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.
What is a HDD/DVD Recorder? A Hard Disk Drive (HDD) DVD Recorder is a standalone DVD recorder that includes an internal hard disk drive. It is also known as a DVD Recorder with Built-in Hard Drive or HDD/DVD Recorder.. This device can record to either a DVD disc or the internal hard drive from an external video source, such as cable or satellite television, VCR, or camcorder.