Text And Numbers

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Text And Numbers

Post  admin on Fri 25 Jun 2010, 3:42 am

Text is any sequence of symbols that have meaning. Symbols entered from a keyboard are text. Most of the information we use each day is text.

Common ways of presenting text include: text screens, boxes and scrolling text windows.
With text, users can read and review the information at their own speed.
The two most commonly used methods for digitally representing text are systems based on ASCII (American Standard Code for Information Interchange) such as Unicode systems, and EBCDIC (Extended Binary Coded Decimal Interchange Code).

Unicode system for coding text is used more widely and has become the standard for representing text digitally. Standard ASCII represents the English language characters using decimal numbers in the range 0-127 – requiring seven bits per character. Text and numbers within a multimedia presentation take up the least space and can convey a lot of information, however users may find reading through large amounts of text and numbers boring, meaning retention rate is lower.

The number media type is used to represent integers, real numbers, currency, Boolean and also dates/times.
Common ways of presenting text include: text screens, boxes and scrolling text windows.
With text, users can read and review the information at their own speed.

An interactive presentation involves a two-way communication between the user and the presentation. Books, television and videos are mostly non-interactive.

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