Although the disc media and the drives of the CD and CD-ROM are, in principle, the same, there is a difference in the way data storage is organized. Two new sectors were defined, Mode 1 for storing computer data and Mode 2 for compressed audio or video/graphic data.
Most emphysema causes involve repeated breathing in of fumes and other things that irritate and damage the lungs and airways. Specific causes of emphysema can include: 1  Cigarette smoking. 2  Pipe, cigar, and other types of tobacco.3  Certain fumes or dust. 4  Genetic factors.ost emphysema causes involve repeated breathing in of fumes and other things that irritate and damage the lungs and airways. Specific causes of emphysema can include: 1  Cigarette smoking. 2  Pipe, cigar, and other types of tobacco.
Emphysema is a chronic lung condition that causes shortness of breath, a chronic cough, wheezing, and more. Anaphylactic shock. Anaphylactic shock is a sudden severe allergic reaction marked by breathing trouble, a tight throat, and more. Barrett esophagus. Barrett's esophagus occurs when the lining of the esophagus is damaged, usually by acid reflux.