It takes places during surveying.
For example, let's say you want to review your own produced game application software, and found out whether it satisfy your consumer or not
Before you conduct the survey, you have to identify what aspect you want to find out from your consumers , such as : Does it have any bug ? Is it challenging enough ? is the graphic good enough ? etc
Answer:
Drop down list
Explanation:
You have not listed what the possible answers are, however a drop down list would be an option to accomplish this.
Answer:
69.08265412 milliseconds
Explanation:
Lets first convert 7 MiB to bits
bits
Now convert bits to Gbits
Gbits
Queuing Delay = Total size/transmission link rate
Queuing Delay= 
seconds
Delay of packet number 3 = 
seconds
or 
milliseconds
Answer:
ECC RAM
Explanation:
ECC RAM is the most popular Random Access Memory out there that is used by most business servers. Dealing with big data for most huge businesses is crucial. The need to prevent loss of data requires that they purchase ECC RAM. ECC RAM automatically protects the systems from potential errors that occur in memory. Any abrupt changes in temporary data stored in ECC RAM are automatically corrected. This is achieved by an additional memory chip that acts as error detection for the other eight RAM chips.
The union of two tables is basically the total of the two tables, so "or" questions would be my guess.
