No. Communication not always formal.
Certain extensions of files. Sometimes, the name of the file could be something like Trojanx64.sys(I think). I had a few files of malware, but they were deleted. I believe the most common extension is .sys for viruses. Additionally, antivirus software could look into the properties of the program/process.
Answer:
There should be a colon at the end of the if statement, ie:
<h2>
if x > 100:</h2><h2>
print("...")</h2>
Answer:
Surveys
Explanation:
Quantitative research methods seek to generate useful data to properly analyze the behaviors, opinions, and attitudes of some selected individuals. The collection method of quantitative methods includes all forms of surveys (paper, online, mobile, etc.).
The customer satisfaction questions are a form of surveys because they seek to discover her perception, attitude, and behavior towards their company.
Background would be your answer :)