WebB. fast access speed C. highly reliable D. one high-capacity hard disk drive Correct Answer: D On a hard disk each track is divided into invisible wedge-shaped sections called _______. A. bits B. platters C. cylinders D. sectors Correct Answer: D These discs have a capacity of 50 gigabytes on one side. A. HD DVD B. CD C. DVD D. Blu-Ray WebJan 23, 2024 · Access Speed. The average time it takes the unit to access the data when requested. Typical values range from 100-250 ms. ... It is similar to a CD-R but allows you to overwrite data according to needs, so it works more or less like a floppy disk, but much more information is available. It has no obvious drawback, because it is the most ...
Optical storage media writing and reading speed
WebA standard compact disc measures 4.7 inches, or 120 millimeters (mm), across, is 1.2 mm thick, weighs between 15 grams and 20 grams, and has a capacity of 80 minutes of … WebJun 23, 2010 · A CD-RW drive has three actions — recording, rewriting (erasing and recording over) and reading. When looking at the drive speeds, the first number (“12” in the above example) indicates the speed at which the CD drive will record data onto a CD-R compact disc. So, in the above example, the CD drive will record data at 12 times 150 … flint river fishing guide
CD Speed Test - Benchmark CD ROM and DVD drives
WebThey use NAND flash memories (millions of transistors wired in a series on a circuit board), giving them the advantage of having no mechanical moving parts and therefore immediate access to the data. Solid state drives … WebWhen needed, data is then accessed directly from memory, which has a much faster transfer rate than from the hard disk. Increases performance by as much as 30 percent. DVD (digital versatile disc or digital video disc) Similar to CD-ROMs except that more data can be packed into the same amount of space. DVD WebSep 13, 2015 · A hard drive can fit a lot more data on a disk - this means more information can be read on a single revolution of the drive. [ Because of the density of data and the … greater portland health jobs