1. Fluctuations of aggregate economic activity. 2.Cycles Expansion/Boom and Contraction/Recession. Peak and Trough: They are the turning Points of the business cycle. 3. Comovements of many macro variables over the business cycle.
Section 5: Using external media: CDs, DVDs and removable USB storage devices. â¢ dvd-r:until about 2005 the most common and portable format; cannot be erased or reused. â¢ dvd-rw:are-writable version of-rformat, similar to cdrw format CD discs.
A DVD (Digital Versatile Disc) is a disc that is able to store large amounts of information on a single disc. Higher resolution video can be running in the background while karaoke music is playing. This format is different from CDGs so you will need a karaoke player capable of reading DVDs to play this format.