Answer:
The Correct Software
Explanation:
Some mail application have built in support to view the attachment like in a phone. While others don't, so if that is the case your device will attempt to open the file according to its extension (.exe, .txt, .js etc.) If your device doesn't have the correct software to open it, then the other things don't matter.
Answer:
The answer to the following question is "false".
Explanation:
In computer science, ROM stands for read-only memory. ROM is an electronic device that stores data. It is non-volatile which means that the data is saved even if the part drops power. Once information has been signed into a ROM, it cannot be removed and can only be read. So the answer to this question is "false".
-100 it is horruble, I would never join the class
Answer:
Correct answer is option B (The reason for using supertypes is to minimize the number of nulls and to minimize the likelihood of redundant relationships)
Explanation:
Entity supertype
A entity supertype is a generic entity type which is related with one or more subtypes.
Use of entity supertype:
The reason for using entity supertype is to reduce redundant relationships and it is also used to minimize the number of nulls.
