Make sure you but no copyright, author, and date of publication, that may help.
Answer:
int x = 10;
Explanation:
This would work in many languages (C/C++/C#/Java).
The answer you are looking for would be A. Hardware can be an external tool, where as software is an internal tool. Hope this helped!
Answer:
biometrics
Explanation:
Voice and fingerprint <u>biometrics</u> can significantly improve the security of physical devices and provide stronger authentication for remote access or cloud services.
