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CIS Chapter 7
| Question | Answer |
|---|---|
| Holds data on a hard disk for future use: | storage |
| The physical material on which a computer keeps data: | storage medium, secondary storage |
| Examples of storage media: | hard disk, solid state drives, memory cards, USB flash drives, optical discs, smart cards, magnetic stripe card, microfilm. |
| The number of bytes (characters) a storage medium can hold: | capacity |
| The computer hardware that records and retrieves items to and from storage media: | storage device |
| The process of transferring data from memory to a storage medium: | writing (storing) |
| The process of transferring items from a storage medium into memory: | reading (opening) |
| Measures the amount of time it takes a storage device to locate an item on a storage medium or the time required to deliver an item from memory to the processor: | access time |
| The speed with which data transfers to and from a device: | transfer rate |
| A storage device that contains one or more inflexible, circular platters that use magnetic particles to store data: | hard disk drive |
| A hard disk that is mounted inside the system unit: | fixed disk |
| Storage medium that can be removed from one computer and carried to another computer: | portable hard disk |
| Characteristics of a hard disk: | capacity, platters, read/write heads, cylinders, sectors and tracks, revolutions per minute, transfer rate, access time. |
| Made of aluminum, glass or ceramic and is coated with an alloy material that allows items to be recorded magnetically on its surface: | platter |
| The process of dividing the disk into tracks and sectors: | formatting |
| A narrow recording band that forms a full circle on the surface of the disk: | track |
| Pie shaped sections that break the tracks into small arcs: | sectors |
| The smallest unit of disk space that stores data and information: | cluster, allocation unit |
| The mechanism that reads items and writes items in the drive as it barely touches the disk recording surface: | read/write head |
| The verticle section of a track that passes through all platters: | cylinder |
| The spinning rate of 5,400 to 15,000 that allows instant access to all tracks and sectors on the platters: | revolutions per minute (rpm) |
| Occurs when a read/write head touches the surface of a platter resulting in a loss of data or loss of entire disk: | head crash |
| A duplicate of a file placed on a separate storage medium: | backup |
| A memory chip on a hard disk that stores frequently accessed items: | disk cache, buffer |
| The number of bits in an area on a storage medium: | density |
| A group of two or more integrated hard disks used for servers: | RAID, redundant array of independent disks |
| A separate freestanding hard disk that connects with a cable to a USB port on the system unit or commumicates wirelessly: | external hard disk |
| A hard disk that you insert and remove from a drive: | removable hard disk |
| External hard disks that are smaller in size and capacity which also contain miniature hard disks: | pocket hard disk |
| A special purpose chip and electronic circuits that control the transfer of data for a disk to and from the system bus: | disk controller |
| Nonvolatile memory that can be erased electonically and rewritten: | flash memory |
| Type of flash memory chip that consist entirely of electronic components and contain no moving parts: | solid state media |
| Storage device that typically uses flash memory to store data, instructions and information: | solid state drive (SSD) |
| Advantages of solid state drives: | 1.faster access time 2.faster transfer rate 3.generates less heat 4.last longer |
| Disadvantages of solid state drives: | 1.higher failure rate 2.cost more |
| A small removable flash memory device that you insert and remove from a slot in a computer, mobile device, or card reader/writer: | memory card |
| A flash memory storage device that plugs in a USB port on a computer or mobile device: | USB flash, thumb drive |
| An internet service that provides storage to computer users: | cloud storage (magnetic hard drives) |
| A type of storage media that consists of a flat, round, portable disc made of metal, plastic and lacquar that is written and read by a laser: | optical disc |
| Protective case for optocal disc: | jewel box |
| Etches labels directly on the disc as opposed to placing an adhesive label on the disc: | LightScribe technology |
| Reasons users subscribe to cloud storage: | To access files from any computer, To store large files, To allow others to access files, To store offsites backup. |
| A type of optical disc that users can read but not write or erase, holds from 650MB-1GB of data: | CD-ROM, compact disc read-only |
| Denotes the original transfer rate of 150 KBps: | X |
| A multisession optical disc on which users can write, but not erase: | CD-R, compact disc recorder |
| An erasable multisession disc you can write on multiple times: | CD-RW, compact disc rewritable |
| The process of writing on an optical disc: | burning |
| The process of copying audio and video data from a purchased disc and saving it: | ripping |
| A magnetically coated ribbon of plastic capable of storing large amounts of data and information at a low cost: | Tape |
| Reads and writes data on a tape: | tape drive |
| A card witha stripe that contains information identifying you and the card: | magnetic stripe card |
| A smaller card that stores data on a thin microprocessor embedded in the card: | smart card |
| 100-215 foot roll of film: | microfilm |
| A small sheet of film: | micofiche |
| A high capacity optical disc on which users can read but not write or erase: | DVD-ROM |
| Capable of storing 4.7GB-17GB: | DVD |
| A newer more expensive DVD format that has higher capacity and better quality and has storage capacity of 100 GB: | Blu-ray |
Created by:
agmcneely