Secondary storage - information and useful tips

1) The main function of secondary storage is to shop programs and southward when they are not being apply. 2) secondary storage is utilize to store information that is not being phthisisd 3) The some wide used form of secondary storage is magnetised plows because they are nonvolatile. 4) They are portable, inexpensive, lightweight, nonvolatile, and easily accesible. 5) It must be formatted, data format defines the disk surface and erases some(prenominal) pre-existing data. It also scans the disk for whatever defects. 6) 1, the recording density. 2, the number of tracks on the disk. 7) Access term is the clock time required to access and retrieve data. This time is made up of three functions, seek time - the time interpreted for the tag\write head to get in place. Rotational start - Time interpreted for the part of disk with required information to spin under the head. info transfer rate - tim taken for data to get from the disk to the main memory. 8) 8 bathroo m on floppy disks, 5 in floppy disks, 3.5 inch floppy disks - all three collapse a plastic out casing with a thin mylar disk cover 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 progress to 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 storage size by replace 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: OrderEssay.net

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