Text is obviously the simplest of data types and requires the least amount of storage.
Text in the form of words, sentences, and paragraphs is used to communicate thoughts, ideas, and facts in daily life.
Text may not be as visually exciting as some of the other media types, but it often conveys essential and precise information.
Text elements
Alphabet characters
A – Z and a – z
Numbers
0 – 9
Special characters
Punctuation (. , ; “ ‘ ! : - /)
Signs ($ + - = @ # % ^ & *)
Obtaining Text
Text can be captured in following ways:
- Keyboard
- Mouse
- Scanner (OCR) – Optical Character Recognition ((designed to translate images of handwritten or typewritten text (usually captured by a scanner) into machine-editable text ))
Types of Text
Unformatted text (Plaintext)
comprise strings of fixed-sized characters from a limited character set.
comprise strings of characters of different styles, size and shape together with tables, graphics and image inserted at appropriate point.
Example: Rich Text Format (RTF), HTML, .doc
Hypertext
It enables the integrated set of documents (each comprising formatted text) to be created which have defined linkages between them.
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