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Topic: Access time


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In the News (Fri 9 Jan 09)

  
  Access Time
Access time is the metric that represents the composite of all the other specifications reflecting random performance positioning in the hard disk.
Since command overhead and settle time are both relatively small and relatively similar between drives, that leaves the sum of seek time and latency as the defining characteristic between drives.
Seek time and latency are a result of very different drive performance factors--seek time being primarily a matter of the actuator and latency the spindle motor--resulting in the possibility of some drives being better in one area and worse in another.
www.storagereview.com /guide2000/ref/hdd/perf/perf/spec/posAccess.html   (735 words)

  
 Encyclopedia: Time division multiple access   (Site not responding. Last check: )
In the GSM system, the synchronisation of the mobile phones is achieved by sending timing offset commands from the base station which instructs the mobile phone to transmit earlier or later.
Code division multiple access (CDMA) is a method of multiple access that does not divide up the channel by time (as in TDMA), or frequency (as in FDMA), but instead encodes data with a certain code (PN Sequences) associated with a channel and uses the constructive interference properties of the...
The only country to continue pursuing TD-SCDMA (time division synchronous CDMA) is mainland China, because the government does not want to pay patent royalties to Qualcomm of the USA or licensing fees to the mainly European UMTS consortium.
www.nationmaster.com /encyclopedia/Time-division-multiple-access   (1799 words)

  
 Beyond Access Time
Access time is the measurement of time it takes for the requested data to reach the computer.
Average seek time - the time it takes for the head to be positioned over the data - is usually calculated by taking an average of worst-case and best-case scenarios or the time it takes for the head to move one-third the radius of the disk.
As with seek time, rotational latency is usually given as an average of worst-case and best-case scenarios and is equal to the time it takes for the disk to spin half a rotation.
www.infotivity.com /mark_n.htm   (1138 words)

  
 access time - a Whatis.com definition   (Site not responding. Last check: )
Access time consists of latency (the overhead of getting to the right place on the device and preparing to access it) and transfer time.
Access time to RAM is usually measured in nanoseconds.
Access time to a hard disk or CD-ROM is usually measured in milliseconds.
searchstorage.techtarget.com /sDefinition/0,,sid5_gci211512,00.html   (159 words)

  
 6.11 time -- Time access and conversions   (Site not responding. Last check: )
DST is Daylight Saving Time, an adjustment of the timezone by (usually) one hour during part of the year.
The precision, and in fact the very definition of the meaning of ``processor time'', depends on that of the C function of the same name, but in any case, this is the function to use for benchmarking Python or timing algorithms.
Also, the suspension time may be longer than requested by an arbitrary amount because of the scheduling of other activity in the system.
www.python.org /doc/current/lib/module-time.html   (1851 words)

  
 What is access time? - a definition from Whatis.com
Access time consists of latency (the overhead of getting to the right place on the device and preparing to access it) and transfer time.
Access time to RAM is usually measured in nanoseconds.
Access time to a hard disk or CD-ROM is usually measured in milliseconds.
whatis.techtarget.com /gDefinition/0,294236,sid5_gci211512,00.html   (292 words)

  
 access time   (Site not responding. Last check: )
The period of time that elapses between a request for information from disk or memory and the arrival of that information at the requesting device.
Memory-access time refers to the time it takes to transfer a character between memory and the processor.
RAM may have an access time of 80 nanoseconds or less, while hard-disk access time could be 10 milliseconds or less.
www.coffeycountyks.org /Terms/2461HTML-19.html   (80 words)

  
 What is access time? - A Word Definition From the Webopedia Computer Dictionary
Access time is also frequently used to describe the speed of disk drives.
Disk access times are measured in milliseconds (thousandths of a second), often abbreviated as ms.
The access time for disk drives includes the time it actually takes for the read/write head to locate a sector on the disk (called the seek time).
www.webopedia.com /TERM/A/access_time.html   (299 words)

  
 Glossary: Access Time | Sweetwater.com
This is the time it takes from when a disk (or disc) command is sent, until the disk (or disc) reaches the data sector requested.
Access time is a combination of latency (WFTD 7/2/97), seek time, and the time it takes for the command to be issued.
Access time is important in data intensive situations like hard disk recording, multimedia playback, and digital video applications.
www.sweetwater.com /expert-center/glossary/t--AccessTime   (156 words)

  
 Access time -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: )
Access time -- Facts, Info, and Encyclopedia article
In ((often plural) systems used in transmitting messages over a distance electronically) telecommunication, the term access time has the following meanings:
The time interval between the instant at which (Click link for more info and facts about storage of data) storage of data is requested and the instant at which storage is started.
www.absoluteastronomy.com /encyclopedia/a/ac/access_time.htm   (104 words)

  
 access time   (Site not responding. Last check: )
Interval of time between the request for information from a storage address and the actual delivery of that information.
In general, a sequential access device such as magnetic tape has a longer access time than a random or direct access disk.
On a random access device like a disk, access time is measured in milliseconds or fractions of milliseconds; on a serial access device like tape drive it is measured in seconds.
www.iotechnologies.net /Demo/zn.html   (98 words)

  
 Access Time
The time it takes the computer to read data from a storage device such as computer memory, hard disk drive, CD-ROM, etc...
Access time is generally measured in ns, or nanoseconds.
The faster the access time the more quickly data will be able to be retrieved or read from that storage medium.
www.computerhope.com /jargon/a/accessti.htm   (62 words)

  
 Access Time Clock - Online Tips Access Time Clock   (Site not responding. Last check: )
access to the real time clock access to a real random number facility non-determinate instructions The IBM 370 had five carefully documented user-mode instructions whose effects were not entirely...
Please note that the main memory timing specification is the clock cycle time in the PC133 case and the access time from clock edge in the PC100 case.
The access time from clock to valid data is 6ns.
www.hrtimeclock.com /accesstimeclock   (1858 words)

  
 Access Control Time   (Site not responding. Last check: )
Access Control, Time and Attendance and Integrated Security System Videx integrated data warehouse and control system for access control, digital video surveilance, vehicle control and sophisticated perimiter detection and uilding alarms...
Access control is analogous to locking the gate at closing time, or only letting...
Access Control Time And Attendance by QTAR is designed to deal with the time and attendance requirements of...
www.accesscontrol-net.info /access-control/access-control-time.html   (708 words)

  
 Count the Internet Access time (All) - PC Tools Community Forum
Contact your ISP for that, they may have a log of the time you were connected, I know they do for those subscribers who use the 25-hour program.
There is software that will track your time on the net but it won't go back to before it was installed/running.
I would to know if there is software can manage four computers (small LAN), that give me ability to know the elapsed time for each computers also give me ability to disconnect the net connection for a certain computer.
www.pctools.com /forum/showthread.php?t=27558   (338 words)

  
 Access Time Software
The ramdisk is many times faster than a regular hard disk and will speed up any application that reads/writes a lot of files.
Set daily time limits on the Internet, when the time expires, children can earn more time by answering a UK national curriculum based questionnaire.
Time Sync Pro is an application that connects to one of the many atomic clock web servers, downloads the time to your PC and adjusts it.
www.cutedownloads.com /two/access-time.htm   (624 words)

  
 Access and Time :: Home
In our traditional time recorders section, the Coper S-300B is a six column fully automatic machine with colour change to highlight lateness, and an option to ring bells for breaks
Time and attendance, flexitime, job costing and access control as separate modules or integrated.
Access and Time Control Ltd will supply you with the time recording system tailored to your requirements.
www.accessandtime.com   (183 words)

  
 NetLingo.com Dictionary of Internet Terms: Online Dictionary   (Site not responding. Last check: )
Actually, it is the interval between the moment a computer calls for data from a storage medium (such as your hard drive, a CD-ROM, or the Internet) and the moment the data is delivered.
On the Web, this time frame can be a matter of seconds or of minutes, depending on the speed of your connection.
Your ISP may automatically "cut your time off" if you allow your browser to stay idle for too long.
www.netlingo.com /right.cfm?term=access+time   (105 words)

  
 Limit access time for users of your computer with Access Boss
Access Boss™ is a great user access time management utility that allows any system administrator restrict the time when the specified group of users is allowed to log on a local or network computer.
The other benefit of having this access management utility is the guaranty that no auxiliary staff (cleaners or security guards) can access computers and play card games, listen to music or browse through data.
That means your can get familiar with the software and learn how to set user access time restrictions and limits, as well as test the program to make sure it functions properly on every workstation.
www.fspro.net /lat   (503 words)

  
 TIME Magazine - News Magazine - Current Events
A TIME investigation looks at how companies are leaving millions of Americans at risk of an impoverished retirement and how Congress let it happen
A TIME investigation shows the lobbyist now at the center of a federal probe had a good friend eager to open doors at the White House: former Christian Coalition chief Ralph Reed
This time it could be the White Sox, led by a loopy manager who showed a team of castoffs how to win
www.time.com /time   (823 words)

  
 IEC: Time Division Multiple Access (TDMA)
Time division multiple access (TDMA) is digital transmission technology that allows a number of users to access a single radio-frequency (RF) channel without interference by allocating unique time slots to each user within each channel.
The wireless industry began to explore converting the existing analog network to digital as a means of improving capacity back in the late 1980s.
With the growing technology competition applied by Qualcomm in favor of code division multiple access (CDMA) and the realities of the European global system for mobile communications (GSM) standard, the CTIA decided to let carriers make their own technology selection.
www.iec.org /online/tutorials/tdma   (433 words)

  
 Access Time   (Site not responding. Last check: )
These are measured by seek time and average latency respectively.
It is also possible to combine these two figures into a composite number; this is called access time and is measured in milliseconds.
This metric is not used nearly as frequently as seek time for hard disks.
fortunecity.com /skyscraper/windows/709/ref/hdd/perf/intAccess-c.html   (106 words)

  
 Time and Access Systems - Leaders in time and attendance solutions
Brisbane based technology solution provider, Time and Access Systems (www.timeandaccess.com.au) today announced that they have been awarded major distributor status by Time America Inc. (www.timeamerica.com), to sell and service their leading time and attendance software and hardware systems.
Queensland's RSPCA rolled out a comprehensive TimeĀ and Access system in January 2004 to manage the time and attendance data collection for its 160 staff, and automate payroll.
Sheraton Brisbane, one of the largest city hotel and event facilities is proactively controlling its labor costs while improving customer service with a Time and Access installed labour management system, GenesisPro.
www.timeandaccess.com.au   (547 words)

  
 AT&T tests access time limits | CNET News.com
In the latest instance of Internet service providers placing limits on so-called unlimited access, AT&T WorldNet acknowledged that it has been cutting off users after three hours during peak times.
Keady said WorldNet ran the disconnect tests after noticing that its success rates for users connecting to the service the first time they dialed it were dropping despite WorldNet's efforts to strengthen its network.
WorldNet, which provides Internet access for $19.95 per month, is not alone among unlimited-service providers curtailing usage in some way.
news.com.com /2100-1033-208915.html?legacy=cnet&st.ne.fd.mdh   (950 words)

  
 Access Time   (Site not responding. Last check: )
A standard measure which indicates the level of performance of the Hard Disk.
The measure is the actual time that it takes for a piece of Data to be located on the Hard Disk.
The access time measurement can also be applied to memory as well ie who long it takes to locate data in the PC's memory.
www.users.bigpond.com /jenkos/GACCESST.htm   (58 words)

  
 access time - OneLook Dictionary Search
Access time : PhotoNotes Dictionary of Film and Digital Photography [home, info]
Example: "Access time is the sum of seek time and rotational latency and command processing overhead"
Phrases that include access time: average access time, memory access and access time
www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=access+time   (255 words)

  
 Best free access time downloads. Setup an Internet kiosk or a public access PC and disable access to vital files. Setup ...
Access time software: Restrict access to a PC based on time factor, Mom Says No - MSN control for parents, Schedule access to Internet or to another PC!
Child Timer is a software tool that allows parents to control the amount of time their children spend on the computer.
All users can simultaneously access the common database through Local Network (LAN) and Low Speed Net to see, add, edit and delete their team or personal tasks.
www.freedownloadmanager.org /downloads/access_time_software   (643 words)

  
 dBforums - Access - Time& Date Functions
date in one field and the time in another.
server time was 00:15:00, or began with a zero, the
> date in one field and the time in another.
www.dbforums.com /t670602.html   (457 words)

  
 access time - Backup Terms Explained
The access time is the interval between the time of issuing of an access command for a drive and the instant at which the target data may be read or written.
As a Certified Partner, Uniblue has the proven ability to serve customers at the highest level within a culture of credibility and reliability, whilst at the same time demonstrating technical expertise, strategic thinking and leading-edge technology.
If however you are not satisfied for any reason, just contact us within 30 days of purchase and we will refund to you the full value of the purchase.
www.liutilities.com /products/winbackup/backupterms/accesstime   (966 words)

  
 Citations: Page Placement for Nonuniform Memory Access Time - Jr (ResearchIndex)
A conventional way for multiple users to share the resources of a GP 1000 machine is to assign each user a dedicated subset of the processor nodes (called a cluster) DUnX expands upon this by providing users with the ability to specify and dynamically change the memory management policies used....
....the locality issue by migrating or replicating a page of virtual storage to a node that appears to be accessing it frequently.
These include the effectiveness of dynamic single copy page placement, the effectiveness of dynamic multiple copy page placement, the cost of using replication coherency fault pairs instead of page migrations, and the cost....
citeseer.ist.psu.edu /context/694491/0   (866 words)

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