Data - Usually means the information text pictures audio etc that you create or share on a computer as opposed to the programs that. Download Free PDF View PDF. Os Computer Abbreviation Usually Means A Order Of Significance B Open Software C Optical Sensor D Operating Syste New Words General Knowledge Kharagpur CD-ROM - a disk for storing computer information. . Most Mac OS applications have a unique file creator ID that is registered with the Apple Computer Developer Services group. From the software perspective 64-bit computing means the use of machine code. And forgot to add the same convention for all devices but I replace the three letters for the last name to the type of device. It looks like an audio CD. Cache - a kind of memory used to make a computer work faster. For example if the product is odourless then the odour threshold would be reported as Not applicable. These abbreviated terms are common...