic mails enable us to exchange message with people around the world, including friends, family members, colleagues, customers and even people you meet on the internet. E-mail is an exciting feature of the internet as we can send and receive message over long distances. It is also fast, easy and inexpensive.
4. ENTERTAINMENT:
The internet offers many different forms of entertainment, such as radio and television broadcast, video and music. You can find a picture of the latest film, watch live interviews of your favourite celebrities and listen to music before it is available in stores.
5. PROGRAM:
You can find thousands of programs that can be used on your computer, such as word processors, drawing programs, games and accounting programs.
6. ONLINE SHOPPING:
You can order products on the internet while sitting at home. You can purchase items such as books, flowers, music, CDs, pizzas, stock and used cars.
7. CHATTING:
Chat features allow you to exchange typed message with another person on the internet. The message you send will instantly appear on the other person’s computer. You can chat with a person or a group at the same time.
8. BANKING:
You can use the internet to find financial sites that enable you to do your banking and investing online. Banking online is much more convenient and much less time consuming than doing it in person. Online banking is extremely secure because all modern browsers support robust security protocol which ensures that your financial data remains safe.
9. E-LEARNING:
E-learning is a training or education program by electronic means. It involves the use of a computer or an electronic device (laptop) to provide training on educational technology as a tool for learning. Distant education can be done by e-learning.
Misuse of the Internet
Internet abuse refers to improper use of the internet and may include:
1. Computer Crime – or cybercrime:
It is any crime that involves a computer and a network. Use of computers for criminal activity.
2. Cyber-bullying:
Use of the internet to bully and intimidate. The use of information technology to repeatedly harm or harass other people in a deliberate manner.
3. Spam (electronic):
Is the use of electronic messaging systems to send unsolicited messages (spam), especially advertising, as well as sending messages repeatedly on the same website. Sending of unwanted advertising messages.
4. Malware:
Software designed to harm a user’s computer, including computer viruses. Malware, short for malicious software, is any software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems. Malware is defined by its malicious intent, acting against the requirements of the computer user, and does not include software that causes unintentional harm due to some deficiency.
Other ways of Abuse include:
1. You can get harassing/threatening messages from people or from stalkers.
2. It is very easy to find sites that promote hatred, violence, drug, sex, and other things not appropriate for children.
3. There is no restriction on marketing products, such as alcohol, tobacco to children on the internet.
4. Pornographic sites are easily found on the internet instead of it being restricted.
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