Term
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Definition
| holds data, instructions / info for future use |
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Term
| storage medium (media for plural) |
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Definition
| the physical material a computer keeps data, instructions / info on |
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Term
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Definition
| the number of bytes a storage medium can hold |
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Definition
| the computer hardware that records and/or retrieves items to and from storage media |
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Term
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Definition
| the process of transferring items from a storage medium to memory |
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Term
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Definition
| the process of transferring items from memory to a storage medium |
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Term
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Definition
| measures the time it takes a storage device to locate an item on a storage medium and the time required to deliver an item from memory to the processor |
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Term
| common storage devices in order of slowest-fasterst transfer rates |
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Definition
| tape, optical disk, USB flash drives/memory cards, hard disk, memory (most RAM) |
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Term
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Definition
| the speed data, instructions / info transfer to/from a device |
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Term
| hard disk or hard disk drive |
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Definition
| contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information |
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Term
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Definition
| circuit board controls movement of head actuator/ a motor that spins the platters then software requests disk access and the read/write heads locate the data then the head actuator positions the read/write arms over the location on the platter to read/write the requested data |
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Term
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Definition
| hard disk recording that aligns the magnetic particles horizontally on the disk surface |
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Term
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Definition
| hard disk recording that aligns the magnetic particles vetically to the disk surface |
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Term
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Definition
| the process of dividing the disk into tracks and sectors so that the operating system can store and locate data and information on the disk |
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Term
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Definition
| occurs when a read/write head touches the surface of a platter |
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Term
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Definition
| made of aluminum, glass or ceramic and coated w/ alloy material that allows items to be recorded magnetically on surface |
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Term
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Definition
| a narrow roecording band that forms a full circle on disk surface |
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Term
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Definition
| pie-shaped sections in the disk's storage locations that break tracks into small arcs |
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Term
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Definition
| the smallest unit of disk space that stores data/info |
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Term
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Definition
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Term
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Definition
| the mechanism that reads/writes items in the drive by barely touching the disk's recording surface |
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Term
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Definition
| the vertical section of a track that passes through platters |
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Term
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Definition
| consists of memory chip(s)on hard disk that stores frequently accessed items |
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Term
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Definition
| the number of bits in an area on a storage medium |
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Term
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Definition
| special purpose chip on hard disk that receives requests from the processor |
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Term
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Definition
| redundant array of independent disks |
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Term
| redundant array of independent disks |
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Definition
| a group of two or more integrated hard disks |
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Term
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Definition
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Term
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Definition
| a device that is server connected to a network w/ sole purpose of providing storage |
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Term
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Definition
| freestanding hard disk that connects to the system unit w/a cable via a port or wirelessly |
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Term
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Definition
| can be inserted/removed from a drive |
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Term
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Definition
| serial advanced technology attachmnet |
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Term
| serial advanced technology attachmnet |
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Definition
| uses serial signals to transfer data/info using thin,flexible cables that resist interference |
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Term
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Definition
| enhanced integrated drive electronics |
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Term
| enhanced integrated drive electronics |
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Definition
| hard disk interface using parallel signals to transfer data/info |
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Term
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Definition
| consist entirely of electronic components like integrated circuits and contain no moving parts |
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Term
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Definition
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Term
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Definition
| a storage device that uses flash memory to store data/info |
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Term
| what are the benefits of SSD's |
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Definition
| faster access time/transfer rates, generates less heat/consume less power, last longer |
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Term
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Definition
| an Internet service that provides storage to computer users |
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Term
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Definition
flat, round, portable disc of metal, plastic/lacquer written/read by a laser
Read only vs. rewritable |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| works w/specially coated optical discs to etch labels directly on discs instead of using an adhesive label |
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Term
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Definition
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Term
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Definition
| rewrittable, high-capacity DVD formats |
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Term
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Definition
| magnetically coated ribbon of plastic capable of storing large amounts of data and information |
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Term
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Definition
| reads and writes data and information on a tape |
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Term
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Definition
| contains a magnetic stripe that stores information |
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Term
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Definition
| stores data on a thin microprocessor embedded in the card |
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Term
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Definition
| store microscopic images of documents on a roll or sheet film |
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Term
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Definition
| store photos from online photo center in jpg format w/ max res of 7200 pixels per photo |
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