The term 'SPLIT BIT' is a combination of two words, 'SPLIT' and 'BIT'. The word 'SPLIT' means to divide or separate something into two or more parts, while the word 'BIT' is a unit of information in computing and digital communications. Together, the term 'SPLIT BIT' refers to a method of data transmission in which a single BIT of data is divided into two or more parts and sent separately. This technique is used to increase the reliability of data transmission by ensuring that all parts of the data are received correctly.