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There are two Types of Booting



1) Warm Booting: when the System Starts from the Starting or from initial State Means when we Starts our System this is called as warm Booting. In the Warm Booting the System will be Started from its beginning State means first of all, the user will press the Power Button , then this will read all the instructions from the ROM and the Operating System will b Automatically gets loaded into the System.

2) Cold Booting :The Cold Booting is that in which System Automatically Starts when we are Running the System, For Example due to Light Fluctuation the system will Automatically Restarts So that in this Chances Damaging of system are More. and the System will no be start from its initial State So May Some Files will b Damaged because they are not Properly Stored into the System.

Describe the classification of types Computers can be broadly classified by their speed and computing power.

1) PC (Personal Computer) - It is a single user computer system having moderately powerful microprocessor

2) WorkStation - It is also a single user computer system which is similar to personal computer but have more powerful microprocessor.

3) Mini Computer - It is a multi-user computer system which is capable of supporting hundreds of users simultaneously.

4) Main Frame - It is a multi-user computer system which is capable of supporting hundreds of users simultaneously. Software technology is different from minicomputer.

5) Supercomputer - It is an extremely fast computer which can execute hundreds of millions of instructions per second.

A PC can be defined as a small, relatively inexpensive computer designed for an individual user. PCs are based on the microprocessor technology that enables manufacturers to put an entire CPU on one chip. Businesses use personal computers for word processing, accounting, desktop publishing, and for running spreadsheet and database management applications. At home, the most popular use for personal computers is playing games and surfing Internet.

Workstation

Workstation is a computer used for engineering applications (CAD/CAM), desktop publishing, software development, and other such types of applications which require a moderate amount of computing power and relatively high quality graphics capabilities.

Minicomputer

It is a midsize multi-processing system capable of supporting up to 250 users simultaneously. A mainframe is an ultra high-performance computer made for high-volume, processor-intensive computing. They are typically used by large businesses and for scientific purposes.



4)Mainframe

A mainframe is an ultra high-performance computer made for high-volume, processor-intensive computing. They are typically used by large businesses and for scientific purposes. You probably won't find a mainframe in any household. In the hierarchy of computers, mainframes are right below supercomputers, the most powerful computers in the world. 5)Supercomputer

Supercomputers are one of the fastest computers currently available. Supercomputers are very expensive and are employed for specialized applications that require immense amount of mathematical calculations (number crunching).A supercomputer is a computer with a high-level computational capacity compared to a general-purpose computer.

 

43.Where does the text inside the < title > element appear in a browser?
The <title> tag is coded in the HTML head section and contains the text that is to appear in the web browser's title bar and various other places. It can be used in favorite bookmarks, browser history or search results and therefore should be a good description of the document for any of those purposes.
Rules for coding the HTML title element
Make sure you understand the difference between a tag and element and are familiar with the definitions of namespace and other HTML terms.
1. Inside a head element where metadata content is allowed, code a single required title element.
2. Begin the title element with a starting <title> tag. The element name uses lower case letters and should be in the HTML namespace, which it will pick up automatically from the xmlns attribute on the <html> tag.
3. Code the text for the document title between the start tag and the end tag.
4. End the title element with a matching </title> closing tag.
<title> Content Model
Contents of the <title> Tag
The title element should only contain text. It is not allowed to have any child elements. Style tags such as for italic (<i>) or bold text (<b>) would not work anyway since the appearance of the window title is determined by the operating system. Since it cannot contain any tag markup, any < symbols must be escaped as &lt; and, as in any HTML code, ampersands should be escaped as &amp;.
HTML comments should not be coded inside a title element.

42Identify attributes of the < div > element and explain what they are used for.

The div is a generic block-level element. It doesn’t convey any meaning about its contents (unlike a p element that signifies a paragraph, or an h1 or h2 element that would indicate a level 1 or level 2 heading, respectively); as such, it’s easy to customize it to your needs. The div element is currently the most common method for identifying the structural sections of a document and for laying out a web page using CSS.

Some developers perceive similarities between the p and the div elements, seeing them as being interchangeable, but this isn’t the case. The p element offers more semantic information (“this is a paragraph of text, a small collection of thoughts that are grouped together; the next paragraph outlines some different thoughts”), while the
div element can be used to group almost any elements together. Indeed, it can contain almost any other element, unlike p, which can only contain inline elements.

41.Identify attributes of the < img > element and explain what they are used for.

The <IMG> tag is used to incorporate in-line graphics (typically icons or small graphics) into an HTML document. This element is NOT intended for embedding other HTML text. For large figures with captions and text flow see FIG element.

Browsers that cannot display in-line images ignore the IMG element unless it contains the ALT attribute. Note that some browsers can display (or print) linked graphics but not in-line graphics. If the graphic is essential, you may want to create a link to it rather than to put it in-line. If the graphic is essentially decorative, then IMG is appropriate.





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