The message is lost when an FTP message is not delivered to its destination because FTP doesn't use a reliable delivery method.
<h3>What is FTP?</h3>
FTP is an abbreviation for file transfer protocol and it can be defined as a type of server that's designed and developed to store and provide files for download, as well as sharing between two or more users on an active computer network.
Generally, the message is lost when an FTP message is not delivered to its destination because FTP doesn't use a reliable delivery method.
Read more on FTP here: brainly.com/question/20602197
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It can penetrate the blood-brain barrier.
        
             
        
        
        
There are two ways to convert from hexadecimal to denary gcse method. They are:
- Conversion from hex to denary via binary.
- The use of base 16 place-value columns.
<h3>How is the conversion done?</h3>
In Conversion from hex to denary via binary:
One has to Separate the hex digits to be able to know or find its equivalent in binary, and then the person will then put them back together.
Example - Find out the denary value of hex value 2D.
It will be: 
2 = 0010
D = 1101
Put them them together and then you will have:
00101101 
Which is known to be:
 0 *128 + 0 * 64 + 1 *32 + 0 * 16 + 1 *8 + 1 *4 + 0 *2 + 1 *1 
= 45 in denary form.
Learn more about hexadecimal from
brainly.com/question/11109762
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The average speed of an 8 bit computer is 0.50 MIPS or million instructions per second. There are three  thousand instructions per digit of the number in <span>π, the thousandth place needs 4 x 3 = 12 thousand instructions. The time it takes to do this is 12000 / (0.5 x 1000) = 24 seconds.
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Answer:
Webmail allows the users to access their emails as long as they have access to an Internet connection and a web browser. This also means that the user cannot read an old email or draft a new email offline.