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The first HDD had an average seek time of about 600 ms. and by the middle 1970s, HDDs were available with seek times of about 25 ms. Some early PC drives used a stepper motor to move the heads, and as a result had seek times as slow as 80–120 ms, but this was quickly improved by voice coil type actuation in the 1980s, reducing seek times to around 20 ms.
The X-Files season 7. List of episodes. " Rush " is the fifth episode of the seventh season of the science fiction television series The X-Files, and the 144th episode overall. It first aired on the Fox network in the United States on December 5, 1999. It was written by David Amann and directed by Robert Lieberman.
Warp drive, or a drive enabling space warp, is one of several ways of travelling through space found in science fiction.[3] It has been often discussed as being conceptually similar to hyperspace. [3][4]: 238–239 A warp drive is a device that distorts the shape of the space-time continuum. [5]: 142 A spacecraft equipped with a warp drive may ...
The system time clock (STC) decoder, when properly implemented, provides a highly accurate time base that is used to synchronize audio and video elementary streams. Timing in MPEG-2 references this clock. For example, the presentation time stamp (PTS) is intended to be relative to the PCR. The first 33 bits are based on a 90 kHz clock.
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SX files are typically used first as they are shorter in overall length 19mm and so are good in cases of restrictive space. The canal is prepped in the coronal 2/3 with these files as part of the crown-down technique. After this, files named F1, F2, F3 etc. are used with increasing D0 values. These are used to shape the canal.
Bit rate. In telecommunications and computing, bit rate ( bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time. [1] The bit rate is expressed in the unit bit per second (symbol: bit/s ), often in conjunction with an SI prefix such as kilo (1 kbit/s = 1,000 bit/s), mega (1 Mbit/s = 1,000 kbit/s), giga ...
WORM drives preceded the invention of the CD-R, DVD-R and BD-R.An example was the IBM 3363. These drives typically used either a 5.1 in (13 cm) or a 12 in (30 cm) disc in a cartridge, with an ablative optical layer that could be written to only once, and were often used in places like libraries that needed to store large amounts of data.