CSC Ch. 8 – Flashcard
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Storage devices can be categorized as input or output devices
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F: Function as input and are categorized as storage device
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A storage medium is volatile; that is, items stored on it remain intact even when you turn off a computer or mobile device
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F: nonvolatile
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Compared with the access time of memory, the access time of storage devices is slow
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T
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Because current standards, head crashes no longer occur
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F: Still occasionally occur
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While encrypted files offer greater security than encrypted files, an operating system may require more time to open and access encrypted files
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T
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The transfer rate of external hard drives usually is slower than that of internal hard drives
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T
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Solid-state media is more durable and shock resistant than other types of media, such as magnetic hard disks or optical discs, because it contains no moving parts
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T
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Like a hard disk, you regularly should defragment an SSD to increase access time
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F: Do not need to defragment
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When you are finished using a USB flash drive, simply remove it from the USB port
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F: Eject and safely remove from USB port
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Mini discs require a separate mini disc drive; that is, they do not work in standard sized optical disc drives
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F: Do work
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With serial transfers, data is sent one bit at a time
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T
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An active RFID tag contains a battery than runs the chip's circuitry and broadcasts a signal to the RFID reader, because they are so small, they can be embedded in skin
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T
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___ measures the amount of time it takes a storage device to locate an item on a storage medium and/or the time required to deliver an item from memory to the processor
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Access time
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A(n)___ is a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information
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Hard disk
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A hard disk's storage locations consist of wedge-shaped sections, which breaks the tracks into small arcs called
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Sectors
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____, sometimes called a buffer, consists of a memory chip(s) on a hard disk that stores frequently accessed items, such as data, instructions, and information
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Disk cache
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A disc on which you can write multiple times sometimes is called a ___ disc
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Multisession
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The process of copying audio and/or video data from a purchased disc and saving it on your own media is called ____
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Ripping
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A selective backup sometimes is called a(n)
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Partial
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Enterprise storage often uses ___ technology as the interface that connects the devices to the network because it has faster transmission rates than SCSI
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Fibre Channel
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Process of transferring data, instructions, and information from memory to a storage medium
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Writing
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Process of transferring data, instruction and information from a storage medium into memory
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Reading
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Flash memory chip type that consist entirely of electronic components, such as integrated circuits, and contains no moving parts
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Capacity
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The number of bits in an area on a storage medium
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Density
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Storage method in which the magnetic particles are aligned vertically to a disk's surface, making much greater storage capacities possible
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Perpendicular recording
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Storage method in which the magnetic particles are aligned horizontally around a disk's surface
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Longitudinal recording
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Flash memory chip type that consists entirely of electronic components, such as integrated circuits, and contains no moving parts
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Solid-state media
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Special-purpose chip and electric circuits that control the transfer of data, instructions and information from a drive to and from the system bus and other components in the computer
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Controller
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The simplest RAID storage design, which writes data on two disks at the same time to duplicate the data
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Mirroring
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Storage technique in which a device is able to locate a particular data item or file immediately, without having to move consecutively though items stored in front of the desired item or file
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Random access
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Specifies a regular schedule for copying and storing important data, info, apps, and programs
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Backup plan
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The process of writing on an optical disc
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Burning
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The number of bytes a storage medium can hold
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Capacity
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The process of dividing the disk into track and sectors so that the operating system can store and locate data and info
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Formatting
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1 billion characters
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Gigabytes
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1 million characters
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Megabyte
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1 thousand characters
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Kilobyte
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A small sheet of film, usually about 4X6 inches, used to store microscopic images of documents
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Microfiche
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Rapid application development, a method of developing software in which the software developer writes and implements a program in segments
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RAID
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Built-in levels of duplicate components used in enterprise hardware that ensures that if one component fails, another can assume its taks
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Redundancy
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An alternative to a magnetic stripe card, stores data on an integrated circuit embedded in the car
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Smart card
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RAID storage technique that splits data, instructions, and info across multiple disks in the array
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Striping
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A magnetically coated ribbon of plastic that is capable of storing large amounts of data and info at a low cost
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Tape
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Narrow recording band that forms a full circle on the surface of the disk
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Track
