click below
click below
Normal Size Small Size show me how
DSST Computers #6
Question | Answer |
---|---|
External Hard Disk | Separate freestanding hard disk that connects with a cable to a USB port or FireWire port on the system unit. |
Hard Disk | Type of storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information. |
HD VMD | Versatile Multilayer Disc; high-density format that potentially will contain up to 20 layers, each with a capacity of 5 GB. |
Light Scribe Technology | Technology used by some optical drives that can etch labels directly on a specially coated optical disc, as opposed to placing an adhesive label on the disc. |
Longitudinal Recording | Storage technique in which magnetic particles are aligned horizontally around the surface of the disk. |
Magnetic Stripe Card | Credit card, entertainment card, bank card, or other similar card, with a stripe that contains information identifying you and the card. |
Memory Card | Removable flash memory device, usually no bigger than 1.5" in height or width, that you insert and remove from a slot in a personal computer, game console, mobile device, or card reader/writer. |
Memory Stick Micro (M2) | Memory card capable of storing between 1 and 16 GB of data. |
Microfiche | A small sheet of film, usually about 4 inches by 6 inches in size, on which microscopic images of documents are stored. |
Microfilm | A roll of film, usually 100 to 215 feet long, on which microscopic images of documents are stored. |
micro SD | Type of miniature mobile storage medium that is a flash memory card capable of storing between 1 and 2 GB of data. |
micro SDHC | Memory card capable of storing between 4 and 16 GB of data. |
Network | attached storage Server connected to a network with the sole purpose of providing storage. |
Perpendicular recording | Storage technique in which magnetic particles are aligned vertically, or perpendicular to the disk's surface, making much greater storage capacities possible. |
Picture CD | CD that stores digital versions of film using a jpg file format. |
Pocket Hard Drive | Term that refers to smaller external hard disks because they enable users easily to transport photos and other files from one computer to another. |
RAID | Redundant array of independent disks; group of two or more integrated hard disks. |
Reading | Process of transferring data, instructions, and information from a storage medium into memory. |
Removable Hard Disk | Hard disk that can be inserted and removed from either a dock or drive. |
Secondary Storage | The physical material on which a computer keeps data, instructions, and information. |
Secure Digital (SD) | Memory card that is capable of storing between 512 MB and 8 GB of data. |
Secure Digital High Capacity (SDHC) | Memory card capable of storing between 4 and 32 GB of data. |
Smart Card | Card, similar in size to a credit card or ATM card, that stores data on a thin microprocessor embedded in the card. |
Solid State Drive (SSD) | Storage device that typically uses flash memory to store data, instructions, and information. |
Solid State Media | Term used to refer to components that consist entirely of electronic components, such as integrated circuits, and contain no moving parts. |
Storage Device | Hardware used to record (write and/or read) items to and from storage media. |
Storage Medium | The physical material on which a computer keeps data, instructions, and information. |
Tape | Magnetically coated ribbon of plastic capable of storing large amounts of data and information at a low cost. |
Tape Drive | Device used to read and write data and information on tape. |
UMD Universal Media Disc | Mini-DVD used specifically with the PlayStation Portable handheld game console. |
Writing | Process of transferring data, instructions, and information from memory to a storage medium. |
xD Picture Card | Type of miniature mobile storage media that is a flash memory card capable of storing between 256 MB and 2 GB of data. |
Access time | Measurement of the amount of time it takes the process to read data, instructions, and information from memory. |
Archive CD | CD that stores photos from an online photo center in jpg file format, usually at a maximum resolution of 7200 pixels per photo. |
Back-up | Duplicate of a file, program, or disk placed on a separate storage medium that can be used if the original is lost, damaged, or destroyed. |
BD-RE | High-capacity rewritable DVD format |
Blue-ray Disc-ROM (BD-ROM) | Newer, expensive type of DVD with storage capacities of 100 GB, with expectations of exceeding 200 GB in the future. |
Burning | Process of writing on an optical disc. |
Capacity | Number of bytes a storage medium can hold. |
Card reader-writer | Device that reads and writes data, instructions, and information stored on PC Cards or flash memory cards and transmits that data to a computer or printer through a connection to a port. |
CD-R | Multisession optical disc on which users can write, but not erase, their own items such as text, graphics, and audio. See also compact disc-recordable. |
CD-ROM | Type of optical disc that uses laser technology to store data, instructions, and information that users can read but not write on or erase. See also compact disc read-only memory. |
CD-ROM drive | Drive that can read CD-ROM discs and sometimes audio CDs. |
CD-RW | Erasable multisession optical disc on which users can write data, instructions, and information multiple times. See also compact disc-rewriteable. |
CD-RW drive | Drive that can read audio CDs, standard CD-ROMs, CD-Rs, CD-RWs, and can write on, or record, CD-RWs. |
Cloud Storage | Internet service that provides storage to computer users. |
Compact Flash (CF) | Type of miniature mobile storage medium that is a flash memory card capable of storing between 512 MB and 100 GB of data. |
Disk Controller | Special-purpose chip and electronic circuits that control the transfer of data, instructions, and information between a disk and the system bus and other components in a computer. |
DVD+RAM | Type of optical disc that can be erased and written on, or recorded on, more than 100,000 times. DVD+RAM discs can be read by DVD+RAM drives and some DVD-ROM drives and players. |
DVD+RW | Rewriteable DVD format. |
DVD –ROM | High-capacity optical disc on which users can read, but not write or erase. See also digital versatile disc-read-only memory and digital video disc-read-only memory. |
DVD-ROM Drive | Device that can read a DVD-ROM. Most DVD-ROM drives also can read audio CDs, CD-ROMs, CD-Rs, and CD-RWs. |
DVD-RW | Rewriteable DVD format. |
Express Card Module | Removable flash memory device that adds memory, communications, multimedia, and security capabilities to mobile computers. |