Internet access requires the installation of "browser" software on your computer. A browser refers to an application in a computer system that is used to retrieve, display, and deliver Web information resources. It is an essential tool for users to access the Internet.
The operating environment of this tutorial: Windows 7 system, 360 Secure Browser 12.2, Dell G3 computer
Internet access requires installation on the computer "Browser" software.
A browser is an application used to retrieve, display, and deliver Web information resources. Web information resources are marked by a Uniform Resource Identifier (URI), which is a web page, a picture, a video, or any content presented on the Web. Users can use hyperlinks to browse related information through the browser.
Composition of the browser
The functions of each part of the browser window are as follows.
1. Address bar: used to enter the address of the website. IE browser identifies the information in the address bar and correctly connects to the content the user wants to access. To log in to the "Website Home" website, just enter the URL of Website Home in the address bar: http://www.hao123.com, and then press the [Enter] key or click the button on the right side of the address bar. . The address bar also comes with shortcut buttons for commonly used commands in IE, such as refresh (C), stop (x), etc. The forward and back buttons are set in front of the address bar.
2. Menu bar: It consists of "File", "Edit", "View", "Favorites", "Tools" and "Help" menus. Each menu contains related command options to control the work of IE. These options include all operations and setting functions of the browser.
3. Tabs: Starting from Internet Explorer 8, IE browser can use multi-tab browsing to open website pages in tabs.
4. Page window: It is the main window of IE browser, where the content of the visited web page is displayed. Some text or objects on the page have hyperlink attributes. When the mouse pointer is placed on it, it will turn into a hand shape. Click the left mouse button, and the browser will automatically jump to the URL pointed to by the link; click the right mouse button, and it will A shortcut menu pops up, from which you can select the operation command to be executed.
5. Status bar: Displays the current operation and the progress of downloading the Web page in real time. When a web page is opening, the progress of opening the website will also be displayed. In addition, the web page can be zoomed in and out through the status bar.
Browser security
The browser is an essential tool for us to surf the Internet, and when we use the browser, there may be Operation errors cause some security risks, so how to ensure the security of the browser is very important. The following uses the IE8 browser as an example to manage browser security.
1. Clean up traces of surfing the Internet.
During the process of surfing the Internet, the browser will automatically save the browsed pictures, animations, texts and other temporary files as well as web page files and cookies in the system disk. The default saving path is C: Documents and SettingsAdministratorLocal Settings \Temporary Internet Files. For security reasons and to prevent leakage of some of your information, you should regularly clean up traces of your surfing the Internet: Open the Internet Properties dialog box, click the [Delete] button in [Browsing History] on the [General] tab, and select the temporary files you want to clear. History, cookies, form data, passwords, etc. Click the [Settings] button in [Browsing History], and you can enter a number according to your personal preferences to set the [Number of Days to Save Web Pages in History]. You can also modify the default saving path of temporary files and select [Move Folder]. Command button and set a path other than C drive, and then set the capacity of the temporary folder according to the size of your hard disk space.
2. Security level setting.
In the [Security] tab of the Internet Properties dialog box, you can set trusted sites and restricted sites. Click [Custom Level] to make relevant security level settings, such as [ActiveX controls and plug-ins] ], [Java], [Script], [Download], [User Verification] and other security options to make selective settings such as [Enable], [Disable] or [Prompt].
3. Privacy settings.
In the [Privacy] tab of the Internet Properties dialog box, you can use the slider to set the cookie privacy settings. From high to low, it is divided into [Block all Cookies, [High], [Mid-upper], [ There are 6 levels: Medium], [Low], and [Accept all Cookies (the default level is [Medium]). Some pop-up windows will occupy network bandwidth and slow down browsing speed. In the [Privacy] tab, you can set up the pop-up blocker, set the sites that are allowed to be accessed, and the blocking level of pop-up windows.
4. Content review and automatic completion.
In the [Content] tab of the Internet Properties dialog box, you can enable the content review program to grade commonly used sites. You can also set the [Autocomplete] function, where you can set the autocomplete function range: [Address bar], [Form], [Username and password on the form], and you can also delete the passwords and related permissions retained by Autocomplete.
5. Disable redundant plug-ins.
Select [Manage Add-ons] on the toolbar to view installed plug-ins. If you confirm that a plug-in is no longer needed, you can click on it and select the [Disable] option. If you don't need some of these tools, you can select [Disable] or [Delete]. Select the search provider on the left side of the [Manage Add-ons] window to remove the search engine you do not want to use.
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