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:
topical
Explanation:
A presentation on the history of the Internet would mostlikely use the topical pattern of organization.
Solution :
We have to provide an expression for the binary numbers. There can be binary fractions or integers. Whenever there is leading 0, it is not allowed unless the integer part is a 0.
Thus the expression is :