Referring to a system in which upper case letters are differentiatedfrom their lower case form.

When matching a string of letters, it is case sensitive if capital and lower case letters must match exactly. If an operating system or a piece of software is case sensitive, it will see all of the fo [..]

Dictionary of Internet Terms When matching a string of letters ,it is case sensetive if capital and lower case letters must matched exactly .If an operating system or a piece of software is case sensetive ,it will see all of the following text strings as differentCOMMON,Common,common,CommoN . On the web and internet ,basic addresses are never case [..]

Means that it matters whether or not letters are capitalized.

When uppercase characters are distinguished from lower case characters (eg - Dwarfnet is different to dwarfnet). URLs, email addresses and often passwords are usually case sensitive.

When an application or program, etc. is set to distinguish between upper and lower case alphabetical characters.

Treating upper case letters as different characters from the same letters in lower case. Filenames or text searches which are case sensitive would distinguish between, for example, Internet and intern [..]

adj. sensible a mayúsculas y minúsculas

A situation where it is important if a letter or a set of letters are in upper or lower case.

A test that is sensitive to whether a character is upper-case (e.g., 'A') or lower-case (e.g., 'a').