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When files are deleted, they become invisible to the user. However, the space occupied by a file is not freed. Because of this, it is possible to "roll back" the tape to an earlier state, in order to recover erroneously deleted (or incorrectly updated) files. [7] To free up space a tape needs to be re-formatted.
The KIM-1 single-board computer specified a file format for magnetic tape and a format for paper tape. The paper tape format was adapted slightly and has been used to interchange files for computers based on the MOS Technology 6502 microprocessor. [1] The open-source Srecord package simplified this tape format by eliminating the <NUL> and XOFF ...
Interleaf PrinterLeaf / WorldView document format (now Broadvision QuickSilver) 6E 2B 31 00: n+1: 344 nii Single file NIfTI format, used extensively in biomedical imaging. 6E 69 31 00: ni1: 344 hdr Header file of a .hdr/.img pair in NIfTI format, used extensively in biomedical imaging. 52 41 46 36 34: RAF64: 0 Report Builder file from Digital ...
Ends per inch is very commonly used by weavers who must use the number of ends per inch in order to pick the right reed to weave with. The number of ends per inch varies on the pattern to be woven and the thickness of the thread. The number of times the thread can be wrapped around a ruler in adjacent turns over an inch is called the wraps per ...
The vertical warp yarns are held stationary in tension on a loom (frame) while the horizontal weft (also called the woof) is drawn through (inserted over and under) the warp thread. [1] In the terminology of weaving, each warp thread is called a warp end ; a pick is a single weft thread that crosses the warp thread (synonymous terms are fill ...
VXA is a tape backup format originally created by Ecrix and now owned by Tandberg Data. After the merger between Ecrix and Exabyte on 17 November 2001, VXA was produced by Exabyte Corporation . On November 20, 2006, Exabyte was purchased by Tandberg Data that has since stopped further development of the format.
Record-oriented filesystems can be supported on media other than direct access devices. A deck of punched cards can be considered a record-oriented file. A magnetic tape is an example of a medium that can support records of uniform length or variable length. In a record file system, a programmer designs the records that may be used in a file.
Instead of directly transmitting to the line, the keypresses of the operator punched holes in the tape. Each row of holes across the tape had five possible positions to punch, corresponding to the five bits of the Murray code. The tape was then run through a tape reader which generated the code and sent it down the telegraph line.