up I .
➡ back up
II .
( computing ) to prepare a second copy of a file, program, etc. that can be used if the main one fails or needs extra support
—related noun backup
up I .
➡ back up
II .
( computing ) to prepare a second copy of a file, program, etc. that can be used if the main one fails or needs extra support
—related noun backup
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005