Tuesday 17 March 2009

KEY BOARD INPUT


The 3 C's - Editing The magic of word processing is nothing more than copying text. In this example, in order for the "O" to be inserted into the word, the remaining characters are copied one memory location (byte) to the right to make room for it. Deleting is copying in reverse. As in all data processing, there is a whole lot of calculating and comparing going on to keep track of where the text is stored in memory

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