What are the advantages and disadvantages of UTF-8 compared to ASCII?

Computers and Technology

1 answer:

Romashka [77]3 years ago

6 0

Answer:

UTF-8 and ASCII both are the character encoding.

In a system,every character has some binary representation,these are the method to encode them.Earlier only ASCII was there, for every character it uses 8 bits to represent.In ASCII only 8 bytes were there i.e 2^8 that is 256.We can't represent number beyond than 127 so it generate a need for other encoding to get into,these drawbacks lead to Unicode,UTF-8.

As ASCII codes only uses a single byte,UTF-8 uses upto 6 bytes to represent the characters.So we can save characters which are as long as 2^48 characters. We can read this encoding easily by the help of shift operators and it is also independent of byte order.

As messages on internet were transferred over 7 bit ASCII messages,so many mail servers removed this encoding.

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