Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct option for this question is the file extension. Because, by knowing the file extension, you can easily understand and know what the file is. If Evan checking out some groovy music files then he will definitely look at the file format to know that is it the music file or not.
Other options are not correct because:
messaging app function is to send the message, receive and store the message while hardware does not have any relation to identifying the music file and system software is an example of an operating system that also does not help the Evan for looking at music file on the laptop.
Answer: Networking protocols are important as they define a set of rules to be used for exchanging information between computer nodes.
Explanation:
in terms of networking it is required for the source and the destination to have a set of predefined rules which enables the router to send and receive information across the network in such as way that both the ends are able to receive the messages.
The information exchange takes place first by the client by introducing itself to the remote server. the remote server upon receiving the information uses some form of handshaking and acknowledges the client of the receipt of the message.
besides this there are many routing protocols which tells us about the way how packets are sent from the client to the source. There are two types of routing protocols:
1. static routing protocols
2. dynamic routing protocols.
Answer:
The Start or Start button was first introduced with the release of Microsoft Windows 95 and is found in all releases of Windows since. Start allows you to access your computer programs and configure Microsoft Windows easily by accessing the Start menu.
Materials
materials are the only physical thing
