Lossy compressors don't have the same constraints as a lossless compressor. If you data your input, compress it, and then decompress it, the output is not identical to the input. This allows the compressor to potentially compress the data far more than even the ideal lossless compressor hypothesized above.
The question mark (?), also known as the interrogation point, query, and eroteme, is a punctuation mark that indicates an interrogative clause, or phrase in many languages. The question mark is not used for indirect questions.
In North American English, it's sometimes called the pound sign and used as a symbol for pounds weight: this can be confusing for British people for whom a pound sign is Â£.It's also known as the number sign in North American English, in contexts such as go to question #2.n North American English, it's sometimes called the pound sign and used as a symbol for pounds weight: this can be confusing for British people for whom a pound sign is Â£.