If by "external" you refer to separate .css style sheet files instead of style sheets as parts of HTML pages, the short answer is: Avoiding headaches and redundancy.
You can define one or several complex style sheets and use it for hundreds of pages. Changing one definition will update your whole site.
Also, an external style sheet will be cached, so a user's browser only has to load it once. This saves time and bandwidth.
Internal (and firstly inline) take precedence. It is a matter of order! Inline will always override. Internal (in the Head element) will come second. External allows the formating of multiple pages. Even more than one stylesheet can be linked. The last one always has precedence (except with the "!important" attribute)
what is different between internal dtd and external dtd and advantages and disadvantage plz tell me answer
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Internal is inside the organism External is the surroundings and stuff that happens outside the organism
The styling that can be applied within the HTML code is internal styling. When imported from external file, then it is External styling.
Internal hashing mainly used for internal file, it is particularly an array of records. External hashing used for file disk
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what is different between internal dtd and external dtd and advantages and disadvantage plz tell me answer
One of the advantages of external funding is it allows you to use internal financial resources for other purposes..
internal and external CRM Modules.
It feels better
internal and external CRM Modules.
extenal fertilization take out side of the body while internal inside the body
They refer to who is holding power in buying situations. External are circumstances a company can't control such as people's preferences, demand whereas internal are the people in the company.
Just like real people, characters act based on internal and external situations. Some external situations or traits might be where the character is, who is watching, and their physical shape or limitations. Internal traits that shape actions might include emotional reactions, fears or hopes, and intelligence.
An external drive will be a little slower because of the speed differences between SATA (internal) and USB (external). The obvious advantage to an external is changeability, ease of access, etc.
External sound cards are generally used in situations where internal cards cannot be used -- laptops in particular. Some external cards also offer more inputs and controls than many internal cards.
you should answer it by your self la.......... ghost