Answer:
First point and the last point are the correct answer to the given question .
Explanation:
The main objective of the digital signature is to ensure the quality of the document or the message was not changed during the transfer of message in the network.
Following are the advantages of the digital signature
- As compare to the electronic signature the digital signature is more secure then that of.
- The signer's signature is seen on the digital signatures as the physical proof.
- Global recognition, and the compliance with the law.
All the other options are incorrect they are not advantage of the digital signature .
<em>r = 15 cm</em>
<em>formula</em>
<em>V = πr²×h/3</em>
<em>replace</em>
<em>4950 = 22/7×r²×21/3</em>
<em>4950 = 22/7×r²×7</em>
<em>4950 = 22×r²</em>
<em>r² = 4950/22</em>
<em>r² = 225</em>
<em>r = √225</em>
<em>r = √15²</em>
<em>r = 15 cm</em>
A type of animated character that represents a user in the virtual world, which is used to move throughout the world and interact with other characters and objects is called an <u>avatar</u>.
<h3>What is an avatar?</h3>
An avatar can be defined as a type of animated character that is designed and developed by a software developer to represent a user or player in the virtual world, which is used to move throughout the world and interact with other characters and objects.
In gaming technology and software development, an avatar is typically used to denote a user's (player's) character in the gaming world, virtual world or computer-simulated environment, either in two-dimensional (2D) or three-dimensional (3D).
Read more on avatar here: brainly.com/question/26479902
Answer:
To make sure that there is no other outside/excess noise while you are filming your actual film
Hoped this helped !
Cheers, Z