B) For Military Purposes but around the 1970s they became widely available to consumers.
Answer:
cryptography
Explanation:
cryptography
In computer science, cryptography refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based calculations called algorithms, to transform messages in ways that are hard to decipher
The
correct answer is A. Table Object > Excel Spreadsheet
To be more precise- Click on INSERT on the ribbon tab in
Microsoft Office. You will see a button labeled OBJECT. You can then scroll
down and pick Excel Spreadsheet in the drop down menu.