The movement of the hard drive's read/write heads over different areas of the disk when accessing fragmented files is slower, compared to accessing the entire contents of a non-fragmented file sequentially without moving the read/write heads to seek other fragments.
The giant oceanic manta ray can grow to a disc size of up to 7 m (23 ft) with a weight of about 1,350 kg (2,980 lb) but average size commonly observed is 4.5 m (15 ft). It is dorsoventrally flattened and has large, triangular pectoral fins on either side of the disc.
Manta Rays are sea animals, they are relatives of the shark. they look like sting rays, but manta rays are a lot bigger. 12 people found this useful. Edit. Share to:  1 Ray: An Inspiring Movie About a Musical Icon Ray is a biographical drama about the life of musician Ray Charles.