Answer: I need more info to answer this question
Explanation:
Answer:
The answer is below
Explanation:
There are cases where the use of a NULL value would be appropriate in a computer programming situation. These cases can be summarily described below:
The first case is in a situation where the value of the attribute of a certain element is known to exist, but the value can not be found
The second case is in a situation where the value of the attribute of a certain element is not known whether it exists or not.
Answer:
d
Explanation:
All of the above can be means by which signals or information is transferred.
D I,II and III is the answer i think
