Secondary storage - information and useful tips

1) The main function of secondary storage is to instal programs and southward when they are not being apply. 2) secondary storage is apply to store info that is not being riding habitd 3) The roughly wide used form of secondary storage is magnetized plows because they are nonvolatile. 4) They are portable, inexpensive, lightweight, nonvolatile, and easily accesible. 5) It must be formatted, format defines the disk surface and erases some(prenominal) pre-existing data. It also scans the disk for some(prenominal) defects. 6) 1, the recording density. 2, the number of tracks on the disk. 7) Access term is the beat required to access and retrieve data. This time is made up of three functions, seek time - the time interpreted for the label\write head to get in place. Rotational stretch out - Time taken for the part of disk with required selective information to spin under the head. info transfer rate - tim taken for data to get from the disk to the main memory. 8) 8 back tooth on floppy disks, 5 in floppy disks, 3.5 atomic number 49 floppy disks - all three collapse a ductile out casing with a thin mylar disk coat with an oxide. HD (high density) 3.5 inch floppy disks can store more data (1.44MB).

Floptical disks use both optical and magnetic technology to store some(prenominal) larger amounts of data (approx 2 GB) 9) Floppy disks work a plastic casing containing a single disk as opposed to a rigid platter containing several. 10) Hard disks have easier access and larger and faster storage capacity than diskettes. 11) RAIDis a system that has, faster access. Zip drive, portable. Memory button , easy to use 12) Data compression reduces s! torage size by substituting codes for repetition patterns. It is used so less memory on your ready reckoner is used. 13) To prevent the loss... If you want to get a full essay, monastic order it on our website: BestEssayCheap.com

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