Book directories have long been used by people to find contact information about establishments and other people. Today, the term can be applied in computing too. Get the facts about the world’s biggest directory and how its definition has changed.
The acronym ‘PDF’ stands for Portable Document Format, which was developed by Adobe Systems in 1993 for document exchange. This file format is independent of the operating system, hardware and application software. In addition to these important facts, there are more to learn about it including the dimensions of a PDF page.
The term allocation unit size is the smallest section that disks use to save files. Different unit types are available, such as 512Kb and 4096Kb. Besides size, the effect allocation has on disk access speed must also be considered.