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System Software | Device Drivers | Part - 2

Device Driver is a software & this is a type of system software. Driver are need for all the hardware installed in the computer because these drivers help to connect the hardware to the operating system, Without drivers the operating system will not give any commands. "The Driver acts like a bridge between the O/S & Hardware" Which Devices need Drivers : All hardware devices that are unknown to the operating system or Components that the operating system does not understand, drivers are need for them. Some device drivers come with hardware which is available in the CD & Some hardware requires drivers to be downloaded from the internet.  List of hardware device that require drivers : Card Reader Modem Motherboard Chipset Printer Web Cam Wi-fi Adapter Scanner Controller USB Devices Video Card Sound Card Which Devices not need Drivers : Nowadays, many drivers come in the operating system, due to which some hardware does not require drivers tha...
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HTML Head Tag | Definition, Title tag and Style tag | Part - 1

The <head> element is a container for all other header elements and is placed between the html tag and body tag. The head element is a major of  HTML document.

Head Section of html document not visible directly on the web page. The head element is like a container for metadata. The Html head tag contains metadata and metadata is data about the html document. Metadata typically define the document title(require every HTML document), style, location of stylesheet, descriptions, scripts and other meta information.

Many several tags go inside the head section

Title

Style

Script

Link

Meta

Base

Syntax : head tag syntax is



The <title> tag :

HTML <title> tag is used in every HTML Document web-page, it is necessary for Search Engine Optimization. The page title is used by search engine algorithms to decide the order when listing pages in search results.

The <title> element give the information what is the Title of the HTML web-page, it is display in the browser's title bar or in the page's tab.

Important about the title element :

The title must be in text.

The title element is written in the head tag.

The title is provide for the page when is added to favorites in the browser.

Content written between in the title element is shown on the title bar.

Use for Search Engine Optimization (SEO).

If you do not include the <title> tag within the <head> tag, you will receive the error.


The <style> tag : The Style Information Element

The style tag is used to define style information for a HTML document. Inside the <style> element you specify how html elements should render in a browser

The style tag can be placed between the head tag and also located with in the body tag.

syntax of style tag:


Important about the <style> tag :

The <style> element must be included inside the <head>.

The style tag is used to declare an internal stylesheet

In the style element we use html tag and also use the class for the formatting(bold, italic, increase/decrees the font-size, change background color etc...) of web/html document content.

It contains CSS which is applied to the HTML document.

The style tag specifies the "content-type" of stylesheet with its "type" attribute which should be set to "text/CSS".

You can use the multiple <style> element in html document.

The style tag supports the global attribute in HTML5.

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