____ is a symmetric key-encryption technique that will replace the commonly used DES standard.

The Windows 10 ________ app can be used to read and respond to messages from multiple email accounts from a single user interface

Fill in the blank(s) with correct word

A(n) __________ is a name that represents a value which cannot be changed during the program's execution.

a. uninitialized variable b. named constant c. input variable d. named variable