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.
Re: my magnavox dvd player will start to read a dvd, but... Usually this means either a dirty or bad optical pickup in the unit which is what reads the disc. Posted on Dec 21, 2012. You can't post conmments that contain an email address.