What Does Null Mean?


The word null has different meanings. In law it means having no legal or binding force, invalid, in mathematics it means having or associated with the value of zero. In computer science, it is a special pointer value used to signify that a pointer intentionally does not point to an object.
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Ask.com Answer for: what does null mean
without value, effect, consequence, or significance.
being or amounting to nothing; nil; lacking; nonexistent.
being or amounting to zero.
Electronics. a point of minimum signal reception, as on a radio direction finder or other electronic meter.
to cancel; make null.
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Source: Dictionary.com
Null means nonexistent; no legal force; no consequence. It can also mean void like in the saying 'null and void'. That is the definition of what null means.
In computer terms null means nothing, as in blank data. When null is entered into a database it simply enters a blank. Null is often used to insert a blank field into a database which will be filled with data at a later time.
Q&A Related to "What Does Null Mean"
Null can mean a couple of different things. First, it can mean to have no legal standing or be invalid. Also, it can mean to have a value of zero.
1. Ascertain the length of your character string. 2. Ascertain the endpoint of your character string by subtracting one from the total length of the character string (Array elements
umm. that's actually reallyyy tuff. no one knows yet.
1 The pointer to compare to is called yourPointer in the code snippet below. Ad 2 A sample of a properly coded check for NULL in C is: if ( NULL == yourPointer ) { /* do what you
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