Shutter speed<span> is </span>generally measured<span> by the scientific symbol “s”. The </span>measurement means<span> that the </span>measurements<span> in "s" is the reciprocal of the number when the denominator is put on the numerator side instead. ... Aperture is </span>measured<span> by f's.</span>
Answer:
<em>Internet backbone</em>
Explanation:
The internet backbone is made up of multiple networks from multiple users. It is the central data route between interconnected computer networks and core routers of the Internet on the large scale. This backbone does not have a unique central control or policies, and is hosted by big government, research and academic institutes, commercial organisations etc. Although it is governed by the principle of settlement-free peering, in which providers privately negotiate interconnection agreements, moves have been made to ensure that no particular internet backbone provider grows too large as to dominate the backbone market.
A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
