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.
(March 2015). A check mark, checkmark or tick is a mark (â , â , â , â , etc.) used to indicate the concept yes (e.g. yes; this has been verified, yes; that is the correct answer, yes; this has been completed, or yes; this [item or option] applies to me).s a verb, to check (off) or tick (off), means to add such a mark. Printed forms, printed documents, and computer software (see Checkbox), commonly include squares in which to place check marks.