My opinion is the answers A and D. I would choose A if you can only choose one, though.
Answer:
maximizing processing power
by typing ctrl+ s on keyboard
Answer:
Sorting tools allow you to organize data into columns and rows that help you locate what you are looking for.
Explanation:
Spreadsheet applications and relational databases are similar in configuration as they are both arranged in rows and columns (tabular). Sorting a spreadsheet or database is useful as it helps to organize data. A sorted spreadsheet or database can be in ascending or descending order which makes it easier and faster to locate rows of data manually or by query.