Answer:
userB will use his/her private key.
Explanation:
The steps involved in using asymmetric cryptographic algorithm are as follow:
1. Each user generates a pair of keys to be used for the encryption and decryption of messages.
2. Each user places one of the two keys in a public register or other accessible file. This is the public key. The companion key is kept private.
3. If UserA wishes to send a confidential message to UserB, UserA encrypts the message using UserB's public key.
4. When UserB receives the message, she decrypts it using her private key.
Answer: B) web browser
Explanation: A web browser may be explained as a software program or application available on various operating systems such as windows, Mac, Android, iOS among others. This program acts as an interface between information available on websites or pages and users. This application takes a specified uniform resource locator or web address as input and outputs the information available on a web page. Google Chrome, Internet Explorer, Microsoft edge, opera mini, Safari, Firefox and so on.
The answer is virtualization
Virtualization is the creation of virtual versions of something
such servers, storage devices, operating systems, that allows one to share an
application or a resource among multiple customers or organizations. It plays a
critical role in cloud computing through sharing data that is present in the clouds
like application and infrastructure.
In python:
first_grade = float(input("Please input the first grade "))
second_grade = float(input("Please input the second grade "))
third_grade = float(input("Please input the third grade "))
print("The average of the three grades is {}".format( round((first_grade + second_grade + third_grade) / 3,2)))
