Magnetic Tape Storage (Computer)doi:10.1002/0471743984.vse4753magnetic tape storage (computeroffline archival storageThis article has no abstract. Keywords: magnetic tape storage (computer); offline archival storageThomas J. HarrisonIBM Corporation, Boca Raton, FLJohn Wiley & Sons, Inc....
Magnetic Tape Magnetic tape is serial access storage medium and it can store a large volume of data at low costs. The conventional magnetic tape is in reels of up to 3600 feet made of Mylar plastic tape. Optical Drives Optical drives are a storage medium from which data is read and to w...
magnetic disk 磁盘 magnetic drum 磁鼓 magnetic ink character recognition (MICR) 磁性墨水字符识别 magnetic resonance imaging (MRI) 磁共振成像 magnetic tape 磁带 magneto-optical disk (MO disc) 磁光盘 MAHO (mobile-assisted handoff) 移动辅助切换 mail bomb 邮件炸弹 mailbox 邮箱 mailing list 邮件列表,邮...
In its broadest sense, data storage media can refer to a wide range of devices that provide varying levels of capacity and speed. For example, it might include cache memory, dynamic RAM (DRAM) or main memory; magnetic tape and magnetic disk; optical discs such as CDs, DVDs and Blu-rays;...
IV.H. Mass Storage Mass storage devices refer to large-capacity auxiliary storage in an IT-system environment. The components may be high-end storage devices like small computer systems interface (SCSI, pronounced “skuzzy”) hard disks, tape drives, tape autoloaders, compact disk (CD), digital...
DECtapewas a magnetic data storage introduced in 1963 used mainly with Digital Equipment Corporation computers. It was designed to be durable and reliable enough to act as a computer’s operating system main storage medium. The tape was 0.75 in (19 mm) wide and was accommodating 6 data tracks...
The computer storage devices market consists of sales of hardware devices such as computer disk drives, USB flash drives, and tape storage and backup units that are capable of holding information and data either temporarily or permanently. Values in this market are factory gate values, that is th...
Computer - Memory, Storage, Processing: The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic waves, and cathode-ray tubes, which stored data as charges on the tubes’ screens. The
The computer system (10) has a main memory (12), a main memory control (14), a CPU (18) and a channel processor (20). The CPU is coupled to a port of the main control unit, as is the channel processor
The storage device comprises a differential gear having a planet wheel biased to a central position and adapted to operate a cam for opening contacts 55. The planet wheel co-operates with a pinion stepped by a double pawl actuated by solenoid 67. Another pinion is actuated by solenoid 82, ...