MIS 2223 chpt 8 – Flashcards
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Which statement best describes disk cache?
answer
memory chips on a hard disk that store frequently accessed items
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Which of the following is NOT true about storage media and devices?
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Writing is the process of transferring items from storage media to memory.
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You want a storage medium that allows you to locate a particular data item immediately, without having to move consecutively through items stored in front of the desired data item or file. What kind of access will this storage medium use?
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direct
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Which of the following is the largest from among the following?
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YB
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What technology works with specially coated optical discs to etch labels directly on the disc?
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LightScribe
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Before any data can be read from or written on a hard disk, what must happen to the disk?
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formatting
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Which of the following overcomes the major disadvantage of CD-R disks, which is being able to write on them only once?
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CD-RW
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The use of microfilm and microfiche provides all of the following advantages EXCEPT ____.
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they can be read without a reader
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Which of the following kinds of storage is NOT used by NAS and SAN solutions?
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flash memory
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What do discs, like the kind shown in the accompanying figure, usually measure?
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4.75 inches in diameter and less than one-twentieth of an inch thick
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Which of the following kinds of access refers to reading or writing data consecutively?
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sequential
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Which RAID level technique splits data, instructions, and information across multiple disks in the array?
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striping
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Which of the following does NOT use direct access?
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tape
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Which of the following is not true about tape storage?
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A benefit of tape is that it allows for nonsequential access.
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You are looking for an RFID tag that does not contain a battery because you want one that is small enough to be embedded in skin. Which of the following will you use?
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passive RFID tag
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A standard CD-ROM is referred to as this kind of disc because manufacturers write all items on the disc at one time. What is the term used?
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single-session
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Which storage term used to measure capacity is approximately a billion bytes?
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gigabyte
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Which of the following kinds of backup is another name for a full backup?
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archival
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Which of the following kinds of RFID tags contains a battery that runs the chip's circuitry and broadcasts a signal to the RFID reader?
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active
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Some personal computer manufacturers provide a hard disk configuration that connects multiple smaller disks into a single unit that acts like a single large hard disk. What is this grouping called?
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RAID
